Studies on the role of floodwater algae and green manure on the transformations of 15N-urea applied to floodwater under lowland rice conditions
Rice accounts for 21% of the total energy content of the world's food and about 40% of the world's population depend on it. Nitrogen fertilization, mainly as urea, has played a major role in increasing rice production. But the fertilizer use efficiency is low. Therefore, the present invest...
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University of Reading
1991
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Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303790 |