·2,447,543篇论文数据，部分数据来源于NoteExpress
应用盆栽试验和15n标记技术研究了小麦苗期施入N肥后土壤不同N库的动态。
The dynamics of various soil nitrogen pool after nitrogen fertilizer application at wheat seedling stage was studied by pot experiment and 15n trace technique.
youdao
应用推荐
模块上移
模块下移
不移动