Rational use of farmyard manure in autumn

Compost, green manure and manure are collectively referred to as farmyard manure. Although they all contain nitrogen, phosphorus, potassium and other nutrients, their properties are different, and the scope of use varies from fertilizer to fertilizer. Rational use of farmyard manure can not only improve the yield and quality of crops, but also improve soil structure. Composting It is a fertilizer that is made up of weeds, garbage, etc., which can be used according to local conditions. It is best to combine spring and autumn tillage to make base fertilizer. Green manure is best to do the base fertilizer or top dressing of legume crops, and use the nitrogen fixation of rhizobia to improve soil fertility. The organic matter of pig manure and the content of nitrogen, phosphorus and potassium are more. The mature pig manure can be applied to various soils, especially suitable for well-drained soil. Cow dung has a low nutrient content and is a typical cool fertilizer. The cow dung is dried and mixed with 3% to 5% of plant ash or phosphate rock powder and horse manure for accumulation, which can accelerate the decomposition of cow manure and improve fertilizer efficiency. It is best used in combination with hot fertilizers or on sandy loam and sunny slopes. Sheep manure is a hot fertilizer, which should be mixed with pig manure for cold soil and shady slopes. Horse manure has high organic matter, nitrogen and cellulose content. It contains high-temperature fiber-decomposing bacteria. It has fast fermentation and high calorific value in the accumulation. It is suitable for wet and heavy soil and cloudy slope and soil with severe compaction. Poultry manure has high nutrient content and can be used as seed fertilizer and top dressing. It is most suitable for vegetables. After the human excrement is fermented, it can be used directly, or it can be mixed with soil into a large dung for top dressing.

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