Can corn and soybeans be applied once?

Generally speaking, one-time fertilization is not recommended. It is feared that one application of more nitrogen fertilizer will result in prolonged growth in the early stage and later defertilization. But if there are mechanized sowing and fertilization conditions are possible. For corn, the high-nitrogen type compound fertilizer can be applied at a depth of 40~60 kg per mu, and applied to the soil layer at different depths below the seed side, about 1/4 in the shallow layer and 3/4 in the deep layer, so that the At the seedling stage and in the middle and late stages, sufficient nutrients can be obtained. For soybeans, 30 to 40 kg of low-nitrogen or general-purpose (lean) compound fertilizers can be mechanically applied to soil layers of 10 cm or more in depth, with shallow layers accounting for about 1/3 and deep layers accounting for about 2/3. 3. If there are signs of defermentation in the later period, apply appropriate amount of urea or spray foliar fertilizer.

Stainless Steel Padlock High Security Padlock

Stainless Steel (Stainless Steel) is referred to as acid-resistant stainless steel, resistance of air, steam, water and other weak corrosive medium or stainless steel having resistance as stainless steel; and the resistance to chemical corrosion medium (acid, alkali, salt and other chemical leaching pitting) corrosion of steel known as acid-resistant steel. As the two differences in the chemical composition of leaving their corrosion resistance is different from ordinary stainless steel general impatience chemical corrosion, and acid-resistant steel are generally of a stainless steel.

So now stainless steel padlock with his unique quality, it won a lot of the market, particularly in Europe, is located in the cold zone countries.

About us

Shengping Safety Protection Locks Manufactur, create to set up in 1989, is an enterprise specialized in the manufacture of different kinds of locks. We have obtained quality system authentications as ISO9001-2000 International Quality Control System Attestation,and we have obtained self-operation export and import right etc. According to many years of producing and R&D experience, we produce locks more than 100 kinds of specification with different kinds of raw materials & styles. Moreover, we can do customized work as per clients`designs.

Bearing the sense of [quality gets victory", our products are popular in domestic market; and with the fame of our product`s [good quality and best prices", we have increased our export all over the world. Now our product lines are mainly for export.

We tightly hold the quality control system, follow the contract, and keep faith and valued mutual benefit. We sincerely welcome customers home and abroad and our craft brothers to develop and flourish the locks market.

Stainless Steel Padlock,Security Stainless Steel Padlock,Circle Steel Padlock,Disc Stainless Steel Padlock

Shengping Safety Protection Locks Manufacturer , https://www.chinajiuzhou.com