First, the choice of fertilizer site. The fertilizer-making site should be flat, close to the leeward sun of the water source, and can be made in the open air all year round.
Second, the preparation of fertilizer materials (take 1 ton of dry straw as an example). 1 crop straw 1000 kg. 2 cake powder 20 kg. Peanut cake, bean cake, cottonseed cake, rapeseed cake, etc., no cake powder can be replaced with 10 kg of urea. 3" Kent Green" fast fermenting bacteria 1 kg.
Third, the production method. 1 Crop straw (such as corn stalk) is crushed with a pulverizer or cut with a mower. The general length is 1-3 cm (wheat straw, straw, leaves, weeds, peanut mites, bean stalks, etc. can be directly used for fermentation, However, the fermentation effect is better after pulverization). 2 The smashed or cut straw is wetted and infiltrated with water, and the moisture content of the straw is generally controlled at about 70%. 3 Mix 20 kg of cake powder with 1 kg of bacteria, and evenly spread the cake powder mixed with the bacteria on the surface of the straw with water. Use a tool such as a spade to mix it over and stack it into strips that are 2 meters wide, 1.5 meters high, and unlimited in length. Cover it with a plastic sheet.
Fourth, the straw corruption process. 1 warming phase: from normal temperature to 50 ° C, generally only one day. 2 high temperature stage: generally only 2 days from 50-70 °C. 3 cooling stage: from high temperature to below 50 °C, usually about 10 days, at this time the straw fertilizer production process is basically completed, the fertilizer can be directly applied.
5. Straw fat decomposing mark. (1) The straw turns brown or dark brown. It is soft and elastic when held by hand, and is brittle and easy to break when dry. (2) After decomposing, the pile collapses by 1/3 or 1/2 compared to the pile.
Sixth, the application method of straw fertilizer. (1) Straw fertilizer is generally used as a base fertilizer and can be applied moist. Do topdressing should cover the soil. Semi-composted fertilizer is applied to crops with long growing season, straw fertilizer with high maturity is applied to crops with shorter growth period, fruits and vegetables, sandy semi-fermented fertilizer, and clay is best applied with high maturity. fertilizer. (2) The organic matter in the straw fertilizer is very rich, the nitrogen, phosphorus and potassium nutrients are relatively balanced, and also contains various trace elements. It is a common fertilizer suitable for various crops and various soils, and has a remarkable effect of improving product quality and increasing yield.
Second, the preparation of fertilizer materials (take 1 ton of dry straw as an example). 1 crop straw 1000 kg. 2 cake powder 20 kg. Peanut cake, bean cake, cottonseed cake, rapeseed cake, etc., no cake powder can be replaced with 10 kg of urea. 3" Kent Green" fast fermenting bacteria 1 kg.
Third, the production method. 1 Crop straw (such as corn stalk) is crushed with a pulverizer or cut with a mower. The general length is 1-3 cm (wheat straw, straw, leaves, weeds, peanut mites, bean stalks, etc. can be directly used for fermentation, However, the fermentation effect is better after pulverization). 2 The smashed or cut straw is wetted and infiltrated with water, and the moisture content of the straw is generally controlled at about 70%. 3 Mix 20 kg of cake powder with 1 kg of bacteria, and evenly spread the cake powder mixed with the bacteria on the surface of the straw with water. Use a tool such as a spade to mix it over and stack it into strips that are 2 meters wide, 1.5 meters high, and unlimited in length. Cover it with a plastic sheet.
Fourth, the straw corruption process. 1 warming phase: from normal temperature to 50 ° C, generally only one day. 2 high temperature stage: generally only 2 days from 50-70 °C. 3 cooling stage: from high temperature to below 50 °C, usually about 10 days, at this time the straw fertilizer production process is basically completed, the fertilizer can be directly applied.
5. Straw fat decomposing mark. (1) The straw turns brown or dark brown. It is soft and elastic when held by hand, and is brittle and easy to break when dry. (2) After decomposing, the pile collapses by 1/3 or 1/2 compared to the pile.
Sixth, the application method of straw fertilizer. (1) Straw fertilizer is generally used as a base fertilizer and can be applied moist. Do topdressing should cover the soil. Semi-composted fertilizer is applied to crops with long growing season, straw fertilizer with high maturity is applied to crops with shorter growth period, fruits and vegetables, sandy semi-fermented fertilizer, and clay is best applied with high maturity. fertilizer. (2) The organic matter in the straw fertilizer is very rich, the nitrogen, phosphorus and potassium nutrients are relatively balanced, and also contains various trace elements. It is a common fertilizer suitable for various crops and various soils, and has a remarkable effect of improving product quality and increasing yield.
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Non-tapping screws are machine Screw, the pieceworker to be fastened must be tapped with taps in the screw hole in advance to match the screw threads.
The difference between tooth screws and other screws depends on whether they can be used together with nuts. Tooth screws can be used with nuts. And relative to the screws of other teeth, there are self-tapping screws. The nut of this kind of screw has no bow teeth. As for the standard teeth and fine teeth are only different pitch, it is the nut of the machine screw
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