1. Nutrients are lost through water leakage, such as cow dung, duck dung and rice husks. Most people water their dung heaps to make them better and easier to break down, but due to the lack of leak-proof measures under the dung heaps, nutrients are often lost along with the water. Therefore, according to the manufacturer of organic fertilizer production equipment, whether it is decomposed in a manure pit or on flat ground, plastic films must be laid underneath to prevent nutrients from leaking with water, and water must be properly sprayed;
2. Nutritional loss caused by chemical reactions, such as human excrement, urine and plant ash, at present, many vegetable farmers pour some plant ash into people's toilets to prevent it from attracting flies or emitting odor, plant ash contains a lot of carbon road potassium, its pH is alkaline. Human feces is an acidic organic fertilizer, so they meet, the acid and base are neutralized, and a lot of nutrients are lost. Therefore, in the work of accumulating fertilizer and manufacturing fertilizer, human manure and plant ash should be separated, and accumulated, stored and used separately. It is strictly prohibited to pour the plant ash into the organic fertilizer to prevent the plant ash from being lost by rain.
3. Nutrient loss caused by gas volatilization. In the process of decomposition, organic fertilizer will be converted into regas, resulting in volatilization loss. Therefore, during the decomposition process, it must be tightly covered with an unbroken plastic film. In addition, the accumulation and decomposition time should not be too long, and it should be used as soon as possible after decomposition.
