晚稻不同钾肥施用量与病害发生及产量关系的研究晚稻不同鉀肥施用量與病害髮生及產量關繫的研究 만도불동갑비시용량여병해발생급산량관계적연구 Study on the Relationship among Different Application Amount of Potassium Fertilizer and the Occurrence of Late Rice Diseases and Insect Pests and Its Yield in Southeastern Hubei Province
