Abstracts on Sustainable Agriculture

Abstracts on Sustainable Agriculture

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979 91 - 10/112 Plant protection Latin America, Peru, lowlands, weed control, weed population, dynamics, weed ... Successful continuous cropping systems, which eliminate the fallow period, will depend on soil fertility management and ... Upland rice, which is particularly vulnerable to weed pressure, appears to be an inappropriate crop if the difference between weed control costs and crop value is anbsp;...

Title:Abstracts on Sustainable Agriculture
Publisher: - 1990


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