Middle-aged fruit trees applied fertilizer "five methods"

Base Fertilizer Application: When organic manure is applied in winter, zinc, iron, boron and other fertilizers are applied to the roots at the same time. The amount of each plant: zinc, iron compound fertilizer 200 to 250 grams, or 150 to 200 grams of zinc fertilizer, iron fertilizer 200 to 250 grams, 100 to 150 grams of boron fertilizer. Not only can the symptoms of deficiency of fruit trees be corrected during the year, but they do not have to be applied again for 3 to 5 years. Ring groove application: in the early spring in the vertical projection of the crown of fruit trees digging width of 30 cm, depth of about 40 cm ring groove, each with 200 grams of zinc, iron compound fertilizer, or 150 grams of zinc fertilizer, 200 grams of iron fertilizer, 100 grams of boron fertilizer was dissolved in water and poured into the ditch, which was then filled with soil. Perforate irrigation roots: In the spring, in the dense roots of the fruit trees along the tree around the roots, with iron rods to play 6 to 8 holes 0.5 meters deep, and then the micro-fertilizer, a small amount of water, dilute the aqueous solution and poured into the hole, The application rate of each plant is the same as above, and this method can be used for middle-aged and old fruit trees with obvious deficiency. Trunk coating liquid: The main trunk of the fruit tree was gently cut into a spiral with a knife, and 1% aqueous solution of trace fertilizer was applied to the whole body of the fruit tree with a brush 1 or 2 times. Foliar spraying: spray 0.3 to 0.5% trace fertilizer solution 3 to 4 times before flowering, fruit setting and physiological fruit drop, each time between 7 and 10 days. This method is mainly used for middle-aged fruit trees that are lightly nutrient-deficient.

Sap & Extract

Tongkat Ali,Chemical Raw Material,Raw Material

N&R Bio Industries Inc. (Xi'an) , http://www.sxgenistein.com