Clever application of phosphate fertilizer six methods

First, deep application: Phosphorus fertilizer is poor in water solubility, and its mobility in the soil is small. Therefore, the phosphate fertilizer must be applied in deeper layers of the root system. The deep application can be carried out when the wheat is harvested deep in the field, or it can be applied to the soil when the wheat is sown in deep tillage, both as a base fertilizer and as a seed fertilizer. The depth is 13-24 cm. Second, concentrated application: concentrated phosphate fertilizer, can reduce the contact surface with the soil, is conducive to the absorption of the root. Using calcium sulphate as a seed fertilizer, or sticking roots, the yield increase effect is very significant. The amount of 2.5 to 5 kg, Pu calcium with 2 to 3 times the water can be mixed. 3. Stratified application: This method is a fertilization method adopted for the small mobility of phosphorus in the soil. Generally, 3 to 5 centimeters can be applied at the seedling stage, and it can be well applied to the soil of 10 to 15 centimeters in the middle and later stages. Where conditions permit, topdressing should be accompanied by watering. Fourth, with the application: the application of phosphate fertilizer and nitrogen fertilizer, nitrogen fertilizer and phosphorus fertilizer ratio should be determined based on soil strength, the general soil nitrogen, phosphorus ratio of 3:1 or 2:1. Fifth, mixed application: Among all nitrogen fertilizers, the combination of Pu-calcium and carboammonium is the most ideal. Because they are mixed, ammonium bicarbonate is easily decomposed, and the released ammonia can be rapidly absorbed by the acid in the calcium preservative to form ammonium phosphate and ammonium sulfate, which not only reduces the acidity of the crude calcium, but also prevents the volatilization of ammonia. However, it also causes "phosphorus degradation." Therefore, apply immediately after mixing. The ratio of ammonium bicarbonate to normal calcium, moderate soil fertility was 6:5, and severe phosphorus deficiency was 1:1. Six, foliar spray: The general application of the solution concentration is 2% to 3%, about 100 kg per acre spray. Note that the superphosphate should be soaked overnight with water, and the residue should be filtered off and sprayed on the back of the leaves with clear liquid in the afternoon on a sunny day. The spraying time is generally performed before the heading of the crops and after flowering, and the wheat, corn and rice can be increased by spraying phosphorus. The 1000-grain weight of the crop is better in phosphorus-deficient soils.

Most Tattoo Needles are made of some grade of stainless steel. Surgical stainless steel

is very common in tattooing needles. There are four main types of needle groupings. Some have one

specific use and others can vary depending on how the artist is using it. Tattoo Needles that we carry

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shader needles (loose), and tattoo curved magnum needles. Our professional tattoo needles are used

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explanation of the needle categories and how you can use different types of needles.

Curved Magnum Tattoo Needles

Curved Magnum Tattoo Needles,Rm Tattoo Needles,Round Magnum Tattoo Needles,Magnum Curved Shader Tattoo Needles

Redtop Tattoo Supply Co., Limited , http://www.redtop-tattoo.com