规章 发表于 2025-3-30 09:53:14
http://reply.papertrans.cn/28/2707/270635/270635_51.png琐碎 发表于 2025-3-30 15:07:39
Potatoes matter within the plant and the N and dry matter contents of the tubers. Excess of N is as harmful as N deficiency. Therefore, it is necessary to set up a system to determine the N requirement for this plant to avoid the adverse effect of excess N applications on both the crop yield itself, and als