·2,447,543篇论文数据，部分数据来源于NoteExpress
The relationship between nitrate fertilizer application and cultivated conditions such as soil fertility, preceding crop, plant density and irrigation etc.
本文对马铃薯经济施肥量与土壤、前作、密度、灌溉等栽培条件的关系进行了定量研究。
youdao
应用推荐
模块上移
模块下移
不移动