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Crop diversity key to sustainable farming

Aug 30, 2024
By Farms.com

USDA finds crop rotation shields against climate

 

The U.S. Department of Agriculture’s Agricultural Research Service has recently emphasized the critical role of diverse crop rotations in bolstering farm resilience against climate unpredictability.

Their research, gathered from decades-long studies across various North American regions, indicates that crop diversity is integral to maintaining soil fertility, controlling pests, and ensuring stable agricultural outputs under diverse environmental stresses.

Diverse crop rotations, a practice rooted in agricultural tradition, have proven to extend benefits beyond basic crop health, affecting overall ecological balance and reducing the need for chemical interventions.

The findings from the USDA study suggest that rotating crops like corn, soybeans, and wheat with other varieties can significantly mitigate the impact of adverse conditions, such as drought and heat stress, on crop yields.

Economic hurdles and the complexity of managing multiple crops have limited widespread adoption of diverse rotations. However, the demonstrated reduction in input costs for fertilizers and pesticides and the potential for more consistent yields make a compelling case for broader implementation.

As the global climate continues to challenge traditional farming methods, the USDA's research provides a blueprint for future farming strategies that align with environmental sustainability and economic viability.

These insights are set to shape future agricultural policies and aid farmers in making informed decisions about crop management, ensuring long-term sustainability and profitability in the face of climatic challenges.


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LALEXPERT: Sclerotinia cycle and prophylactic methods

Video: LALEXPERT: Sclerotinia cycle and prophylactic methods

White rot, also known as sclerotinia, is a common agricultural fungal disease caused by various virulent species of Sclerotinia. It initially affects the root system (mycelium) before spreading to the aerial parts through the dissemination of spores.

Sclerotinia is undoubtedly a disease of major economic importance, and very damaging in the event of a heavy attack.

All these attacks come from the primary inoculum stored in the soil: sclerotia. These forms of resistance can survive in the soil for over 10 years, maintaining constant contamination of susceptible host crops, causing symptoms on the crop and replenishing the soil inoculum with new sclerotia.