Quincic acid is commonly used as an acaricide in rice fields. In recent years, the control effect of this drug on barnyardgrass has declined, and the accidents caused by drug injury are frequent. Among these factors, in addition to the increased resistance to grasses, there are also weather and seedling quality factors. Wild old rice hair 60% quinacrynic acid WP has the advantages of high content, good control effect, etc. The safe use of paddy fields is to achieve "four to four, four not to apply." Fourth, according to the seedlings, grass conditions, weather and soil conditions and other flexible application methods. (1) look at the situation. The seedlings were applied before the jointing stage from the second leaf to the second leaf stage, and it was unfavorable to apply the pesticide when there were many yellow rice and black roots in the field. (2) Look at the grass condition. Herbicides use low doses below the 4-leaf stage and weak resistance fields; otherwise, high doses can be used. (3) Look at the weather. In case of continuous rain, the temperature is below 15°C and no pesticide is applied. (4) Look at the soil. The amount of land used in clay is higher, and dry land is used after rain or irrigation. After draining the field water, medication is applied and the water is rehydrated 24 hours after application. The water layer cannot drown. 4. Do not apply a lot of omeprazole to the plots. Do not apply too much water in the field. Do not apply chloroquine in the plots used earlier. The concentration of the liquid should not be too high. The water consumption per mu should not be less than 30 kg.
Anaesthetics Laryngoscope,Laryngoscopy Anesthesia,Portable Video Laryngoscope ,Beam Illuminated Laryngoscope
Jiangsu Yongle Medical Technology Co., Ltd. , https://www.jsylmedical.com