First, human waste. High nitrogen content, easy to decompose, fast fertilizer effect, can be used as base fertilizer, used in combination with other farmyard fertilizers and phosphorus and potassium fertilizers; it can also be diluted with water and used as top dressing, divided use, especially suitable for leafy vegetables and cereal crops However, it should not be applied to potatoes, sweet potatoes, etc. Second, livestock waste. With the advantages of improved soil and long aftereffect, it should be cooked as base fertilizer. Phosphorus and potassium fertilizers are highly effective. Pay attention to supplementing available nitrogen fertilizers when applying them. 1 cow dung. Typical cold fertilizers have lower nutrient content. Dried cow dries, mixed with 3 to 5% of plant ash or phosphate rock or horse manure to accumulate, accelerating decomposition and improving fertilizer efficiency. It is best applied in combination with thermal fertilizers or on sandy soils and sunny slopes. 2 sheep dung. It is a thermal fertilizer and is suitable for mixing with pigs and cows. It is suitable for cool soil and shady slopes. 3 pig manure. The decomposition is faster and can be used as basal fertilizer or top dressing. It is suitable for all kinds of soils. 5 horse dung. Decompose and decompose rapidly, and it has a large calorific value. It is suitable for moist and heavy soil, severely compacted soil and shady slopes, and can also be used as a brewing material for hotbeds. Third, manure. It is mainly composed of livestock excrement and litter. It is rich in organic matter and nutrients. Generally used as basal fertilizer, fully applied or concentrated. Promote the use of manure and chemical fertilizers in order to ease the economy and promote mutual effect. Fourth, poultry fat. With high nutrient content, it can be used as seed fertilizer and top dressing, especially for vegetables. Fifth, composting. The crop stalks, weeds, and household waste are mainly used, and a small amount of human and animal urine is piled up. It is often used as a basal fertilizer, and it can also be used as a fertilizer (to fully decompose it so as not to burn seedlings). It can be used together with a suitable amount of nitrogen and phosphate fertilizers. Six, green manure. It can be directly turned over about 30 days before planting wheat, mixed with other farmhouse fertilizers, or used as a feed, and then composted with animal manure. Seven, cake fat. It is the residue of the oil crop after the seeds are pressed and deoiled. The nutrients are complete and the fertilizer effect is long-lasting. It is suitable for all kinds of soils and a variety of crops, and in particular can significantly increase the yield of melons, fruits, tobacco, cotton and other crops and improve their quality. It can be used as basal fertilizer and applied after being crushed 2 to 3 weeks before seeding. It can also be used as compost after composting with compost or manure, and can be applied to a ditch along the plant or a hole. Eight, mud. It is made of silt stacking in ditch, lake, river and pond. It is a slow-acting fertilizer with a long and stable fertilizer effect. It should be used as base fertilizer in combination with human and animal manure and green manure. Nine, soil fertilizer. Including bauxite, smoked soil, old wall soil and so on. The water should be added so that the dry adobe can be fully absorbed and then used as a top-dressing fertilizer. The effect is especially pronounced on low-lying land and hi potassium crops. X. Plant ash. With potassium, calcium, boron, manganese and other nutrients, can be used as base fertilizer or top dressing.
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