Use of Simulations for Evaluation of Best Management Practices on Irrigated Cropping Systems

Author(s):  
Jorge Delgado
1982 ◽  
Vol 14 (2) ◽  
pp. 123-129 ◽  
Author(s):  
Stan R. Spurlock ◽  
Ivery D. Clifton

Achieving water quality goals will necessitate adoption of best management practices (BMP's) by some or all farmers. Water quality is expected to improve as farmers adopt BMP's such as conservation cropping systems, structural measures, and conservation tillage methods. Currently, there is an absence of pollution abatement incentives strong enough to induce farmers to abate sediment, nutrients, and pesticides to desirable social levels. Although a specific socially optimal level of pollutants may be difficult (or impossible) to quantify, the U.S. Congress, by passing the Federal Water Pollution Control Act Amendments of 1972 (P. L. 92-500), has demonstrated the need for improvements in water quality.


Agronomy ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 494
Author(s):  
Jeffrey A. Coulter

Crop production must increase substantially to meet the needs of a rapidly growing human population, but this is constrained by the availability of resources such as nutrients, water, and land. There is also an urgent need to reduce negative environmental impacts from crop production. Collectively, these issues represent one of the greatest challenges of the twenty-first century. Sustainable cropping systems based on ecological principles, appropriate use of inputs, and soil improvement are the core for integrated approaches to solve this grand challenge. This special issue includes several review and original research articles on these topics for an array of cropping systems, which can advise implementation of best management practices and lead to advances in agronomics for sustainable intensification of crop production.


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