Composting: It is mainly based on weeds and garbage as raw materials. It can be used according to local conditions. It is best to combine spring ploughing and autumn ploughing as base fertilizer.
   Sheep manure: It is a kind of hot fertilizer. It is best used with pig manure. It is suitable for cool soil and shady slope, generally as the base fertilizer.
   Pig manure: Nitrogen, phosphorus and potassium are more abundant, but they must be effectively decomposed. The pig manure without decomposing is not suitable as top dressing for vegetables . Fully decomposed pig manure can be applied to a variety of soils, especially for well-drained hot soils.
   Cow dung: low nutrient content, it is a typical cool fertilizer. It can be dried by cow dung and mixed with 3% to 5% of ash or phosphate rock or horse manure for accumulating, which can accelerate the decomposition of cow manure and improve fertilizer efficiency. Preferably in combination with the heat used to make fertilizer, applied in a shady place or sandy soil.
   Human excrement: It can be used directly after fermentation and fermenting, or it can be mixed with soil to make large manure for top dressing.
   Grass ash: contains potassium, calcium, boron, manganese and other elements, can be used as a base fertilizer or top dressing.
   Poultry manure: high nutrient content, can be used as seed fertilizer and top dressing, most suitable for vegetables.
   Biogas fertilizer: Generally, it should be stored in the septic tank for 5 to 7 days before application. The biogas residue and phosphate fertilizer should be stacked in a ratio of 10:1 for 5 to 7 days. But do not directly watered dressing, otherwise it would burn agricultural crops appear phenomenon. Therefore, when using biogas fertilizer as top dressing, it is necessary to first exchange water. Generally, the water is half of the biogas slurry. Biogas fertilizer is best not mixed fertilizer plant ash, lime and other alkaline fertilizer, nitrogen fertilizer or easy loss, fat reduction effect.
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