板栗是我国特产的著名干果,也是国内外市场的紧俏商品。但由于在栽培中多采用传统的方法,使板栗结果晚、产量低。一般7—8年树龄才少量结果,全国板栗平均亩产16—18.8公斤,株产不足2公斤。现介绍一种新的板栗高产栽培技术,可使板栗亩产达500公斤以上。 一、深翻土地,计划密植。板栗为深根系果树,要求土壤深厚。定植前,河滩地一般挖0.8立方米大穴;山丘地整修成上层深60cm左右的梯田;每穴施土杂肥20公斤。定植时间在初冬落叶后或3月中旬前后均可。栽植密度一般为3×4米。苗木应为良种嫁接苗。 Chestnut is a famous dried fruit of our country, it is also a tight commodity in domestic and foreign markets. However, due to the use of traditional methods in cultivation, so that the results of late chestnut, low yield. Generally 7-8 years old only a small amount of results, the national average yield of chestnut 16-18.8 kg, yield less than 2 kg. Now introduced a new chestnut high yield cultivation techniques, chestnut mu yield up to 500 kg or more. First, the deep turning land, plan dense planting. Chestnut tree roots for deep roots, requires deep soil. Before planting, the floodplain generally dug 0.8 cubic meters of large holes; the hillsides were renovated into the terraces of about 60cm in the upper layer; and 20 kg of soil mixed fertilizer was applied to each hole. Colonization time in early winter after deciduous or around mid-March can be. Planting density is generally 3 × 4 meters. Seedlings should be grafted seedlings.