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板栗适应性强,栗实营养丰富,是开发山、滩的优良经济树种之一,然而,产量低而发展缓慢。据调查,板栗低产的原因除采用实生繁殖与管理粗放外,空棚率过高也是主要原因之一。为此,我们多年调查研究,初步找出了空棚率过高的一些原因和减少空棚的一些方法。 一、产生空棚的原因 (一)
Chestnut adaptability, rich chestnut nutrition, is the development of mountain, beach, one of the fine economic species, however, low yield and slow development. According to the survey, chestnut low yield reasons in addition to the use of live breeding and extensive management, the shed is too high is one of the main reasons. For this reason, we have conducted many years of research to find out some reasons why the shed ratio is too high and some ways to reduce the shed. First, the reasons for the production of empty shed (a)