今年春茶期间,我们在三日公社湘潭大队茶场,用蚕粪液作茶树根外施肥,效果显著,增产幅度达14.7％,现将实验情况简介于下。一、蚕粪液的配制和施用方法蚕粪液的配制:将风干蚕粪用粉碎机粉碎后,每斤蚕粪加水5斤,浸一昼夜,而后充分搅拌过滤,约得原液3.5斤。施用 During the spring tea season of this year, we used the silkworm excrement as fertilizer outside the tea plantation of Xiangtan Brigade on the 3rd Commune, and achieved remarkable results with an increase rate of 14.7%. The experimental conditions are summarized below. Preparation and application of silkworm manure Preparation of silkworm manure: crushed silkworm manure grinder, kg jinjiao add water 5 pounds, soak for a day and night, and then fully stirred and filtered, about 3.5 pounds of stock solution. Application