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Catch crops and green manures as biological tools in nitrogen management in temperate zones
During the last decades a lot of research have been made on the use of cover crops. Cover crops are grown for many purposes, but most of the resent interest have focused on their effects on nitrogen.Expand
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The Marshall Plan
TLDR
This paper discusses the European Marshall Plan in three subsections: the impetus for its creation, its logistical implementation, and the results to both Europe as a whole and theUnited States. Expand
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