Spring pear orchard management points
1. Pruning: Pruning of branches of pear trees is continued to regulate growth, which is conducive to ventilation and light transmission. 2. Apply fertilizer to pear tree before flowering: Apply fertilizer immediately before pear tree flowering, quickly increase the nutrient level of the tree body, promote the tree vigor, and improve the stress resistance of the flower bud, so that the new shoots and flower buds can be pumped out. robust. Pollen activity, pollination and fertilization, high fruit set rate. The specific practices are as follows: Before the flowering buds of pear trees begin, they are generally used for 5-10 days before and after the beginning of spring, before the application of fertilizers, mainly organic fertilizers, phosphorus and potash fertilizers, and fruit trees over 5 years old. 15-20 kg of poultry manure, 1 kg of cooked peanut meal and 1.2-2 kg of potassium dihydrogen phosphate. Under the canopy, dig 6-8 radiation grooves 15-20 cm deep, 30-40 cm wide and 80-100 cm long. After the fertilizer is fully mixed, mix it with the excavated mud and fill it in the ditch. However, after fertilization and drought, it must be 60-80 kilograms of clear water for each tree to promote the transformation of fertilizer dissolution, supply root absorption and utilization, and increase fertilizer absorption and utilization. In addition, in the flower bud stage, spray 2-3 times with 0.1% magnesium sulfate, 0.1% borax, 0.3% urea, 0.5% potassium dihydrogen phosphate mixture. 3. Reasonable Intercropping: It is forbidden to plant high pole crops in pear gardens. Only green manure crops and dwarf crops (such as soybeans, mung beans, and peanuts) can be grown. 4, Baohua Baoguo: The fundamental measure for the preservation of fruit is to strengthen the management of soil, fertilizer, water, and pest control. In addition can take the flower spray 0.2% -0.4% borax or 800 times vinegar semen, put the bees, hanging twigs, artificial pollination, shake the trees in the rain after the fog, Xiehua Wangshu, Wang branch after the ring cut and other measures. 5, pest control: before flowering and after Xiehua with 800 times of freshwater, 600 times Xiansheng, 25% carbendazim 300 times, powder rust 1500 times pear rust, pear black disease, pear black Heart disease, pear brown spot, and flower rot are treated for 2-3 times in a row and every 10-15 days. With 30% trichlorfon 800 times, 2.5% enemy killed 3000 times to control pear borer, pear caterpillar, pear stem bee; with 40% dimethoate to control pear aphids.