In addition, the growth yield and nitrogen use efficiency of all regulation treatments were significantly greater than the control treatment.
同时，各调控处理的产量和氮肥利用效率也明显高于相应对照处理。
2
Purchase and manage the liquid Nitrogen according to the regulation strictly.
严格按公司规定采购和管理液氮。
3
By different nitrogen treatments and manual regulation of source-sink ratio, dynamic states of bleeding at neck-panicle node and basal internode of rice were studied.