锌肥对青菜碳同化量影响初探
李树贞;曹秀华;王满平;杨江峰;
THE EFFECT OF ZINC FERTILIZER ON THE CARBON ASSIMILATION CAPACITY OF GREEN VEGETABLE
Li Shu-zhen Cao Xiu-hua Wang Man-ping Yang Jiang-feng ( Northwestern Agricultura
J4 . 1987, (02): 29 -33 .  DOI: 10.11869/hnxb.1987.02.0029