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冬暖式大棚杏树,2月中旬至4月底为果实发育期,分为三个发育阶段。第一阶段为杏果第一速生期与新梢生长期,时间28-34天左右。第二阶段为硬核期.时间8-12天。第三阶段为杏果第二次速生期与新梢生长期,时间20-30天左右。第一阶段要抓好六项工作:①花后追肥除蚜。每株追氮肥0.5千克,磷肥1千克.花后2周内隔7天喷一次0.3%尿素。展叶后喷一遍蚜虱净3000-5000倍除蚜。②环割。花后
Winter warm shed almond trees, mid February to the end of April for the fruit development period, is divided into three developmental stages. The first stage is apricot first fast growing season and shoot growth period, time is about 28-34 days. The second stage is the hard core period of time 8-12 days. The third stage is apricot second fast-growing period and shoot growth period, time 20-30 days. The first phase should do a good job in six areas: ① after the top dressing fertilizer in addition to aphids. Each plant topdressing 0.5 kg of nitrogen fertilizer, 1 kg of phosphate fertilizer .After 2 weeks after anthesis spray 0.3% urea within 7 days. Spray leaf again after the spray of imidacloprid 3000-5000 times in addition to aphids. ② ring cutting. After the flower