论文部分内容阅读
初夏栽植柑桔苗效果好我国柑桔产区多在秋季或春季栽植柑桔苗，这两个时期气温一般比较低，苗木多处于半生长半休眠状态，加之不少地区冬干春旱，还须加强浇水、防冻等管理，苗木成活差，缓苗期长，需经半年以上的精细管理才能恢复正常生长。近年。云南华宁县、四川江北县...
Early summer planting citrus seedlings good citrus production areas in China more in autumn or spring planting citrus seedlings, the two periods of the temperature is generally low, semi-growing seedlings in semi-dormancy state, in addition to a lot of dry winter spring drought, but also Strengthen the management of watering and frost protection. Poor survival of seedlings and long remission period require more than half a year of fine management to resume normal growth. in recent years. Huaying County, Yunnan, Sichuan Jiangbei County ...