Management of planting pomegranate after fruit picking
In the first and middle of September, pomegranate matured and entered the harvest stage one after another. the management after fruit harvest must be done in time in order to speed up the recovery of tree potential, promote strong fruiting mother branches, and lay a good foundation for high and stable yield next year.
Remove weeds, withered branches and fallen fruits in the garden, cut off shady branches inside the crown and disease and insect branches outside the crown, dry and withered branches, weak branches, overlapping branches, over-stacked branches, damaged branches, short-cut deciduous branches, fruit-picking branches and overgrown branches, concentrate on burying or burning outside the garden.
Apply postharvest fertilizer in time. It was applied within 5-10 days after fruit harvest, mainly with high-quality organic fertilizer or nitrogen, phosphorus and potassium compound fertilizer. For more than five-year-old trees, each tree is 40 kilograms of mature human and animal manure, or 3 kilograms of nitrogen, phosphorus and potassium compound fertilizer. Dig 6 radiation ditches with a depth of 15 cm, a width of 25 cm and a length of 80 cm on the topsoil under the canopy, spread them evenly in the trench and cover them with soil.
Strengthen the prevention and control of diseases and pests. After clearing the garden and pruning, the inside and outside leaves of the crown were sprayed with 0.8: 1 Baume solution of stone-sulfur mixture. During the period of tree potential recovery, the mixture of 1000-fold Lexbene, 800x methyl topiramate, 800x trichlorfon, 600x carbendazim, or 1000-fold dichlorvos and 600x dichlorvos must be sprayed on the crown every 15 years and 20 days, and all branches and leaves should be sprayed evenly for 2 times in a row, so as to start dripping.
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How to prevent young pomegranate trees from sprouting in severe winter
The sprouting of young pomegranate trees refers to the phenomenon of shrinkage and death of some branches after overwintering. In northern China, it is cold and dry in winter, less rainy and windy in early spring, and the evaporation is large, while the annual growth of young pomegranate trees is large, and the water retention of the pith of branches is poor, so it is easy to encounter severe winter.
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Propagation techniques of planting pomegranate
There are several propagation methods of pomegranate, such as sowing, cutting, root division, grafting and striping propagation, but mainly by cutting and sowing propagation. The main results are as follows: (1) the cutting propagation nursery should be prepared to raise seedlings in convenient transportation, irrigation and drainage, deep soil layer, loose texture, good water storage and fertility conservation.
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