释义 |
nitrogen content短语¹³¹⁶²⁰⁺³ 基本例句 含氮量 The effects of cutting rate on the distribution of the carbohydrate reserves and nitrogen content in the different organs of the Russian wildrye grass were studied. 主要研究了刈割强度对新麦草不同部位物质分配的影响及对再生速度和再生草产量的影响。 dictall Therefore, the results obtained in the present experiment ensure that it is possible to get high yields by applying organic fertilizers with high nitrogen content to soil in the organic farming. 上述结果表明,施用有机高氮肥有可能获得与施用化肥相当的产量,这为生产有机食品专用肥料提供了技术途径。 cnki |