Compound regulation of vegetable natural fertilizer

Natural fertilizers include organic fertilizers such as farmyard manure, green manure, crop straw, and humic acid. They contain a variety of organic and inorganic nutrients and bioactive substances, which have a good quality effect on vegetable quality and are one of the characteristics of traditional agriculture in China. It is also the main fertilizer type for the development of pollution-free vegetables.


A large amount of data indicates that the three elements of poultry manure and cake fertilizer are high in content, the nutrient species are all, and the proportion of nutrients is small. It is generally regarded as high-quality natural compound fertilizer, which is used for melons, solanaceous fruits and root vegetables, which can not only increase yield. And also greatly improved the quality. For example, the application of chicken manure, cake fertilizer, etc. to watermelon can increase the yield and increase the content of sugar, Vc and soluble solids. Application of manure can reduce the content of nitrate in various vegetables and increase the content of Vc and Ca, and prevent the disease from being stored. The use of decomposed cake fertilizer as base fertilizer or top dressing can significantly increase the sugar content and Vc content of leafy vegetables, melons, solanaceous fruits and root vegetables. The effect of organic fertilizer on the nutritional quality and appearance quality of vegetables is that they have nutrient balance effects, bioactive substances and coordinated growth environment effects on vegetable crops. However, the negative effects of organic fertilizers on the quality of vegetables cannot be ignored. For example, heavy metal in urban waste fertilizer, pathogenic microbial contamination in human and animal waste. Therefore, in the management of pollution-free vegetables and fertilizers, it is necessary to effectively control the heavy metals and other pollutants in organic fertilizers, to harmlessly treat the manure and urine, to minimize or prohibit the use of inferior organic fertilizers for pollution-free vegetables, and to vigorously develop High-quality organic fertilizers such as decomposed cake fertilizer, green manure, crop straw, biological fertilizer, deodorized and harmless pig manure, chicken manure, etc., promote the healthy development of pollution-free vegetable production in China, and ensure that its products meet AA-level green food standards.


Source: China Agricultural Economic Net
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