共 50 条
- [1] EFFECT OF NEEM CAKE ON THE POPULATION AND NITROGEN-FIXING ACTIVITY OF BLUE-GREEN-ALGAE IN FLOODED SOIL CURRENT SCIENCE, 1981, 50 (21): : 937 - 939
- [10] Placement effects of organic sources on nitrogenase activity and nitrogen-fixing bacteria in flooded rice soils Biology and Fertility of Soils, 1997, 25 : 103 - 108