Round nut is a kind of large fastener, which is widely used in hydraulic oil cylinder and railway internal combustion engine equipment, so the relevant performance is also important. If the round nut is of good quality, it can save the cost of locomotive maintenance and reduce the labor intensity of maintenance workers. Round Nut,Round Coupling Nut,Round Head Nut,Round Cap Nut Jiangsu Jiajie Special Screw Co., Ltd , https://www1.jiajiescrewcompany.com
Fertilizing fruit trees varies from tree to tree
Rational fertilization of fruit trees is the basis for strong trees, disease resistance, high yield, and stable yield. 1 to 3 years old saplings each application of nitrogen and phosphorus compound fertilizer 0.2 ~ 0.4 kg, generally in the distance of about 30 cm from the rhizome to open the ditch, the depth of 15 ~ 20 cm. The fruit trees in the initial fruit stage are applied with 0.5 kg of urea or 1 to 1.5 kg of superphosphate, 0.8 to 1 kg of nitrogen and phosphorus compound fertilizer, and the ditch is 0.8 to 1.2 m from the rhizome. The depth is 30 to 40 cm. The amount of fertilizer applied to the fruit trees in the fruiting period should be determined by the yield. Generally, 0.05 kg of fertilizer is applied per 1 kg of fruit. The position of the ditch is determined by the size of the crown. The vertical point of the outer diameter of the canopy and the ground is the best ditching position. It should be applied in the east, west, south and north. The depth of fertilization depends on the location of the ditch and the distance from the rhizome. The closer the distance, the shallower the depth. Under normal circumstances, the fertilization position is 1 cm from the rhizome and the depth is 30 cm. When the distance is increased by 1 m, the depth should be increased by 10 to 15 cm. It is better to combine watering when applying fertilizer.
ã€Comment】 ã€Print this article】 ã€Close this page】 ã€Large, medium and small】