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At present, in the agricultural production, the application of foliar fertilizer is still very extensive, and people often used it to call it “the icing on the cake†fertilizer, mainly because it can promote the growth and development of crops, so that the crops can obtain high quality and high yield, as long as Correct and reasonable application of foliar fertilizer can generally increase production, and the yield can reach 10-15%. Farmers' friends must pay attention to the following aspects when purchasing and applying foliar fertilizer:
1. Choose foliar fertilizer with high quality and low price and ideal effect. When purchasing, pay attention to whether the internal and external packaging is consistent, and whether the three certificates are the production license, the product registration certificate, and the quality certificate are complete, and whether it is within the validity period.
2. Don't be greedy and ask for more. In actual operation, do not put several kinds of foliar fertilizer together, do not spray this today, and spray it tomorrow. The application of foliar fertilizer does not have an additive effect, and even more spray effects may affect each other. In general, one or two applications should be selected depending on local conditions.
3, can not replace fertilizer with foliar fertilizer. Although the excellent foliar fertilizer has obvious obvious effect of increasing yield, and it also has a certain promoting effect on the improvement of crop quality and the improvement of stress resistance, it can only be used in high-yield supporting measures such as sufficient supply of fertilizer and water, good control of pests and diseases. Based on the comprehensive effect. Therefore, foliar fertilizer and NPK fertilizer should be taken into account.
4. Master the application method. Foliar fertilizer is generally sprayed on the foliar surface, supplemented by soaked seeds. Spraying should be in accordance with the optimum concentration of the variety used (refer to the instruction manual), in the crop growth transition period, in the sunny
Before 10 o'clock in the morning or after 4 o'clock in the afternoon, spray evenly on the leaves, stems and ears of the crop. Do not arbitrarily increase the dosage and increase the application concentration, which will not only cause waste, but even negative effects. When spraying, it is required to be fully dissolved, and it can be used as needed, and avoid strong sunlight evaporation or rain and leaching.
5, pay attention to save, prevent failure. Foliar fertilizers are generally valid for less than 2 years and should be used as soon as possible within the validity period. When not in use, keep it in a cool, dry and ventilated place.
From: Daily News Author countryside: Wang Qiang
Foliar application of fertilizer is a cost-effective fertilization method. Foliar fertilizer contains a variety of nutrients, sometimes mixed with pesticides, so spraying foliar fertilizer can supply nutrients needed by crops in time to promote crop growth. To achieve strong seedling, disease resistance, sterilization, increase production and improve quality.
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