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一、土壤管理。(一)扩抗压青。幼苗定植成活后1～2年,根系生长速度快,将会长满原来定植时的坑。为促进幼年龙眼根系的生长,引导根系向深度和广度扩展,应分别在每年6～7月和11～12月在树冠外围滴水线挖长1.2米,深0.8米的扩穴坑,第一次挖南北方向,第二次挖东西方向,将绿肥、杂草、垃圾等有机物填入坑内,厚约20厘米,随后上面撒些石灰,再盖一层土,这样一层层填满坑,并稍高出地面。(二)间作套种。充分利用空隙间作套种豆科和绿肥等植物。
First, soil management. (A) expand the pressure on youth. Seedlings planted 1 to 2 years after survival, the root system of rapid growth, will be covered when the original planting pit. In order to promote the growth of young longan root system and to guide the root system to expand to the depth and breadth, we should dig the hole pit of 1.2m and 0.8m deep in the drip line outside the canopy from June to July and from November to December each year. The first Dig north-south direction, dig the east-west direction, the green manure, weeds, garbage and other organic matter into the pit, about 20 cm thick, then sprinkle some lime above, and then covered with a layer of soil, so fill the pit layer by layer and Slightly above the ground. (B) Intercropping. Make full use of interspaces for intercropping beans and green manure and other plants.