In mid-March, the temperature began to rise and the pests began to move. During this period, fruit trees such as apples, pears, and peaches had not yet germinated. They could spray once-daily pesticides, eradicate overwintering pathogens, and eliminate cockroaches, cockroaches, borers, and scale insects. The apple tree completely scraped off the apple tree rot and ring spot, and sprayed 40% methine WP 100 times before germination. For the prevention and control of various diseases and insect pests, it is possible to spray once with 5 Baumide Lithosulfur, 50% Sulphur Suspension 100x, and Corbex 100x. In order to control overwintering and pupa, you can spray 4%-5% diesel emulsion. Diesel emulsion can be prepared according to the following methods: take 1 kg of diesel oil and water, soap 60 grams, first chopped soap, dissolved in water to heat, while heating the diesel in hot water to 70 °C, and then heat well The diesel oil was slowly poured into hot soapy water, stirred while stirring, and stirred thoroughly to make a 48.5% diesel emulsion. Pear and peach trees can be sprayed with 3-5 Baume degrees lime sulfur, 50% sulfur suspension 200 times, and 4%-5% diesel emulsion, and the base of the tree and surrounding soil should be sprayed. . Peach trees germinate earlier. In order to prevent freezing damage, 1000 times of fulvic acid salts can be mixed in the above-mentioned liquids. YT-S350 Rechargeable Hearing Aid,BTE Hearing aid,analog Hearing aid Shenzhen Sunshine Technology Co.,Ltd , https://www.szyatwin.com