Summer kiwi how fertilize irrigation

Fertilizer

Kiwifruit summer fertilization is generally to seize the two periods of promoting fruit fertilizer and strong fruit fertilizer after flowering. Fertilizer application at this time has an important role in strengthening fruits, promoting shoots, and expanding the canopy. After flowering, it promotes fruit fertilizer: After flowering, the young fruit grows rapidly, and the shoots and leaves are also growing rapidly. It requires more nitrogen nutrition. The amount of fertilizer accounts for about 10% of the annual chemical nitrogen fertilizer application rate. Can complement each other with flowers before flowering, such as a large amount of fertilizer before flowering, flowers can not be applied after top dressing. The fruit-promoting fertilizer should be fertilized within 20-30 days after flowering, and the main fertilizer is quick-acting compound fertilizer. The lack of fertilizer will make the kiwi fruit enlargement obstructed. The leaves were sprayed once with “Melo” mellite calcium and amino acid foliar fertilizers. After the garden Shi irrigation once.

Mid-summer fruit enlargement fertilizer: During this period, the fruit expands rapidly. With vigorous growth of new shoots, physiological differentiation of flower buds takes place at the same time. Applying nitrogen, phosphorus and potassium as topdressing fertilizers increases photosynthetic efficiency, increases nutrient accumulation, and promotes fruit enlargement and flower bud differentiation. . The topdressing time varies from species to species and is carried out after fruit thinning. Fertilizer amounts account for 20% of annual chemical nitrogen fertilizer, phosphate fertilizer, and potassium fertilizer.

Fertilization method: When fertilizing, it usually starts with applying acupuncture point one meter away from the trunk, digging a fertilizing pit, and applying the fertilizer into the pit. When fertilizing, it can usually be applied at a distance of 50 centimeters from the trunk or dig 10-15 centimeters of the ditch. You can use a hand-plow to apply the fertilizer to the ditch. The second plow can cover it. This method is simple and practical, and the effect is relatively good. .

Irrigation drainage

Generally combined with fertilization for irrigation, the summer mainly captures the characteristics of several water-requiring periods.

Kiwifruit requires high soil moisture content after flowering before flowering. According to the soil moisture content, each kiwi should be fed with small water. However, irrigation should be controlled during the flowering period to avoid lowering the ground temperature and affecting flower opening. Kiwifruit fruiting from June to July is the rapid expansion of fruit, this period is the peak period of kiwifruit water, should determine the number of irrigation according to soil moisture, good sensation, waterlogging can be timely or less watering. On the contrary, the soil is severely compacted, the soil is shallow and sandy, and the water retention is poor. It should be watered more often, and it should be poured 3-4 times.

Drainage: In order to enhance summer irrigation, drainage should be done during the rainy season. In particular, sandy land with a shallow groundwater level should be exposed to heavy rain or heavy rain. The water in the field should be eliminated in time to prevent the occurrence of flood damage, and trenches should be excavated or carried out. High ridge cultivation.

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