论文部分内容阅读
有些果树花满枝头,却结果很少,这说明有了足够的花数还不行,还要有合适的座果数才能保证高产。比如枣树座果率只有1—2％,山楂座果率50—60％,元帅苹果座果率7—8％,其他像核桃、杏、梨、柑桔、荔枝等都存在落花落果严重、座果低的问题。座果率低而不稳,是影
Some fruit trees full of branches, but the results are few, indicating that the number of flowers is not enough, but also have the appropriate number of fruit to ensure high yield. Such as jujube fruit rate of only 1-2%, hawthorn fruit rate of 50-60%, marshal apple fruit rate of 7-8%, other like walnuts, apricot, pear, citrus, litchi, etc. there is a serious fall, Fruit low problem. Fruit set low and unstable, is a shadow