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海红是黄土丘陵干旱地区的优良经济树种,因其具有耐旱、耐寒、耐瘠薄、耐粗放管理、抗病力强及寿命长等生物学特性,所以深受农民群众欢迎。特别在近几年,结合水土流失的综合治理,这一树种在水土流失较严重的晋西北各地得到迅速发展。但在实践中我们发现,如不对幼树采用促花技术,
Red sea is an excellent economic tree species in the arid hilly Loess Plateau. Because of its biological characteristics such as drought resistance, cold tolerance, barren resistance, extensive management, strong disease resistance and long life, it is welcomed by farmers. Especially in recent years, in combination with the comprehensive management of soil and water loss, this tree species has been rapidly developed in all parts of northwestern Shanxi where soil and water loss are more serious. However, in practice, we found that if young trees are not used to promote flower technology,