Agribusiness websites are an easily accessed ("Googled") source of information about crop management strategies. But it is not always possible to discover the research evidence behind industry recommendations.
A scientific approach is to be aware of recommendations coming from commercial sources - because the growers will be - but to look for supporting evidence from other independent sources (e.g., extension publications, science journals).
The sources listed below are search tools for trade publications and newspapers containing information, both current and historical, about topics such as cover crops, transition to organic production, and fertility and water quality and management.
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Articles from a wide range of scholarly journals, magazines, newspapers, and trade publications. (Full-Text and Abstracts)
News, business, and legal publications (including U.S. Supreme Court decisions dating back to 1790), company information, and patents. (Full-Text)
The U.S. Department of Agriculture, in cooperation with agencies like the Extension Service, provides recommendations to growers based on replicated field and laboratory research. This research also takes into account producers' current and past crop management strategies. Much of this work is published in scholarly scientific journals, providing documented evidence to the scientific community of the reliability of the research.
Some useful state extension- or federal government research-based publications are provided below. These are only a few examples of a number of sources with which you might possibly work. The other links point to collections of reliable, science-based information, where you can search for more information.
Independent research groups also produce information and publications about crop management and reducing water pollution.