种植大豆对土壤氮素盈亏影响的估算
龚振平, 马春梅, 金喜军, 姚玉波
ESTIMATING EFFECT OF PLANTING SOYBEAN ON PROFIT AND LOSS OF SOIL NITROGEN
GONG Zhen-Ping, MA Chun-Mei, JIN Xi-Jun, YAO Yu-Bo
J4 . 2010, (1): 125 -129 .  DOI: 10.11869/hnxb.2010.01.0125