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Identification of weed classification is vital in developing weed control programs. Weed dynamics may vary on various environmental conditions hence knowing which weed species are abundant and dominant in the area is important before proceeding with weed control measures especially with chemical control using herbicides. There are active ingredients effective on specific weed types while there are also those which are considered as general weed killers. Effective control using these herbicides will make more sense if you are knowledgeable on weed present in the area and consideration of their growth habits.

To permanently eliminate weeds from your crops, consider implementing effective weed management practices, such as mulching, regular cultivation, and targeted herbicide application. Consistent and strategic implementation of these methods will help maintain a weed-free environment for your crops.

Identifying weed is very important and critical, then only you can plan the right solution or program to manage the weeds well. Understanding the Weed type and stage of weed is key to ideal weed management

Existem diversos tipos de herbicidas, porém, os mais utilizados atualmente são à base de glifosato, que é um herbicida sistêmico não-seletivo que elimina qualquer tipo de erva daninha, sem distinção. A agricultura brasileira enfrenta um desafio crescente e complexo: o surgimento de plantas daninhas resistentes e tolerantes a herbicidas. Este fenômeno não é apenas resultado da falta de rotação de culturas e da repetição de mecanismos de ação de herbicidas, mas também representa um obstáculo significativo para a produtividade e a sustentabilidade agrícola. A resistência e a tolerância dessas plantas daninhas têm implicações profundas, desde o aumento dos custos de produção até o impacto ambiental.

One of the environmentally safe practices to eliminate weeds is the adoption of mulching based on farmers' available resources. This further helps in soil and water conservation and optimum crop performance.

"Struggling with persistent weeds in your crops? Consider embracing regenerative agriculture practices! By fostering healthy soil ecosystems, promoting crop rotation, and utilizing natural weed suppression methods like cover crops or mulching, you can manage weeds sustainably, fostering a thriving farm ecosystem while reducing reliance on harmful chemicals. Let's cultivate a future where our crops flourish without compromising the environment!"

Fundamentally, a weed is any plant out of place and time which competes against the main crop for nutrition in a given farm area. Some of the important agronomic factors to consider while managing weeds on open farm areas would include: a) use of good quality authentic seeds free from any kind of infestation; b) sowing of seed as per prescribed field preparation, seed rate, spacing, soil pH, moisture and temperature conditions along with seed treatment c) classification of weeds based on type (like broad leaf vs narrow leaf); life cycle (annual, biennial or perennial); dryland or wetland; weeds associated with specific crops; indigenous or exotic etc. d) accordingly control methods can be established like biochemical, crop rotation included

Identify your weeds 🌿 The first step to effective weed management is to know what weeds you are dealing with. Different weeds have different characteristics, such as life cycle, growth habit, reproduction, and resistance. You can use online tools, books, or experts to help you identify your weeds and learn about their biology and behavior. This will help you choose the best timing, tools, and tactics to control them.

Weeds can be very annoying and frustrating to farmers because they compete water, light , air with your plants thus affecting the yield. Identify the types of weed that invade your farm. Annual weed Biennial weed Broadleaf weed etc. As long as it's not what you planted , it is a weed. When you identify the type of weed , it will help you know the type of control method to use to destroy them. After identifying the weed, I will recommend systemic herbicide so it can penetrate deep into the root compared to contact herbicide that just dries the visible part but not the root. Also these herbicides have active ingredient in them that is suitable for either annual or perennial or both e.g. Force up which is a non-selective systemic herbicide

The best way to deal with weed challenges requires a shift from assuming that weeds can be completely eradicated as this is not costly but also an ineffective strategy. A weed management approach that is based on a greater understanding of the different weed species in one's area helps in formulating the right strategy in managing the problem. In addition, combining various methods and tactics to not only eliminate existing weeds but to also ensure the weed species do not reproduce and continue to add to the weed seedbank, which is the biggest source of the problem, will likely reduce weed populations to levels that enable enterprise profitability.

In reality, weeds are integral part of crop's ecosystem and preventing them from growing in the field can be done but weeds have the ability to co-exist with crops regardless of management practices we are adopting. Chemically, we can prevent weed invasion at the start of the planting season with the use of pre -emergence herbicides. When correctly applied, it can provide a durable level of control on many weed species. If in any case, weed invasion is high and control is almost difficult, remember to focus on the critical stage of crop-weed competition, where weed-free field should be maintained in the first 1/3 period of the crop life stage to avoid significant yield losses.

Weedicides use is exponentially growing in recent past and ultimatly impacting the entire ecosystem.Mulching, an eco-friendly shield against weeds, offers a sustainable alternative to heavy reliance on agrochemicals. By blanketing the soil, mulches not only suppress unwanted plant growth but also preserve the delicate balance of soil's micro flora and fauna. This method, both effective and gentle on the environment, marks a significant step towards a greener, healthier farming future. Adopting mulching is not just about weed control; it's about nurturing the very foundation of our agriculture.

A melhor maneira de impedir a disseminação de plantas daninhas na área de cultivo é adotar o sistema de manejo correto para cada situação de campo. O uso de herbicidas com diferentes modos de ação aliados aos pré emergentes são práticas adequadas e amparadas por diversos órgãos de pesquisa.

Weeds are common in simplified agroecosystems. When the agroecosystem is more complex it may offer a certain degree of community resistance to alien species or invasive species. Although not all alien species are damaging to agroecosystems, some perceived invasive species could offer ecosystem services that could be of value to agroecosystems. We are losing biodiversity at an alarming rate, invasive weeds may find their last home in the new community. Suppressing them may eliminate these species as a whole. We shall consider, at least from time to time, not to perceive invasive weeds as intruders but to perceive them as collaborators and contributors to agroecosystem stability. It all comes down to perspective.

Avoid overgrazing. Be fussy with the hay you bring on to the property. Politely talk to your neighbours is they have weedy paddocks.

With this approach, you can minimise the population or the new entry of the weed in the field. However at the same time it is not cheaper. Mulches, mats can work in crops like vegetables and other crops in ridges, better to have mulches after pre-em herbicide.

Again, weeds are there because the soil conditions are conducive to that plant. To prevent invasion, increase the calcium-to-magnesium ratio and enhance the planted crop. The best weed control measure we can utilize is to grow a healthy crop.

In Syntropic Farming, preventing weed invasion centers on fostering a balanced ecosystem rather than direct eradication. This approach includes dense planting to reduce open spaces for weeds, utilizing ground cover to suppress weed growth, and encouraging biodiversity which creates a competitive environment less conducive to invasive species. Regular pruning and strategic plant placement are also key, as they modify light and space dynamics, making it less favorable for weed establishment. This methodology emphasizes coexistence and management, leveraging natural processes to maintain ecological harmony.

Preventing weed invasion involves a combination of proactive measures to minimize weed growth. Here are some strategies: 1. **Mulching:** Apply a layer of organic or inorganic mulch around plants to suppress weed growth. Mulch helps in retaining moisture, regulating soil temperature, and preventing weed seeds from germinating. 2. **Proper Plant Spacing:** Ensure proper spacing between plants to minimize open spaces where weeds can thrive. Dense planting can create a canopy that shades out weeds. 3. **Regular Weeding:** Regularly inspect and manually remove weeds before they mature and produce seeds. This is particularly important in the early stages of plant growth.

O manejo de áreas de interesse agrícola, por exemplo, deve ser pautado nas boas práticas de conservação de solo, controle de pragas, doenças e plantas daninhas. Para um sistema de produção eficiente, algumas técnicas estão disponíveis atualmente no campo, auxiliando na análise de ocorrência e distribuição, e a eficácia dos diferentes métodos de controle e/ou prevenção para cada espécie de planta daninha.

It is helpful up to a certain extent, if you see the practical side of it. Bit challenging for farmers to adopt due to weather and water facilities, the main is marketing the final produce. Cultural practices are more beneficial if that is part of an integrated program of weed management

Increasing the seeding rate and narrowing row spacing could increase your crop's competitive ability in inter and intra-row spaces. However, the additive weed control effect from increased seeding rate may greatly depend on weed density and community. When weed pressure is low, a regular recommended rate may be considered. Whereas, when weed pressure is high, a higher seeding rate would be advantageous to improve crop competitive ability.

lo que me ha resultado es que al hacer la preparación del terreno lo tenga listo 2 días antes de la siembra, así le das vuelta al banco de semillas y después un herbicida preemergente y así tu cultivo en las primeras etapas sale sin maleza, ya después y si se puede se cultiva para eliminar maleza que haya salido

In cultural method I hope the use of cover crop can help to suppress weeds development, And it can sounds good if we could develop the cover crop which can be planted during summer period in order to prevent early weeds development soon after a rainfall season , since the early rains stimulates weeds development in the field but, when the field will be covered by cover crop no weeds will early develop in the field

Syntropic Farming enhances crop competitiveness and soil health while managing weeds through a holistic approach. Dense and stratified planting creates a competitive environment for weeds by limiting available space and light. Biodiversity in plant species disrupts weed life cycles, with varied plants occupying different ecological niches. Ground cover and organic mulching suppress weed growth and improve soil structure. Selective pruning alters microclimates, inhibiting weed germination. Leveraging plant relationships, like allelopathy, enhances crop dominance. Additionally, integrating animals contributes to soil health and weed control, establishing a balanced, self-regulating ecosystem.

Some strategies may be appointed such as: Mulching (organic and plastic), crop rotation, and cover crops. It is also important to educate local farmers on sustainable weed management practices, empowering them to implement effective strategies

A prevenção é o melhor caminho, através da utilização de sementes certificadas. O manejo cultural, em sistemas de plantio direto, por exemplo, através do mínimo revolvimento do solo em operações mecanizadas, garante maior eficiência quando comparado às áreas de sistemas de cultivo convencionais, por serem capazes de manter sementes de plantas daninhas em profundidades não compatíveis com a germinação, além da palhada sobre a superfície.

Traditional knowledge it's an option to think and use in your crop. Tradional people as Quilombolas in Brazil, has knowledge that come from their ancestors and was passed truth the years, that example can helps avoid weeds in the plantation and in the same time manage the soil to improve a better environmental since that way of production respects the environmental and the biodiversity that are present in the territory. Another example that come from Brazil is the way of agricutural farmers works in their farmers, once that they have more control with their harvest and can manage the soil and resources with more applicability avoiding exacerbated use of pesticides.

Adjusting crop rotation to break the reproduction cycle of unwanted flora is a proven and cheap universal method of weed control. Cash crops will also have higher yields if well planned.

Des pratiques culturales axées sur l'optimisation des surfaces cultivées à travers notamment une utilisation efficiente des engrais, un morcellement de l'espace de cultures ainsi que des semences de cultures améliorer pourraient effectivement permettre de lutter efficacement contre l'apparition de mauvaises herbes.

I agree that Mechanical weed control is the viable option for weed control in organic/natural farming and widely-spaced horticultural crops. Moreover, interculture and harvest weed seed control practices are very useful to control herbicide resistant weeds. Earlier, one of objectives of tillage is the weed control. In the conservation Agriculture scenario, mechanical manipulation of soil is minimised. Moral of the story is Integrated Weed Management is the key.

Mechanical weeding is the last option nowadays, relatively better economical options are available to do this task efficiently. Weed problems increase without moisture and especially during rainy times, so mechanical will always remain a difficult and costly affair during the critical weed management time.

In line with the general understanding on #regenerativeagriculture, weeds are either part of your system or being replaced by cover crops. Chemical or mechanical weeding is old school thinking. Even slashing and leaving the weeds as mulch is better then removing them forcibly. Naked soils are dead soils.

One way of dealing with weed takeover distress is to do the opposite thing : Smoke the weed. It helps in many ways. Smoking the weed after drying it produces prolonged relaxation and has other dilatory effects on the stressed farmer.

Weed control can command one of the highest expenditures in crop production. Mechanical control maybe useful in background or small scale areas but may not be applicable to large fields due to requirement on time, equipment and manpower. Efficiency can be compromised when dealing with mechanical methods of weed control.

The vast majority of small-seeded weed species germinate from the top 2 cm of the soil. Therefore, it is highly probable that any tillage other than minimum tillage may stimulate more weed emergence. Shallow rotary hoeing, flex tine harrowing and inter-row cultivation when applied early during the critical period of weed control could prevent yield losses caused by weed competition. Combined effects from the use of 2x rotary hoeing and 1x inter-row cultivation resulted in up to 80% reduction in weed biomass and increased yield by up to 50% when applied at optimal timing. For better results consider not only the stage of the crop but stage of the weeds, weed density, community and environmental conditions at and after application.

Many smallscale farmers are neglecting this labor intensive method and opting for chemical control which in my opinion is not sustainable in the long term

El verdadero control mecánico es el realizado como complemento a los anteriores, la esencia está en la eliminación de las plantas con escapes de control o fuera de estadio, siempre antes de formar semillas o estructuras de reproducción. Se debe evitar medidas drásticas como la labranza, grada o arado pues además de comprometer la estructura física y la cobertura del suelo, pueden reactivar el banco de semillas o simplemente favorecer la germinación y emergencia de nuevas malezas que ingresan al local de producción.

Práticas mecânicas podem se mostrar eficientes para determinadas espécies, manejos como roçagem, grades e subsoladores são opções para complementar o manejo de ervas, porém é de suma importância conhecer o modo de propagação dessas plantas daninhas para que essas práticas não acabem por agravar o problema.

In my experience in agriculture sector in Mozambique effective and efficient mechanical control is expensive and, considering the vast majority of active people in this sector which are low income people the best advised approach includes hand weeding. For those commercial smallholder farmers a more modern techniques may be used.

Weed seed predation is a promising novel area of weed science research that integrates predatory insects that feed on weed seeds. Seeds produced by weeds depending on species can stay alive in soil for several decades without losing vigor. Reduction of weed seeds that return to the weed seed bank is an intelligent way that eliminates the cause of weed infestation - weed seeds, managing weed plants is already dealing with - consequences. Once weed seeds germinate and are visible on the soil surface. This could be an indicator that crop yield losses are highly probable in the absence of weed control strategy.

El control biológico es el futuro de la agricultura y también puede traer importantes avances en el manejo de malezas, sin embargo requiere de mucha investigación y desarrollo para que sea viable, especialmente en gran escala. El desarrollo de estrategias de control biológico son alternativas para manejar la complejidad de los sistemas de producción actuales y futuros.

Syntropic Farming employs biological pest control by cultivating a diverse ecosystem where natural predators thrive, effectively managing pest populations. This approach includes fostering habitats for beneficial insects, birds, and other natural pest predators. Plant diversity and strategic planting patterns encourage a balanced ecosystem, reducing pest outbreaks. Additionally, healthy soil and strong plant growth naturally improve plant resistance to pests. This method minimizes the need for chemical interventions, promoting a sustainable, self-regulating agricultural environment.

Agentes de biocontrole ou fitopatógenos, particularmente fungos, podem ser usados como controle biológico no Manejo Integrado de Plantas Daninhas.

To control weeds effectively, consider a combination of methods: 1. Mulching:Cover soil with a layer of mulch to suppress weed growth. 2.Hand pulling: Remove weeds by hand, especially when they're small. 3.Herbicides:Use herbicides selectively and according to instructions for specific weed types. 4.Cultivation: Regularly cultivate the soil to disrupt weed growth. 5. Prevention: Plant densely to minimize open soil and prevent weed establishment. Remember to tailor your approach based on the specific weeds and your garden's needs.

Efectivamente el uso biológico puede ser lento, pero a la larga opino que es la mejor manera de mantener la biodiversidad y cuidar del entorno, eso sí necesita ser controlado para ver la evolución

O controle biológico de plantas daninhas no Brasil está em fase de conhecimento. Entretanto, empresas que detém a tecnologia buscam solução de melhor aplicabilidade agronômica para o controle biológico. No futuro próximo será de grande valia para a agricultura.

Una buena alternativa es el uso de animales de granja como gallinas, patos u otros animales menores. Esto ayuda a mejorar el suelo y evitar la erosión del mismo con otro tipo de acciones. También se debe controlar que el uso de Animales de granja no afecta te el suelo y los cultivos, manejandolos con rotación de suelos.

Sistema antigo mas pouco explorado para pragas e doenças, este sistema no Brasil cresceu muito nos últimos 10 anos, e não para por aí, os avanços de pesquisa e recomendação não param. Produtores ainda sentem dúvidas, o que é natural, pois não se muda modo de trabalho duma hora para outra. Importante é visitar o local, através de visita técnica para vivenciar e definimos qual o melhor manejo a ser usado.

Many weed seeds are turned on in different conditions like high sodium, formaldehyde or low oxygen levels in the soil. When we increase soil health by reducing soil compaction, the desired crop is the most competitive crop in the field.

Chemical pest control should be avoided as it can disrupt the delicate balance of ecosystems. These chemicals often harm beneficial organisms, like pollinators and natural pest predators, leading to a dependency cycle on pesticides. They can contaminate soil, water sources, and the wider environment, posing health risks to wildlife, farm workers, and consumers. Chemicals can also lead to pest resistance over time, making control more challenging. Instead, sustainable practices like biological control maintain ecological harmony and long-term agricultural health.

When applying chemicals to control weeds, it's crucial to follow safety guidelines and use the appropriate herbicides for your specific situation. Here's a general guide on how to apply chemical weed control: **Identify the Weed and Choose the Right Herbicide:** - Identify the type of weed you are targeting, as different herbicides are effective against different types. - Select a herbicide that is suitable for your plants and the specific weeds you want to control.

The key factor to consider when considering chemical weed control is the safety and effectiveness of the chemical herbicides being used. It is important to choose herbicides that are specifically designed for the target weeds and are approved for use in the intended area. Additionally, factors such as environmental impact, potential harm to non-target plants and animals, and proper application techniques should also be taken into account. It is crucial to follow the instructions and guidelines provided by the manufacturer to ensure safe and effective weed control.

Integrated methods is the Key. Use of cover crops, crop rotation, soil management to ensure health and development of the crops, planting the crop at appropriate time, using herbicides with formulations that are more appropriate for environmental conditions, rotate MOAs herbicides, use pre-emergent herbicides, spray herbicides on correct moment respecting the stage of development of weeds, use mixtures of herbicides with synergistic effects, using application technology, knowing the cases of resistance in your local and, most importantly, integrating all these methods described. We have to learn from past mistakes and understand present mistakes so that we don't repeat them in the future and thus preserve the available tools.

Uma boa estratégia de manejo de plantas daninhas principalmente nas grandes culturas, é utilizar diferentes herbicidas com mecanismos de ação variados. Nesse sentido pode se obter bons resultados na dessecação, no manejo pré emergente e pós emergente. Assim obtendo bons resultados de controle, menor matocompetição e consequentemente maiores produtividades produtividades.

O controle químico é uma estratégia eficaz, porém, deve ser considerada de maneira integrada com outras práticas já descritas como: rotação de culturas, utilização de cobertura, manejo do solo, escolha de cultivares, plantio em épocas adequadas, estudo do histórico da área, manejo pré-emergente, rotação de ativos, escolha do produto ideal, época de aplicação, tecnologia de aplicação, entre outras práticas. Vale sempre ressaltar a importância de contar com a orientação de um engenheiro agrônomo. O controle de plantas daninhas é sim um grande desafio, porém, integrando diferentes práticas, é possível proteger o potencial produtivo da cultura, com um manejo sustentável visando altas produtividades.

El control quimico puede ser una herramienta muy util para el control de malezas , tener en cuenta el tipo de maleza que queremos controlar, la edad de la maleza, condiciones de suelo (Humedad), temperatura para evitar la volatilizacion del producto y el uso de adherentes que eviten el lavado del producto por lluvias .

Chemical weed control is good but it also has implications on the soil. Weeds can be controlled after knowing which specie it is and what kind of chemicals can be used for it control. At the early stage of infestation, glyphosate which is a non selective herbicide is utilized for total control, while at the later stage when crops have grown, selective herbicides have to be used in accordance with the specific crop planted in the fields.

one thing I've found helpful about chemical weed control is that you can eradicate weeds in a certain period of time hence enabling your plants to utilize nutrients in the soil well and furthermore utilize moisture without competition with the weeds and enabling crops to grow vigorously and healthy.

Presently, weed resistance to multiple herbicides' modes of action is an exponentially growing global threat. Herbicide rotation only slows down the evolution of herbicide resistance. Target herbicide rates that used to work may no longer be working any more in the future. Research to develop new herbicide modes of action takes time and is costly. It is also probable that it may not even keep up with the rapid evolution of herbicide resistance. Global pesticide use and weed resistance to pesticides look like an arms race which may not slow down unless integrated weed management strategies would be actively integrated into conventional agricultural practices.

Weeds are indicator plants telling you what’s wrong with your soil, as they go about fixing the problems. That’s why often weeds come & go. If you just kill them, you are shooting the messengers but not addressing the underlying problems. For instance dandelions grow in compacted soil with calcium deficiency. If you burn them or spray roundup, you still have compaction and Ca problems. Their tap root penetrates deeply breaking up the compaction and they make calcium bioavailable. If you till them under, you ensure even more weeds as you create perfect perturbed, early successional soil state. The right microbes must be present and active for what you want grow. You need to balance the fungi and bacteria & other orgs with living, high SOM%.

In my opinion, integrated weed management is the most effective of all weed management strategies. This is because first cultural or mechanical control could be labor-intensive and expensive. On the other hand, chemical control such as the use of herbicides could be cheaper and faster, but the excessive application of herbicides could lead to weeds developing herbicide resistance on the field. Therefore, a combination of more than one method is the way to go.

We have alfalfa fields that are always planted with non-GMO varieties. Our experience has been that as we correct ca:mg ratios and bring soil health, weeds that are common problems for most producers disappear.

The use of cover crops can be a valuable tool to manage weeds. Cereal rye planted in the fall either after the cash crop is harvested or earlier in the growing season in northern climates can suppress weeds, out compete them and keep the soil armored, as well as many other benefits. Cover crops coupled with no till or strip till can be even more effective because as noted in other comments nature wants bare soil covered and will use weeds to do that. In addition, tilling buries the seed essentially planting it by providing seed to soil contact and protects those weed seeds from predators that would have consumed them if left on top of the soil. Consider adding cover crops to your tool box to manage weeds.

Beyond integrated weed management is the knowledge of weeds biology and how they multiply. Adequate knowledge about the prevailing weeds will give edge against weeds infestation.

Excessive tilling leads to weeds; they act as natural antiseptics for the soil. Tilling disrupts the soil, and in response, weeds emerge as nature's remedy to heal and restore the soil. Weeds aren't the enemy; they signal issues with our land. Weedicides not only kill weeds but harm soil microbes. As weeds decompose, providing organic matter for soil health, boosting yield and conserving water. Opt for mulch to control weeds effectively and sustain a healthier environment.

An example I've seen on the fields is that integrated weed management is more efficient and is the best way to manage the Impact of weeds in different crops. Today also it's very important to think to our environnement, our health, our animals, our soils,... So we've to respect the good practices when using the herbicides to kill or inhibit weeds... It's time to adopot and develop other types of production : permanent agriculture, organic farming, agroecology, smart climate agriculture,.... Save the soil, save the water, save the environnement to save the earth.

Integrated weed management is the best practice, while maintain the soil health. Observe, identify and apply best practice in response to weed phenological cycle as time matters in case of weed management.

The farming community has depended heavily on synthetic chemical pesticides to control agricultural pests and prevent yield losses over the past 60 years. It is important to emphasize that the synthetic chemical pesticides are and will remain a vital part of crop protection. When used appropriately they can give excellent control with minimal adverse effects. However, their use can be associated with some level of risk to human health, the environment, trade and pest resistance. Consequently, the emergence of biological agricultural products is generating strong interest in their use in integrated pest management practices, in recent years.

In my knowledge weeds can control from below methods- 1. Mulching: Apply organic or inorganic mulch around crops to inhibit weed growth by blocking sunlight and providing a physical barrier. 2. Herbicides: Use herbicides selectively to target and control specific weed species, following recommended application rates and safety guidelines. 3. Cultivation: Regularly cultivate the soil to disrupt weed growth and bury weed seeds, but be mindful not to damage crop roots. 4. Manual Weeding: Hand-pull or use tools to manually remove weeds, especially in areas where precision is crucial to avoid damaging crops. 5. Cover Crops: Plant cover crops that compete with weeds for resources, helping to suppress weed growth.