Compost, green manure, manure and so on are one of the common types of farmyard manure that we use in planting crops. The raw materials used are chicken manure, duck manure, sheep manure, goose dung, human dung, pig manure, sheep dung, etc. It can be taken locally, and then Xiaobian will briefly talk about the advantages and disadvantages of composting, green manure, manure and other farmer fertilizers, and hope that it will help everyone.
First, the advantages of farmyard manure
1. Farmyard manure is rich in a variety of trace elements. The use of farmyard manure is stable and long-lasting. It should be noted that it should be fully decomposed when applying farmyard manure.
2. Compost, farmyard and other farmyard manures are rich in organic matter, which can effectively improve and fertilize the soil.
3. Farmyard manure is generally based on horse manure, sheep manure, poultry manure, rabbit manure and human manure, pig manure, compost, etc. Horse manure, sheep manure, poultry manure, rabbit manure are hot, human feces, pig manure, Composting and various miscellaneous fertilizers are cool, so different farmyard fertilizers can be used to regulate soil temperature, such as heat preservation and antifreeze.
Second, the shortcomings of farmyard manure
1. It is bulky and has low fertilizer efficiency. It must be used in large quantities when used.
Farmhouse manure has high water content and low nutrient concentration. Therefore, it must be used in large quantities and used in combination to meet the needs of crop growth.
2, the source is wide, the ingredients are mixed, and some raw materials are in excess of heavy metals.
Compared with pig manure and poultry manure, the heavy metal content is high, and the heavy metal pollution contained in the farmhouse fertilizer will also exceed the standard, or the chemical toxin residue of the farmer manure that is not decomposed is relatively high.
Third, according to the characteristics of each farmer's fertilizer
1. Compost: It should be used as the base fertilizer. It is best to combine the spring and autumn tillage as the base fertilizer.
2, green manure: as a base fertilizer or top dressing, can effectively improve soil fertility.
3, sheep manure: used for cool soil and shady slopes, can be mixed with pig manure, better use in cool soil and shady slopes.
4. Pig manure: used for hot soil with good drainage performance.
5, horse manure: used to wet sticky soil and cloudy slopes and severely soiled soil.
6, cattle manure: should be applied to sandy soil and sunny slopes.
7, manure and urine fertilizer for topdressing; grass ash as a base fertilizer or top dressing; poultry fertilizer should be used as a base fertilizer or top dressing.
Fourth, science with organic fertilizers and inorganic fertilizers
1. Organic fertilizer + inorganic fertilizer: prevent the loss of fertilizer efficiency and improve fertilizer utilization.
2, human excrement + ferrous sulfate with: to prevent the loss of nitrogen volatilization.
3, human excrement + superphosphate combination: phosphorus to protect nitrogen, increase fertilizer use.
4, grass ash + superphosphate mix.
5, stacking manure + carbon ammonium mix.
6, manure + superphosphate combination: increase the content of available phosphorus in manure.
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