Effects of nitrogen rate and ratio of base fertilizer and topdressing on uptake,translocation of nitrogen and yield in wheat
base、Application、protein content、grain yield、fertilizer application、significant、differences、experiment、treatment、yield and quality、economic benefits、use efficiency、winter wheat、study、essential、negative、used in、related、promote、during
1
S ;R5
2008-09-01(万方平台首次上网日期,不代表论文的发表时间)
142-148