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  1. 50th Anniversary: The Program of Scientific and Technological ...

    ... the new techniques in biomedical and crop research. ... nitrogen fixing bacteria, and high yields – above 160 tons per hectare – without nitrogen ...

    https://blog.usaid.gov/2011/01/50th-anniversary-the-program-of-scientific-and-technological-cooperation/

Showing results 31 - 31 for crop yields hectare 4.0
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Last updated: June 23, 2017