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一、施肥培土。龙眼采果后,首先要及时施肥培土,以促秋梢抽发。在树冠边缘线下挖两条3-4尺、深5寸、宽7寸的对称浅沟,按每尺树冠直径施尿素、钾肥1两或复合肥2两,施后盖土。也可结合清园除草,在树冠垂直线下挖两条4-5尺、深宽各1.5尺的对称沟,再按每尺树冠直径施入杂草和农家肥5-6斤,磷肥1两,灰2两,施后盖土。施肥后在树盘周围(或全园)翻松土壤5-8寸,用冲积土、火烧土等培积于露地浮根上面,厚度2-3寸即可。
First, fertilization earth. Longan fruit picking, first of all timely fertilization soil training to promote autumn tip pumping. Dig two symmetrical shallow grooves of 3-4 feet, 5 inches deep and 7 inches wide at the edge of the canopy. Apply urea, potassium fertilizer or compound fertilizer 2 by the diameter of each crown, and apply soil cover. Can also be combined with clear garden weeding, digging in the vertical crown of two two 4-5 feet, 1.5 meters wide and 1.5 feet deep symmetry ditch, and then per foot diameter crown weeds and manure applied 5-6 pounds, phosphate fertilizer 1 two , Two gray 2, Shi cover the soil. After fertilization in the tree around (or the whole garden) to loosen the soil 5-8 inches, with alluvial soil, fire soil and other cultivation in the open rooting above the thickness of 2-3 inches can be.