Compost, green manure, manure, etc. We collectively call it a farmyard fertilizer. Although these fertilizers contain nutrients such as nitrogen, phosphorus, and potassium, their properties are different, and the range of use varies from fertilizer to fertilizer. The rational use of fertilizers can not only increase the yield and quality of crops, but also improve soil structure. The following describes the correct use of several common farmyard fertilizers as follows for farmers' friends to use in production and practice.
First, composting. Weeds and waste can be used as a raw material and can be used locally. It is best to use spring and autumn tillage as base fertilizer.
Second, green fertilizer. It is best to make base fertilizer or top dressing of legumes, and use nitrogen fixation of rhizobia to increase soil fertility.
Third, sheep manure. It is a thermal fertilizer and should be mixed with pig manure. It is suitable for cool soil and shady slopes.
Fourth, pig manure. Organic matter and nitrogen, phosphorus, and potassium are abundant, and decomposed swine manure can be applied to various soils, especially for well-drained hot-water soils.
Fifth, horse dung. Organic matter, nitrogen, cellulose content is high, contains high-temperature fiber-decomposing bacteria, rapid fermentation in the accumulation, high heat, suitable for wet heavy soil and shady slopes and severely compacted soil.
Six cow dung. With low nutrient content, it is a typical cold fertilizer. Dry the cow dung and mix it with 3% to 5% of plant ash or rock phosphate or horse dung to accelerate the decomposition of cow dung and increase fertilizer efficiency. Use a combination of fertilizers or apply them to sandy and sunny slopes.
Seven, human waste. Fermentation can be used directly after maturity. It can also be mixed with soil to make large excreta for top dressing.
Eight, plant ash. Potassium, calcium, boron, manganese and other elements. Can do base fertilizer or top dressing.
Nine, poultry fat. With high nutrient content, it can be used as a fertilizer and top dressing, and is most suitable for vegetables.
Ten, hole fertilizer. It is a long-term, smoke-cured, smoky soil fertilizer. From the viewpoint of effective use, it is advisable to dismantle one time in 1 to 2 years. Since the cavity soil is dry due to prolonged exposure to smoke, it should be used for a period of time before it is used and then crushed to make millet. Base fertilizer or seed fertilizer is better.
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