Farmyard fertilizer should also be used reasonably

Farmhouse manure is the main body of organic fertilizers collected locally and in situ in the countryside, including manure, livestock manure and poultry manure. It is an important material for the development of ecological agriculture. Because of the different characteristics of farmyard manure, it is also necessary to pay attention to reasonable application during use. The main features of the commonly used farmyard manure and the precautions in use are described as follows:

1. Human excrement The human feces and urine have high nutrient content, fast maturity and significant fertilizer effect, and are known as “fine fertilizer”.

Precautions:

1 Human excreta must be thoroughly decomposed before application and can be used after harmless treatment.

2 Avoid chlorine plants such as potatoes, sugar beets, tobacco, etc., which are not easy to use, and limited application of saline and alkali in drought and poor drainage.

3 It is forbidden to mix and mix human excrement with alkaline substances such as plant ash and ammonium bicarbonate.

4 Do not expose manure to manure to avoid nitrogen loss.

2, pig manure and urine Pig manure texture is relatively fine, complex composition, contains more ammoniated microorganisms, easy to decompose, and the formation of more humus. Pig manure is an organic fertilizer with a soft and stamina.

Precautions:

1 Nitrogen is easily decomposed, phosphorus is high, and organic phosphorus is not easily fixed by soil. Potassium is mostly water-soluble potassium, which is easily absorbed by crops.

2 Phosphorus-containing compounds are easily converted into phosphoric acid and phosphate under the action of microorganisms; proteins, urea, amino acids, uric acid, etc. are converted into ammonium salts and nitrates, which are easily decomposed and lost.

3 When accumulating, add padding, common soil or peat, and the ratio of soil to fertilizer is better than 3:1.

4 Advocating the combination of the gasket inside the ring and the pile outside the circle, the diligent starting pad is beneficial to the manure nutrient decomposing.

5 It is forbidden to pour the ash into the circle to avoid the loss of nitrogen volatilization.

3. Cow manure The cow dung is dense in texture and similar in composition to pig manure. The manure has high water content, poor air permeability, slow decomposition, low fermentation temperature and slow fertilizer efficiency. Therefore, it is called “cold fertilizer”. Unfertilized cow manure is less effective.

Precautions:

1 Cow manure should be added to the straw, grass, peat or soil and other gaskets, absorb urine, add horse manure, sheep manure and other hot manure is conducive to promote cow manure decomposing.

2 Add calcium, magnesium and phosphate fertilizers when composting to maintain nitrogen and phosphorus, and improve fertilizer quality. At the same time, the mud on the outer layer of the compost should be about 7 cm.

3 Rotten cow dung should be used as base fertilizer, and it should be applied when the whole earth is smashed. Must be applied after maturity to ensure nutrient conversion and elimination of pathogens and eggs.

4 should not be mixed with alkaline fertilizers, such as ammonia, ammonium bicarbonate.

4, chicken manure characteristics:

1 Chicken manure has a high nutrient content of 1.03, which is 4.1 times that of cow dung. Total potassium is 0.72%, which is 4.1 times that of cow dung.

2 In the composting process, it is prone to fever, and nitrogen is volatile: the nitrogen loss of air-dried chicken manure is 8.7, the nitrogen loss of chicken manure in semi-air-dried fermentation is 37.2, and the loss of chicken manure is 24.8. Therefore, chicken manure should be stored dry, tanning before application, and add appropriate amount of calcium, magnesium, phosphorus fertilizer to play a role in nitrogen retention.

3 It is suitable for all kinds of soils. It can be used as base fertilizer because it can be decomposed quickly. It can also be mixed with other fertilizers to make base fertilizer. Chicken manure can significantly improve crop quality.

4 Chicken manure has high nutrient content and uric acid. The application of fertilizer is not more than 30 tons per hectare, otherwise it will cause burning.

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