To ensure the effect of fertilization of the gold leaf foliar fertilizer
First, the spraying concentration should be within a certain concentration range.
The speed and quantity of nutrients into the leaves increase with the increase of solution concentration, but the concentration is too high and it is prone to produce fertilizer damage. Especially for trace element fertilizers, the critical range between crop nutrient deficiency and excess is very narrow, and it should be strictly controlled. There are also Jinbao leaf fertilizers containing growth regulators, which should be sprayed strictly according to the concentration requirements to prevent improper control and harm. Different crops have different concentrations of different fertilizers. Taking urea as an example, the suitable concentration is 1.5%-2.0% for rice, wheat and other gramineous crops, 1%-1.5% for radish, cabbage, cabbage, and cucumber, and 0.5% for potato, watermelon, and eggplant- 0.8%, apple, pear, grape, tea on the concentration of 0.5%, onion, tomato, greenhouse cucumber concentration of 0.2% -0.3%.
Second, spray time should be appropriate.
The amount of nutrient absorption in the leaves by the Kappa foliar fertilizer is related to the length of time the solution wets the leaves. The longer the moisturizing time, the more nutrients the leaves absorb and the better the effect. Under normal circumstances to maintain the leaf wet time in 30-60 minutes is appropriate, so Kappa foliar fertilizer is best carried out in the evening windless weather; spraying fertilizer in the morning with dew, will reduce the solution concentration, affect the effect of fertilization . Before the rain or rain, it is not possible to carry out fertilizer fertilizer on the gold leaf foliar, because the nutrients are easy to be leached and fail to function properly. If the rain falls 3 hours after the spray, it should be sprayed once when it is sunny, but the concentration should be reduced properly.
Third, spray should be uniform, detailed and thoughtful.
Kappa foliar fertilizer fertilization requirements of small droplets, spray uniform, in particular, pay attention to the growth of the vigorous growth of the upper leaves and leaves of the back, because the new leaves than the old leaves, the back of the leaves than the front to absorb nutrients faster absorption ability. Especially for fruit trees such as peaches, pears, persimmons, apples, etc., the front of the cuticle of the leaves is 3-4 times thicker than the back, and more attention should be paid to the back of the spraying blades to facilitate absorption. Therefore, when applying the fertilizer to the fertilizer, the front and back sides of the leaf should be sprayed as carefully as possible.
Fourth, the number of spraying should not be too small, there should be intervals.
The nutrient concentration of Kappa foliar fertilizer is generally low, and the amount of absorption per time is very small, which is much lower than the demand for crops. Therefore, the amount of fertilization of Kumba leafy fertilizer should not be less than 2-3 times. As for the nutrients (such as iron, boron, calcium, phosphorus, etc.) that have little or no mobility in the crop, more attention should be paid to increasing the number of sprays. When spraying Jinbao leaf fertilizer with conditioner, attention should be paid to the interval of spraying, the interval should be at least one week or more, the number of spraying should not be too much, to prevent improper regulation and cause harm.
Fifth, Kumoba foliar fertilizer mix should be properly.
When kappa foliar fertilizer is applied, two or more kinds of kumoba foliar fertilizers can be rationally mixed, which can save spraying time and labor, and its effect on production increase will be more significant. However, after the fertilizers are mixed, they must have no adverse reactions or do not reduce the fertilizer efficiency, otherwise they cannot achieve the purpose of mixing. In addition, when the fertilizer is mixed, it is necessary to pay attention to the concentration and the pH of the solution. Under normal conditions, the pH value of the solution is about 7 in the neutral condition to facilitate the absorption of the leaves.
6. Add humectant to the fertilizer solution.
There is a layer of thick and thin cuticles on the leaves of the crop, and the solution is difficult to penetrate. For this reason, an appropriate amount of wetting agent such as neutral soap, good quality detergent, etc. can be added to the leaf fertilizer solution to reduce the solution. The surface tension increases the contact area with the blade and improves the effect of fertilizer on the surface fertilizer. When purchasing the golden foliar foliar fertilizer, the types and functions of the gold leaf foliar fertilizer indicated on the packaging should be noted so that the purpose of applying the golden leaf foliar fertilizer is the same as that of the gold leaf foliar fertilizer; Whether the products have been registered by the Ministry of Agriculture with the Golden Fortune Fertilizer Fertilizer Registration No. and the product standard certification No., to ensure the quality and application effect of the Golden Lobe foliar fertilizer.
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