Summer high-temperature compost is one of the main contents of improving soil fertility, and it is also an important way to return straw to the field. At present, it has entered the summer high temperature and rainy season, it is the favorable opportunity for high-temperature accumulation.
Ground composting
First compact the ground, then spread a layer of dry fine soil on the bottom, and then lay a layer of uncut corn stalks on it as a ventilation bed (about 26 cm in thickness), and then layer the materials in the bed, each layer thick About 20 centimeters, and pours human urine layer by layer (more on the lower side), in order to ensure ventilation within the heap, insert a wooden stick at a certain distance before stacking, so that the following contact with the ground, unplug the stick after the end The remaining holes serve as ventilation holes. The composting materials include straw, manure and urine, and fine soil. The ratio of the compost materials is 3:2:5. Adding 2-5% calcium magnesium phosphate fertilizer to the mix will reduce the amount of phosphorus. , The calcium, magnesium, and phosphate fertilizers significantly improve the effectiveness. After mixing according to the proportion of fertilizer, adjust the moisture to 50% of the wet weight. Generally, it is advisable to use droplets of hand-held material. Dig a trench about 30 cm deep and about 30 cm wide around the fertilizer heap to prevent soil from growing around. Loss of manure fluid. Finally, with a mud heap of 3-5 centimeters or so, after 2-8 days of stacking, the temperature rises significantly and the heap gradually sinks. When the temperature in the heap slowly falls, it is turned and the edges are not well-marginated. The internal materials are evenly mixed and re-piled. If white mycelium is found in the material, add water in appropriate amounts and then re-close it with mud. When it is half-ripe, it should be sealed tightly and used. The color of the crop stalks when fully cooked is dark brown to dark brown, the stalks are very soft or mixed, the plant residues are not obvious, and the compost is squeezed out of the juice by hand to filter out colorless odors.
Rapid roticide composting
Using a variety of straw manure and other waste, adding a certain amount of "fast decay agent" to regulate nutrition, inoculation of fermented microbial agents for high temperature composting. Generally every cubic meter of wheat straw (65-70 kg) needs 0.5 kg of fungicide, 0.5 kg of urea, and piled on flat ground. First dig 1.5-2 meters deep and 0.3 meters deep in the bottom of the site, and the length is not limited. Within the stack of wheat straw and water, 1 kg of wheat straw should be added with more than 2 kg of water. When the stack is 0.6-0.7 meters high, first spread a layer of urea, spread as much as possible, the amount is half of the total amount, the second layer is 0.4-0.5 meters high, and the remaining inoculum and urea are thoroughly mixed and refilled. The third layer is 0.3-0.4 meters high, artificially practical, plus enough water, and finally take the surrounding mud tightly sealed heap, 7-10 days fat heap uniform collapse, such as collapse is uneven, should be added in the prominent part of the water, 30 days after wheat straw dark brown Or muddy, that is composting compost.
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