Glyphosate chemical name glycine glycine, referred to as phosphinic acid. Glyphosate is a high-efficiency, low-toxic, non-polluting, broad-spectrum herbicide. Glyphosate began to be effective one week after use, and the ground part died dry for 10-15 days. The browning of the lower part became brown rot in about 1 month, and the herbicidal effect reached 100%. It is safe for humans, animals, bees and birds. It is a herbicide herbicide suitable for dryland to control all kinds of annual and perennial weeds. In recent years, the use of 10% glyphosate water to control orchard weeds has achieved good results. Through the systemic conduction of the green tissue on the ground, the whole weeds, including the ground green leaves and the underground roots, are completely rotted, which is an orchard herbicide commonly used by the majority of fruit farmers. However, while the fruit farmers use glyphosate in large quantities, they also cause unnecessary losses to the orchard due to improper operation.
First, the use of glyphosate for weeding several times during the year, if improperly operated, infiltrated into the soil, causing damage to the underground roots of the fruit trees, resulting in malnutrition in the upper part of the earth, yellow leaf phenomenon, weak tree, affecting the germination, flowering and seating of the fruit trees in the following year. fruit.
Second, the use of glyphosate in orchards can also cause zinc deficiency in the soil. Glyphosate ionizes anions in aqueous solution and reacts with zinc in the soil after entering the soil, hindering the absorption of zinc by the roots, thereby causing fruit trees to exhibit lobular disease. The symptoms of zinc deficiency caused by the abuse of glyphosate occur in both apple trees and peach trees, and severe cases have endangered tree life.
Third, how to use glyphosate? The use of glyphosate should be applied after the weeds are unearthed and have a certain leaf area (the leaf covers the mulch film is best) and can be attached with sufficient dose. Glyphosate weeding is carried out by the leaves from the stem to the roots, causing the roots to rot, thus completely eradicating the weeds. If the leaf area is small and the amount of absorbed medicine is insufficient, it will only be half the effort. In addition, combined with the weather forecast, spray in the rainless weather to avoid the liquid into the soil.
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