春茶前是指春茶开采以前,大致在2月至4月上中旬。这时是影响春季产量、品质的重要时期,着重抓好以下几个方面的管理: 1、茶园施肥。茶树发芽生长必须有营养,早春施氮肥成为增产,改善品质的重要措施。一般在3月上旬施速效氮肥,如尿素、硫酸氮、碳酸氢氨等,但氯化氨、氨水等最好不用,亩产干茶50kg以上施尿素16。5-22kg,产茶100kg以施尿素22-33kg,产茶150kg以上,施尿素33-40kg,产茶200kg以上, Before spring tea refers to the spring before the mining, roughly in the middle of February to April. At this time is an important period affecting the spring production, quality, focus on the following aspects of management: 1, tea fertilizer. The growth of tea trees must be nutritious, early spring nitrogen fertilizer has become an important measure to increase production and improve quality. Generally in early March Shi rapid nitrogen fertilizer, such as urea, sulfuric acid nitrogen, ammonia bicarbonate, etc., but ammonia chloride, ammonia and other best not to use, per mu dry tea 50kg above urea 16.5-22kg, tea 100kg Shi Shi 22-33kg of urea, over 150kg of tea, 33-40kg of urea, over 200kg of tea,