核桃是世界著名的四大干果之一,具有较高的药用价值和经济价值,市场上供不应求。但在生产上却存在着产量低、品质差等问题,近年来通过对核桃的专题调查、试验,我们总结出了几条核桃优质高产的技术措施。一、更换优良品种各地核桃由于长期实行繁殖,造成品种混杂,产量高低悬殊,因此对产量低、 Walnut is one of the four famous dried fruits in the world, which has high medicinal value and economic value and is in short supply on the market. However, there are still problems in production such as low yield and poor quality. In recent years, through special surveys and experiments on walnut, we have summed up several technical measures of high quality and high yield of walnut. First, the replacement of fine varieties throughout the long-term practice of walnut breeding, resulting in mixed species, the output gap between the high and low, so the yield is low,