随著施氮量增加,追施氮肥的利用率明显下降。
Tear off the rhetorical topdressing from his speech and you find there's very little solid content.去掉他演讲中华丽的词藻,你会发现其中没什么实在内容。
The grain yield and protein content responded differently to the ratio of base to topdressing nitrogen.籽粒产量和蛋白质含量对底追比例的反应有一定差异。