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“双佳”施肥,是指选择最佳的追肥时机,将肥料施于果树的最佳部位。 一、追肥的最佳期 根据各物候期的需肥特点,全年分4次补给果树肥料为宜。 1.花前追肥 果树萌芽至开花期消耗养分较多,如若上年贮存养分不足,养分供应不及时,就会使花期延长并降低坐果率。因此,花前应适量追施速效肥。有条件者,在花期再喷施1次250倍的硼砂水溶液,可大大提高坐果率。 2.花后追肥 落花后幼果和新梢迅速生长,此
“Double good” fertilization, refers to the time to choose the best fertilizer, the fertilizer applied to the best parts of the fruit tree. First, the best period of top dressing According to the characteristics of the need for fertilizer during the phenophase, four times a year supply of fruit trees fertilizer is appropriate. 1. Flowering topdressing fruit buds to the flowering period to consume more nutrients, if insufficient storage of nutrients in the previous year, nutrient supply is not timely, it will extend the flowering and reduce the rate of fruit set. Therefore, flowers should be topdressing effective fertilizer. Conditional, once again sprayed at flowering time 250 times borax solution, can greatly improve the rate of fruit set. 2. After the flower topdressing after flowering young fruit and shoots rapid growth, this