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苹果树每年都要从固定的地段上吸收一定量的营养物质,为了保证树体正常生长和开花结果,果园土壤必须年年施肥。以往,我县多在苹果采收后的10月中下旬或翌年春季给苹果树施基肥。由于这时地温较低,苹果树的根系活动微弱,所以肥料分解利用很少。施入的肥料待到第二年进入雨季,温、湿度适宜时,才能为果树供应营养物质,这时已经错过了需肥适期,远远不能满足苹果树开花、授粉和坐果的要求。相反,还会造成冒条多、秋梢长、花芽数量少、果品质量差等弊病。
Every year, the apple tree absorbs a certain amount of nutrients from a fixed lot. In order to ensure the normal growth and flowering of trees, the orchard soil must be fertilized every year. In the past, my county mostly in apple harvest after mid-late spring or the following year to the apple tree base fertilizer. Because the ground temperature is low at this time, the root activity of the apple tree is weak, so little fertilizer is decomposed and utilized. Fertilizer into the second year into the rainy season, when the temperature and humidity suitable to supply nutrients for the fruit trees, then have to lose the fertilizer period, far from meeting apple tree flowering, pollination and fruit set requirements. On the contrary, it will also result in more problems, long autumn shoots, fewer flower buds and poor quality of fruit products.