How to manage after heating up in the greenhouse of planting peach trees
Temperature: open the grass and heat up at about 9: 00 in the morning, and cover the grass at about 5: 00 in the afternoon to keep warm. The heating rate in the shed should not be too fast. At the beginning, the grass will be exposed every other day, and after 7 days, it will all be uncovered.
Humidity: the relative humidity in the shed is 70-80% from heating to pre-flowering, 50-60% during flowering, 40-60% after falling flower to harvest, and spraying water to increase humidity below 40%.
Watering: under normal circumstances, water can be watered 3-4 times from heating up to harvest. The first sprouting water, combined watering, urea 200-250 grams per plant; after the second flower drop, combined watering, 150 grams of urea plus 150 grams of diammonium phosphate per plant, or 250 grams of ternary compound fertilizer. The third time in the fruit expansion period, in addition to combined watering nitrogen, phosphate fertilizer, each plant should add 100 grams of potassium sulfate. For the fourth time, about 15 days before harvest, if watering is needed, available potassium should be the main topdressing.
Foliar fertilizer spraying: after falling flowers, quick-acting fertilizer should be sprayed every 15-20 days. 0.3% urea can be sprayed in the early stage, 0.3% potassium dihydrogen phosphate can be sprayed in the later stage, or both can be sprayed, or other foliar fertilizers can also be sprayed.
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Tree management techniques for planting peach trees
Strengthening the growth of nutritious branches and the expansion of leaf area provide the basis for making nutrients for flower bud differentiation, which is beneficial to flower bud differentiation. If there are too many fruits in that year, the tree will be weakened, resulting in the weakening of branch growth in that year. On the contrary, if the plant grows too much, it consumes
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Prevention and control of gum disease of growing peach
At present, peach gum disease is a common disease in peach trees, and the disease is serious, especially in peach orchards with extensive management and weak tree power, the incidence rate can reach more than 90%, the disease seriously weakens the tree potential, affects the yield and quality, and seriously leads to dead branches and trees, threatening
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