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日光温室栽培香椿主要采用一年生苗木,在苗木入室前,常有一些情株枝梢发生干枯,在正常年份可达10%,生产措施不当或气候异常年份70%～80%,枯梢植株由于长势最强的顶芽失去生长能力,因而严重影响椿芽质量和产量。一、枯梢原因1.选择了不适宜当地栽培的品种,生态条件得不到满足,而使幼苗
Sunflower greenhouse cultivation of Chinese toon mainly annual seedlings, before the seedlings into the room, often some strains of branches dry, up to 10% in normal years, improper production practices or climate anomalous years 70% to 80%, plants growing as a result of The strongest of the top buds lose their ability to grow, thus seriously affecting the quality and yield of Chinese buds. First, the reasons for the worst 1. Choose not suitable for local cultivation of varieties, ecological conditions are not met, leaving seedlings