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一:喷洒时间准确:在果树需肥的关键时刻,有针对性地喷施液肥。如花期果树需硼量大,硼又能促进花粉粒萌发和花粉管的伸长,喷硼砂或硼酸,能显著提高座果率。葡萄新梢发育期、开花座果期和浆果成熟前,喷肥吸收多,易得到良好效果。另外,叶面追肥最好在叶片长到一定大小时进行,幼叶、老叶吸收力低。 二:喷洒环境适宜:叶面喷肥后,要避免肥液迅速干燥,一般根外追肥应选择较为湿润和无风的天气进行,在一天内以早晨露水未干或傍晚时进行为好。因此,夏季喷肥,最好
A: The spraying time is accurate: In the key moment when the fruit needs fertilizer, the targeted spraying of liquid fertilizer. Such as flowering fruit tree needs a large amount of boron, boron can promote pollen germination and pollen tube elongation, borax spray or boric acid, can significantly improve the rate of fruit set. Grape shoot growth period, flowering and berry fruit ripening before, fertilizer and more absorption, easy to get good results. In addition, the leaf top dressing is best when the leaves grow to a certain size, young leaves, old leaves low absorption. Two: Spraying environment suitable: foliar fertilizer, fertilizer to avoid rapid drying, the general top dressing should choose more moist and windy weather, the morning dew did not dry or evening as well. Therefore, summer fertilizer, the best