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夏季阳光强烈,气温极高,树桩蒸腾作用快,给管理上带来许多困难;同时,光合作用强,又为生长提供充足的养分。只有掌握植物夏季生长的生理特点.满足其必须的生长条件,才能保证树桩的生理生长。夏季盆水管理是首要工作。树桩盆景盆小土少水口浅,浇水过程中水肥易外溢,每天大量浇水,土壤极易板结。浇水费工费时还不易浇透,效果效率都不好。为提高水肥效率,除了传统的盆面浇水,可用浸盆法或吊针法。浸盆法是将树桩盆景连盆一起在水中浸泡1～4个小时,如液面超过盆面,浸水时间应短些;反之则长,需半天左右。用浸盆法能一次灌透,水分维持时问较长。在重庆这样的高温地区,伏天只需一日一浸或两日一浸,如浇则需一日两浇才有些效果。采用吊针法浇水,是用医用吊针扎入2L～5L的塑料
Strong sunshine in summer, high temperatures, rapid transpiration of stumps, to the management of many difficulties; the same time, strong photosynthesis, and growth to provide adequate nutrients. Only by grasping the physiological characteristics of summer growth of plants can meet the necessary growth conditions to ensure the physiological growth of stumps. Summer basin management is the priority. Small pots and bonsai bonsai shallow basin of shallow water, water and fertilizer easy to spill water, a large number of daily watering, soil extremely easy to knot. Watering fee time is not easy to drench, the efficiency is not good. In order to improve the efficiency of water and fertilizer, in addition to the traditional basin watering, available dip method or hanging needle method. Immersion basin law is the stump bonsai pot together in the water soak for 1 to 4 hours, such as the surface of the liquid than the basin, the immersion time should be shorter; the other hand, take about half a day. With a dip method can be a thorough irrigation, water maintenance asked longer. In Chongqing, such a high temperature area, V days only one day or a dip for two days, such as pouring two days to pour some effect. Using hanging needle watering method, it is to use medical hanging needle into 2L ~ 5L plastic