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如何防治晚熟桃品种——冬桃、雪桃的病虫害,确保丰产,是许多栽培者关心的问题。现将其主要病虫害的综合防治方法简介如下。一、加强栽培管理,增强树体抗病能力这是防治病虫害的关键措施,主要体现在适时、适量施肥上。全年分4次施肥:1.冬季落叶后用放射沟施入优质农家肥,每100~150公斤混加磷肥2公斤,做基肥。2.土壤化冻后施入尿素0.5公斤,做花前肥。3、6月上、中旬花芽分化前施入氮、磷、钾混合肥,促进花芽分化。4.立秋后施入磷、钾肥,提高果实质量。据测定,每50公斤果实需氮
How to prevent and cure late peach varieties - peach, peach pests and diseases, to ensure high yield, is the concern of many growers. Now its main pest control methods are summarized below. First, to strengthen cultivation and management, and enhance disease resistance of trees This is the key measures to prevent pests and diseases, mainly in a timely manner, the amount of fertilization. Four times a year throughout the year fertilization: 1. After the winter deciduous radioactive ditch into the high-quality manure, every 100 to 150 kg mixed with 2 kg of phosphate fertilizer, so basic fertilizer. 2. soil after freezing urea 0.5 kg, so before flowering fertilizer. March and June, the middle of the flower bud differentiation before the application of nitrogen, phosphorus and potassium fertilizer to promote flower bud differentiation. 4. After the establishment of autumn phosphorus, potassium, improve fruit quality. It is determined that every 50 kilograms of fruit need nitrogen