1. Zhuang Shufang is ill:
(1) reasonable burden: The basis establishs the birth state of body and fertilization standard, decide likely outcome is measured, do not make the burden that establish system overweight, should not pass for near future interest to be adopted more more pull branch, annulus to pare wait for the measure that increases result amount. Want fruit thinning of proper flower thinning, accomplish a result to grow tree neither by accident.
(2) add fertilization water: To area of northward and broad pear, commonner phenomenon is to lack lucrative post water. In fertilization, should notice to add apply organic fertilizer, the attention adds the fertilizer that apply phosphor, potash fertilizer and microelement fertilizer; Slant more nevertheless at the same time apply nitrogenous fertilizer.
(3) protect Xie Cugen: Seasonable prevention and cure causes the plant diseases and insect pests of inchoate fallen leaves, if Hei Xing is ill, grey stinkbug of net of spot disease, shading disease, speckle disease and red spider, pear, aphid, leaf roller. Notice to prevent and cure even at the same time all sorts of root ministry disease.
2. avoids and protect wound:
(1) pest of limb of proper prophylaxis and treatment: The Ji Ding bug, maker that appears a moth, long-corn to wait for cut of limb pest since, it is the agency that carry and transmits a bacteria, proper prophylaxis and treatment these pests, it is quite important to broad pear area.
(2) prevent freeze injury and day to burn: The difference in temperature of day and night of face of exposed to the sun of pear tree limb is bigger, suffer freeze injury easily; If face of each this world is enclothed without blade, the summer dies because of insolation easily skin. Prevent freeze injury to compare significant step, it is truncal Tu Bai, drop difference in temperature of day and night; 2 it is truncal bind grass, cover prevent frostbite. The recipe of white agent of commonly used besmear is calx 12 ～ 13 kilograms. Add lime sulfur former juice (20 Baume degrees are controlled) 2 kilograms, add salt 2 kilograms, add clear water 36 kilograms; Or calx 10 kilograms, add soya-bean milk 3 ～ 4 kilograms, add water 40 ～ 50 kilograms. Besmear Bai Yike prevents limb day to burn.
(3) protect wound: Bigger curium the mouth wants to cut smooth, besmear next ― of tung-oil, varnish or ointment of the ferry that hold cloth in the palm, S the protection such as the 921 agents that fight bacterium. After bigger ill spot is cured, want to undertake the bridge is received in time and be protected.
3. treats ill spot in time:
(1) blow bark: In the raze before pear tree is gemmiparous the bark of cock reachs necrotic organization, tu Yao or gush drug combine after blowing a skin. But beautiful arsine of blessing of gush cloth 5O% but wet sex powder 300 times fluid, or 1 ～ 3 degrees of lime sulfur.
