What should be paid attention to in the application of organic fertilizer?

What should be paid attention to in the application of organic fertilizer? Organic fertilizer has comprehensive nutrients and long-lasting balanced fertilizer effect, which can not only improve soil structure, improve soil fertility, promote the release of soil nutrients, but also supply crop nutrients, especially for the development of organic agriculture, green agriculture and pollution-free agriculture. However, the application of organic fertilizer should pay attention to the following four points for reference: first, the nutrients contained in organic fertilizer are not omnipotent. Organic fertilizer contains many kinds of nutrients, which is an advantage compared with chemical fertilizer, but its nutrients are not balanced and can not meet the needs of high crop yield. In the application of organic fertilizer, chemical fertilizer should be applied according to the nutrient requirements of crops, mineral fertilizer should be applied even in the farmland producing green food, and all kinds of foliar fertilizer should be applied during crop growth. Just as there is no panacea for diseases, there is no panacea for organic fertilizer. Second, the decomposition of organic fertilizer is slow, and the fertilizer effect is late. Although organic fertilizer contains all the nutrient elements, it decomposes slowly in the soil, and when the amount of organic fertilizer is not very large, it is difficult to meet the needs of crops for nutrient elements. On the other hand, the content of nutrient elements of chemical fertilizer is high, and the fertilizer effect is rapid, so it can be replenished according to the demand of crops, but the fertilizer effect is short. The combined application of organic fertilizer and chemical fertilizer, learning from each other's strong points and giving full play to their respective advantages, can meet the needs of crops for various nutrient elements in quantity and time. In order to obtain high yield, a certain amount of chemical fertilizer should be applied to achieve slow combination. Third, organic fertilizer needs to be fermented. Many organic fertilizers carry germs, insect eggs and weed seeds, and some organic fertilizers also contain organic compounds that are not conducive to crop growth, so organic fertilizers should be applied after compost fermentation and processing, and raw manure can not go down to the ground. Fourth, the taboo in the use of organic fertilizer. Mature organic fertilizer should not be mixed with alkaline fertilizer, if mixed with alkaline fertilizer, it will cause ammonia volatilization and reduce the nutrient content of organic fertilizer. Organic fertilizer contains more organic matter and should not be mixed with nitrate nitrogen fertilizer. Click to get more organic fertilizer application technology click to get more fertilizer application technology