1. No chlorine fertilizer is applied. Peach trees are chlorine-free crops and are sensitive to chloride ions. Application of chlorine-containing fertilizers such as potassium chloride, etc., will cause the roots of the peach trees to rot, the leaves to yellow, the light tree weak, and the whole plant died.
　　 2 , flowering period should not be watered. Peach trees are fruit trees that are afraid of cockroaches. After watering in the flowering period, the air content in the soil is small, the roots will undergo anaerobic respiration, and the absorption function will decrease, which may cause nutrient imbalance in the tree body, causing the peach trees to fall and fall.
　　 3 , the temperature can not be too early. The premise of warming up is that the required cooling capacity of the peach trees in the greenhouse is sufficient. Therefore, it should be determined after the cooling capacity of the main plant is reached.
　　 4 , the shed temperature should not be too high. Do not be too anxious when the greenhouse starts to heat up. The temperature should be controlled below 18 °C and not more than 25 °C before flowering. The flowering period should be controlled below 22 °C, the maximum should not exceed 25 °C; the temperature after sitting should not exceed 28 °C. The shed temperature in the flowering and pre-flowering period is too high, which will result in uneven flowering and low fruit setting rate. If the shed temperature is too high during fruit development, it will cause new roots to grow and cause fruit drop.
　　 5 , the ground covers the mulch. If the shed is not covered with plastic film, the temperature in the shed will be high and the ground temperature will be low. The root activity of the peach tree will be slow, and the growth of the tree will be uncoordinated, affecting the fruit setting and fruit growth. At the same time, the bare ground will also cause weeds to grow, and the peach trees compete for water, competing for fat, glory, affecting the growth of peach trees.
　　 6. Configure the pollination variety. Although most peach species can self-pollinate, compared with cross-pollination and cross-pollination, the fruit set rate is low, the fruit quality is poor, and the fruit is small. Therefore, it is best to arrange the varieties with the same flowering period, large pollen volume and high quality as the pollination variety.
　　 7 , a variety of ways to pollinate. The peach trees in the greenhouse are generally younger, the number of flowers is less than that of open-planted peach trees, and the air flow in the greenhouse is small, the relative humidity of the air is large, the anthers are cracked slowly, and the pollen is sticky and difficult to pollinate. Therefore, a variety of pollination methods, such as artificial pollination, bee pollination, etc., should be used to increase the pollination rate of female flowers.
　　 8 , the tree leaves the right amount. The peach trees in the greenhouse are generally densely planted, with small space and many leaves. If the fruit is too much, the tree body is overburdened, which will cause the fruit tree to be small and small, and the fruit is small in color; if the fruit is too small, the yield is low. The fruit should be properly preserved according to the tree body and the tree potential.
　　 9. Do not water before mining. Watering before harvesting is likely to cause cracking, especially nectarine, which can cause poor fruit coloration, low sugar content, delayed maturity, and fruit storage and transportation.
PVC Film Laminated Aluminum Coil
Laminated aluminum coil is a kind of composite panel, which has a high-gloss film or colorful film covered on steel substrate. Between the film and panel is specialized adhesion.
It has plenty of appearances, metallic effect, characteristic patterns, geometrical textures. Besides, various gloss effect, high-gloss, semi-gloss and matt. Moreover, due to the specialized film, laminated aluminum coil has much property advantages like anti-corrosion, anti-dust, scratch resistance, moistureproof, easy to profile as well as uneasy to crack.
Application: Household Appliances, Interior Decoration, Building Exterior Wall Panel, etc.
Pvc Film Laminated Aluminum Coil,Pvc Laminated Aluminium Sheets,Pvc Laminated Gi Sheets,Precoated Aluminum Sheet In Coils
Shandong Wofeng New Material Co., Ltd. , https://www.wofengcoil.com