May 19, 2024

Pesticide fertilizer is skillful and complex, efficient and saves money

Recently, the Ministry of Agriculture proposed to achieve zero growth in the use of pesticides for major crops by 2020, and requires the use of pesticides to reduce the amount of efficiency. In order to achieve the goal of reducing pesticides and increasing efficiency, Xiaobian will now match some pesticides and fertilizers in China. Tips for everyone!

Urea + preparation

Urea is not only a commonly used high-quality fertilizer, but also has a certain insecticidal effect.

1 urea and washing powder preparation:

Use 0.5-0.7 kg of urea per acre, 125 grams of neutral detergent, and fully dissolve with 50-60 kg of water to spray on the foliage. It can control a variety of pests such as aphids, red spiders, and cabbage caterpillars on various crops such as grain, cotton, vegetables and fruit trees. Spray once every 7-8 days, spray 3 times in a row, the control effect can reach about 95%. At the same time, it also plays a role of topdressing, which can increase crop yield by more than 10%.

2 urea and dichlorvos preparation

Use 80% dichlorvos 25 ml per acre, 0.5 kg urea, add 50 kg of water, mix evenly, and spray on the surface of the chewing mouth pests and sucking on vegetables, fruit trees, grains, cotton, tea, flowers and other crops. The pest of the mouthparts has a powerful quick killing effect. The control effect on aphids, red spiders, cabbage caterpillars, bridge-building insects, whitefly, and peach insects is as high as 95%. It can be controlled once every 6-7 days, and it can be controlled 3 times in a row. It can receive 50% of pesticides and 10% of crops. Because dichlorvos has phytotoxicity to sorghum, it cannot be used; it is sensitive to melons and beans, and should be used with caution.

3 urea and dimethoate preparation

40% dimethoate 50ml per acre, 0.5kg urea, 60kg water, evenly mixed, sprayed on the foliage, can control aphids, thrips, and stalks on vegetables, fruit trees, flowers, grains, cotton and other crops Various pests such as flies have a good effect and have obvious effects on increasing yield.

Phosphate fertilizer dilution

According to the cotton bollworm's spawning, the oxalic acid secreted by the cotton plant can attract it to lay eggs, and its fear of phosphorus in the face of phosphorus. During the spawning of cotton bollworm, 2% superphosphate solution, or 300-400 times of potassium dihydrogen phosphate solution, which is filtered to remove the residue, is sprayed on the top of the cotton plant, spraying 50-60 kg per mu. It is necessary to spray 8-10 rows per line, leaving 4 rows without spraying, driving the cotton bollworms to concentrate on the unsprayed cotton plants to lay eggs, and then spraying the eggs with a liquid solution such as chlorpyrifos and insecticidal effect. Strain can get twice the result with half the effort.

These preparations can not only effectively control pests and diseases, but also exert fertilization effects. It can be described as "one arrow and two sculptures", and the prevention and control of pests and diseases and fertilization are completed once, saving a lot of labor. At the same time, these preparations should be used with the preparation and should not be stored. It should be sprayed from 4 pm to no evening in the absence of strong winds; the spraying should be meticulous and thorough, so that the whole plant is evenly immersed. Strict use range, dosage, and concentration should be used to avoid phytotoxicity or fertilizer damage and ensure good results.

More pesticide knowledge , please pay attention to China Pesticide Network

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