另外，增产效果与氮肥施用时期有关，在拔节期一次施氮效果最好，氮钾配施增产42 ．2 ％ ，单施氮增产25 ．9 ％ 。

To apply all the N fertilizer in jointing stage gave best results. The combined application of N and K can increase yield by 42.2%, and N only 25.9%.

youdao

另外，增产效果与氮肥施用时期有关，在拔节期一次施氮效果最好，氮钾配施增产42 ．2 ％ ，单施氮增产25 ．9 ％ 。

To apply all the N fertilizer in jointing stage gave best results. The combined application of N and K can increase yield by 42.2%, and N only 25.9%.

youdao