免耕稻茬麦植株、土壤系统氮素平衡研究
田奇卓,亓新华,王俊领,范春华
NITROGEN BALANCE BETWEEN WHEAT PLANT AND SOIL IN NO TILLAGE FIELD AFTER RICE REAPING
Tian Qizhuo\ Qi Xinhua (Shandong Agricutural university, Taian 271018) Wang Junling\ Fan Chunhua (Agriculture Bureau of Rencheng, Jining 272133)
J4 . 1997, (03): 157 -0 .  DOI: 10.11869/hnxb.1997.03.0157