The quantity of crop nutrients transferred from the system, and the nutrient budget of N, P and K in soil were studied.

研究了在养分循环再利用的基础上采取不同施肥制度下作物养分移出量，并结合施肥量计算出土壤中N、P、K养分收支。

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The actual U.N. budget is a slippery number.

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The "agreement in principle, " as Senate Budget Committee Chairman Kent Conrad, D-N.

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In response, Senate Budget Committee Chairman Kent Conrad, D-N.

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