Rice straw is usually planted in the first 20 days before the wheat harvest and about 1 to 2 days before the wheat harvest. When the wheat straw is harvested in the field after harvesting, some of them are evenly covered in the noodles, and some are laid in the ditch.
The rice is planted about 20 days before the wheat harvest. After harvesting the wheat, the rice in the field has generally reached the 2nd leaf stage (usually the wheat straw is laid in the gully and returned to the field). It can be irrigated immediately after receiving the wheat. After 1 to 2 days of water withdrawal, the stem and leaf treatment agent is used to control the weeds in the field according to the grass phase. The medicinal agent can be quinclorac and its combination with bensulfuron-methyl or pyrazosulfuron-methyl. A compounding agent, or a compounding agent of penoxsulam and its cyhalofoprin. Spray in the field without water, rehydrate the next day after application, and keep water for about 1 week. For the field using penoxsulam and its mixed agent with cyhalofoprin, it is preferred to use butachlor or quinclorac with bensulfuron-methyl or pyrazosulfuron for 5 to 7 days after administration. The compounding agent is subjected to soil sealing treatment.
1 to 2 days before the wheat harvest, it is best to spread the straw into the ditch after the wheat harvest (if the field has weeds, you can use glyphosate, paraquat spray to kill), water and keep the melon "Pipi", when the rice seeds germinate, after the roots are tied, drain the field water, spray the propionamide suitable for use in the seedlings after direct seeding in the direct seeding rice field and its compounding agent with bensulfuron-methyl or pyrazosulfuron-methyl (When there are grass weeds in the field in the field, you can use the appropriate amount of propidium to kill the young grass). After the 2-3 leaf stage rice grass field foliar treatment according to the treatment phase.
After the wheat harvest straw spread evenly Qimian, soil pre-blocking treatment is difficult, can be considered basically a homogeneous grassy weeds in the field, it is in the 5 leaf stage before, according to the choice of treating stems and leaves and grass weed controlling, agents can also choose quinclorac and benzyl or ethyl and imazosulfuron compounding agents, or five florasulam and the like mixed with the cyhalofop.
Aluminum Oxide Dry Abrasive Paper
Stearate coated dry abrasive paper is one kind of abrasive paper products, usually in sheet shape, also can be customized according to customers' request.
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Grain: Aluminum oxide.
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Grit: 60-80-100-120-150-180-220-240-280-320-360-400-500-600-800-1000-1200-1500-1800-2000
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