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为改变朝阳县枣树生长慢、产量低的现状 ,进行了枣树密植早实丰产试验 ,结果表明 ,试验枣树栽植后第 4年平均每公顷产量是 14985kg ,是对照枣树产量的 4 .5倍。其丰产技术主要有 :选择健壮、须根多的苗木 ;栽植时挖大坑 ,施底肥 ,栽植后每年适时追肥浇水 ;利用摘心、修剪 ,扩大树冠 ;枣头枝摘心、主干环割 ,提高坐果率 ;尽快、尽多地培养高效结果枣头枝。
In order to change the slow growth and low yield of jujube trees in Chaoyang, the experiment of high density and early maturity yield of jujube was carried out. The results showed that the average yield per hectare in the fourth year after jujube cultivation was 14,985kg, which is 4 of the control jujube tree yield. 5 times. Its high yield techniques are: Choose robust, fibrous roots and more seedlings; planting dug pit, base fertilizer, planting a timely manner after the fertilizer topdressing; use of topping, pruning, expanding the crown; Rate; as soon as possible to cultivate high-yielding dates head branches.