氮磷复(混)合肥料的氮素肥效
国鹰,彭根元,王福钧
EFFICIENCY OF NITROGEN IN NP COMPOUND ( MIXED ) FERTILIZERS
Guo Ying Peng Genyuan Wang Fujun(Beijing Agricultural University, Beijing)
J4 . 1990, (01): 31 -36 .  DOI: 10.11869/hnxb.1990.01.0031