However, some farmers also transported wheat stalks to the land, roadsides, and trenches, causing environmental pollution and fire hazards. In order to make effective use of these wheat straw resources, increase the utilization of straw to the field, and combine rural clean-up projects, organic materials such as wheat straw, roadside weeds, and ditch and pond grasses are transformed into high-efficiency organic fertilizers using high-temperature compost technology to make them become straws. Waste is treasure.
High-temperature composting technology is the use of biochemical technology to accelerate the decomposition of crop straw, increase the temperature and humidity of the compost, and shorten the cycle of composting. It is an important way to return straw to the field, and has a clean environment, reduce pollution, improve soil, fertility and increase soil organic matter. , Alleviate the imbalance in the ratio of N, P and K in the soil and balance the supply of nutrients. The technical points are as follows: 1. Site selection. Choose a place that is close to the water source and convenient for transportation. The size of the fertilizer heap depends on the site and material. You can also choose idle pits and gutters. If you choose a flat ground, you should dig around a depth of 30 ft. and a width of 30 ft. around the manure and plant the land around it to build a 30-foot-high soil to prevent the loss of manure (fat) fluid. 2, straw processing. The ratio of dry straw to water is generally 1:1.8, so that the water content of straw reaches about 60%. Generally, it is advisable to have liquid dripping from the hand-held material, which is the key to the success or failure of compost. 3, material ratio. According to straw (weeds, aquatic grass) 1000 kg? 5 kg of urea? 100 kg of fine soil ratio of ingredients. 4, heap method. The stack width is generally 2 meters and the stack height is 1.6 meters. The length depends on the material and the size of the site. First compact the ground, then spread a layer of wheat stalks on the bottom as a ventilating bed (thickness about 26-30?). To ensure the ventilation in the heap, insert a wooden stick vertically at a distance of about 1 meter before stacking. Contact with the ground, pull out the stick after the stack, the remaining holes as a vent. The bed is then layered with material, typically 3 layers, 60 layers each, and 40 layers thick. A mixture of fine soil and urea is evenly sprinkled between the layers and the third layer. After stacking, use 3-5? mud seal or seal with plastic film. 5, signs of maturity. The color of the crop stalks when fully cooked is dark brown to dark brown, the stalks are very soft or mixed, the residue of the strains is not obvious, and the compost is squeezed out of the juice by hand to filter out colorless odors.
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