The iron deficiency of apple trees is prone to mosaic disease, and the products currently sold on the market are mainly ferrous sulfate, and there are many errors in their use.
Misunderstanding 1: Blade spraying. With a concentration of 0.5%, the leaves of fruit trees will have spots and the zoom will produce undesirable symptoms.
Misunderstanding 2: Root application. Because the iron element in iron sulphate is divalent iron ion, the ferrous sulphate becomes ferric sulphate after being applied to the soil, and the iron element is changed from divalent iron ion to trivalent iron ion, which is easily fixed by the soil and has almost no effect.
The correct application method: ferrous sulfate is formulated to a concentration of 0.5%, suspended in a glass bottle on a branch, and a small mouth is opened along the lower trunk, and is injected with a dropper. The cost is low and the effect is good.
Skateboard Anti Slip Tape
We produce different kinds of skateboard grip tape, such as OS780, 80AB, 100AB. According to different demands of our customers, we use different base materials such as PP, PVC, Eco friendly PVC, PET, also can planted them with different grits such as carborundum, emery, aluminum oxide grit, glass sand, etc. We do customized sizes such as 9"x33", 240x1200mm, 210mmx820mm, and other sizes. We can die cut it to different special shapes for the grip tape, also can add vent hole on it. The most important thing is we have the most advanced printing machine which support customized printing on the surface and with very bright colors.
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Kunshan Jieyudeng Intelligent Technology Co., Ltd. , https://www.jerrytapes.com