Technical Tips for Prevention and Control of Rice Planthoppers
The appropriate period of prevention and control will be implemented immediately before and after September 10th, and the pests will be treated as soon as possible after one week. The late-maturing single-season rice along the Huaibei and Jianghuai rice areas was controlled and the double-season late rice and single late rice along the Yangtze River were controlled. The prevention and control indicators of 100 young nymphs and more than 1,000 nymphs. Prevention techniques include paddy field blocks, prevention and control of newly hatched nymphs, 25% mu ciprofloxacin 80 g + 40% chlorpyrifos 100 ml (or 48% larvae 80 ml); prevention of middle and senior instar nymphs, mu 40% chlorpyrifos 120 ml ( Or 48% Music 100ml) + Silk Run 15~20g. When applying pesticides, the amount of water should be sufficient, the water consumption of late-maturing single-season japonica rice should be no less than 60 kg for manual sprayers and not less than 30 kg for motorized sprayers; the water consumption per mu for late-season rice must be not less than 40 kg. No less than 15 kilograms of motorized sprayers are sprayed on the middle and lower parts of rice, and the field is kept in shallow water for 3 to 5 days after field application. Anhydrous plots, with 80% dichlorvos (300ml) and dry wet sand (earth) of 15-20kg, were distributed on sunny days between noon and 14:00. This product contains two packs of 100 pH strips, 200 strips in total. Each strip is made of premium grade litmus paper intended for universal application. To test the pH of a solution simply dip the pH strip into your solution and the strip will change color.With Ph Test Strips, you can test the pH value quickly and easily directly at the point of interest. The strips are ready to use at any time and don`t need any calibration, set-up or maintenance. Therefore, pH determination with pH-Fix test strips is very easy, regardless of your experience or chemical background. Ph Test Paper,Ph Test Strips,Accuracy Ph Test Paper,Ph Paper 4.5-9.0 Changchun Medicon Technology Development Co., Ltd , https://www.jlmdk.com