How to reduce farm nutrient loss

At present, the amount of chemical fertilizers has been increasing year by year, and many farmers have neglected the accumulation and application of farmyard fertilizers, resulting in serious losses of nutrients in farmyard fertilizers. According to calculations, if animal urine is not promptly lapped, nitrogen loss can be as high as 96% after half a month. Therefore, to prevent the loss of nutrients from farmyard fertilizers, farmers’ friends should be highly valued.

First, reduce the loss of nutrients in livestock manure. Improve the column circle, so that it does not leak water, no leakage, easy to use washers; bar circle the ground properly, the ratio of excrement and soil to 1:3-4 is appropriate, so do it from time to time, daily or every other day Ring once; if the temporary release of excrement should not be used, it should be immediately piled up, sealed with mud outside to protect the fertilizer effect.

Second, reduce the loss of nutrients in human waste. Human urine is rich in nitrogen, phosphorus and potassium. It has been determined that if human urine is left untreated, it will be stored in the tank for 60 days and nitrogen will lose about 90%. To reduce the loss of human urine nutrients: Put the urine product in a tank or tank. The tank or tank must be covered to prevent volatilization. It is better to store it for 7-10 days to reduce the accumulation time to conserve nutrients.

The methods to reduce the loss of human fecal nutrients are: (1) Renovate the toilets and septic tanks to prevent seepage, leaks, and rain, and seal them. (2) Change the method of use, that is, change the dry application to dilute application, and apply the diluted soil into the soil after dilution. The decay time is generally 6-7 days in summer, and about 15-20 days in other seasons. (3) Separation of human waste should be strongly promoted.

Third, reduce the loss of vegetation ash nutrients. Due to the large amount of potassium carbonate, plant ash is the only alkaline potassium fertilizer in farmyard manures. Both human waste and manure are acidic organic fertilizers, so the two are mixed and the nutrients are lost. According to the measurements, the plant ash was mixed with human feces and urine in a ratio of 1:1.5 and stored for 10 days. The nitrogen loss was about 27.4%, and the nitrogen loss during storage was about 85.9%. Therefore, we should vigorously promote single-grained plant ash, single-existence, single-use, should not be poured into the organic fertilizer plant ash, but also to prevent the ash of trees and trees were wetted by rain, resulting in nutrient losses.

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