肥料氮的淋溶深度对肥效的影响
贾树龙,孟春香,唐玉霞,王泽文,刘春田
EFFECTS OF LEACHING DEPTH OF FERTILIZER-N ON ITS EFFICIENCY
Jia Shulong Meng Chunxiang Tang Yuxia Wang Zewen(Soil and Fertilizer Institute,Hebei Academy of Agricultural and Forestry Sciences,Shijiazhuang 050051)Liu Chuntian(Agricultural Science Institute of Cangzhou Region Cangzhou 061001)
J4 . 1993, (04): 213 -217 .  DOI: 10.11869/hnxb.1993.04.0213