The pests and diseases that damage wheat before winter are mainly underground pests, wheat yellow dwarf disease, and clump dwarf disease. At the same time, during this period, it is also the infection period of wheat-etching and sheath blight, and comprehensive measures should be taken for prevention and control. For the control of underground pests, 40% methyl isoflavone 1500 times liquid can be used to water the ridge; to control the total erosion and sheath blight, 20% of the powder rusting emulsifiable concentrate 100g or 15% powder rusting 150g per acre, 75kg of water , Shunmai ridge sprinkler irrigation; wheat yellow, plexus dwarf disease occurs in heavier plots, can spray 40% of 1,500 times liquid milk 1500 times on wheat and weeds within 5 meters wide inside and outside the wheat field, in order to eliminate Media such as mites and Laodel. Wheat fields with more weeds can be removed with chemical herbicides. In addition, it is strictly prohibited to graze indigo. Livestock and poultry indigo can greatly reduce the area of ​​green leaf of wheat, seriously affecting the manufacture and accumulation of photosynthetic products, affecting tillering, and reducing production.
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U Bend Tube are produced by bending from straight steel tubes,so,is also called U Bend Steel Tube,and with length over 12000mm.
and are commonly used in heating or cooling process fluids and gas,.
Material:
Stainless Steel
Duplex Stainless Steel
Carbon Steel
Alloy Steel
Applications for:
Boilers
Shell & Tube Heat Exchangers
Heat Exchangers
Cooling Systems
Cold Condensors
Condensor Steam
U Bend Tube
U Bend Tube,Steel U Tube,U Bend Pipe,Heat Exchanger U Tube,U Bend Steel Tube
Torich International Co.,Ltd--The Steel Tube Maker , http://www.chinasteeltubepipe.com