沼液肥对茶树生物量和夏秋茶品质的影响

摘要

In order to explore effects of biogas fertilizer on tea and chemical properties, we try to find a suitable amount of fertilizer for summer and autumn tea. Field tests showed that bud density increases 17.31%, shoot 58.78 % per day, lO0-bud weight 31.33 % and fresh leaf yield 60.93 % , when 1000 kg of biogas have been ap- plied per mu of spring tea. Quality improvement enhances 2.71% - 6.17 % , when 1000 - 1500 kg of biogas have been applied per mu of summer-autumn tea. Specifically, water soluble matter content rises from 2.40 to 8.63, a- mino acids content goes up from 2.38 % to 11.90 % and tea polyphenol reduces from 0.47 % to 2.83 %.%探索沼液肥对茶树物理化学性状的影响，可找出适宜于夏秋茶的最佳施肥量。通过田间小区试验表明，春茶期每亩施1000kg沼液肥芽头密度增加17．31％、新梢日增长率提升58．78％、百芽重增加31．33％、鲜叶产量增加60．93％；夏秋茶亩施1000～1500kg沼液肥品质提升2．71％～6．17％，具体表现为水浸出物含量增加2．40～8．63，氨基酸含量增加2．38％～11．90％，茶多酚降低0．47％～2．83％。