Speaking of agricultural crop production, it is naturally inseparable from fertilization management. Whether it is traditional agriculture or green production, it has a close relationship with fertilizer. At present, although fertilizer technology has made long-term progress, and various new types of high-quality fertilizers on the market are also emerging, helping farmers a lot. However, it is really difficult to control the fertilizers. Many people can't grasp the main points, so that crop damage can occur. In fact, the fat damage is far more terrible than the phytotoxicity. Then what should be paid attention to when crops are being fertilized to avoid fat damage? What should I do if I suffer from fertilizer? Let's take a brief look at it.
Crop fertilization considerations
1. Fertilization is the least likely to cause fat damage
The method of applying fertilizer is the most different way to produce fertilizer, but when applying urea, be careful not to contact the roots and the trunk. Because urea is easy to damage the roots, it is necessary to grasp the amount when the whole garden is applied. You can choose 5-10 kg per acre after heavy rain or before the rain. Do not overdo it.
In addition, in the use of compound fertilizer, it depends on the specific period of the crop, usually about 50 kg per acre. For organic fertilizers, the method of spreading can also be used, but because the organic fertilizer is slow, it can slowly release nutrients into the soil along with the rain.
2, water and fertilizer and foliar fertilizer
Water and fertilizer and foliar fertilizer are the two most fertilized periods that are most prone to fattening, so extra care must be taken when applying water and fertilizer and foliar fertilizer. Especially in the fruit color ripening period or other sensitive periods, such as the citrus fruit sensitive period, the use concentration of the fertilizer should be minimized or not used.
In addition, when using fertilizers such as potassium dihydrogen phosphate, magnesium sulfate, and urea, it is necessary to strictly control the concentration, and never exceed 0.1-0.3%. If mixed with a variety of fertilizers, the total salt concentration should not exceed 0.7%.
Fertilizer treatment
1. Remove the fertilizer in time, and gather it in the roots as soon as possible to remove the fertilizer and avoid root damage.
2, watering water, think of ways to dilute the fertilizer concentration.
3. If you encounter nitrogen fertilizer, you can use the lime powder to convert the nitrogen into ammonia and volatilize it. Then, after rooting for 1-2 days, wait until the tree is stable, and clear the decaying roots.
4, cultivate fresh soil, and shed some humic acid to promote new roots, which is conducive to prevention and control of fertilizer damage.
The above is about the related content of the fat damage. In general, fat is not a disease, but it is the most "death", spending money to buy fertilizer, money spent hurting the crop, I believe no one would like to see this phenomenon. Therefore, it is recommended that farmers' friends must strictly abide by the guidelines for the use of fertilizers, and do not over-fertilize in order to pursue their interests, and they must not increase the concentration.
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