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近年来,以经济作物为主的高效农业得到迅速发展,人们越来越强烈地意识到合理用肥和科学用肥的重要性。除了增强抗御自然灾害的能力外,在同一作物品种条件下,适宜的肥料管理无疑是提高农产品产量与质量的重要措施之一。 目前在我国很多地区农作物栽培体系中普遍存在着有机肥用量日趋减少,施肥品种单一,氮磷化学肥料用量增长迅猛,且又以氮肥为主,而土壤中与之平衡的钾素有日渐下降的趋势。土壤养分的不
In recent years, with the rapid development of highly efficient agriculture based on cash crops, people are becoming more and more aware of the importance of rational use of fertilizers and scientific fertilizers. In addition to enhancing resilience to natural disasters, proper fertilizer management is undoubtedly one of the important measures to improve the yield and quality of agricultural products under the same crop variety. At present, there is a widespread decrease in the amount of organic fertilizer used in crop cultivation systems in many parts of China. The single type of fertilizer is used. The amount of nitrogen and phosphorus chemical fertilizers is increasing rapidly, and nitrogen fertilizer is the main factor. However, the balance of potassium in the soil is decreasing trend. Soil nutrients are not