Among the few farmers, there are more malformations, ranging from 10-20% to more than 30%. How to prevent and reduce the occurrence of deformed fruit? The author connected Yu Hongzhang, a senior agronomist in Hubei Province.
According to the survey, the causes of malformed fruit mainly come from several aspects: the quality of the selected varieties is degraded, or the detoxification treatment is not carried out; the organic fertilizer is not applied in the base fertilizer, and the nitrogen fertilizer is applied in the top dressing, resulting in the imbalance of the nutrient ratio of the strawberry, and the berries are not normally intact. Development; shed temperature is too low, humidity is too large, lack of light, and the number of bees or bees are not placed in the shed, which will lead to poor fertilization, resulting in malformation of poor fertilization; uncovering the film is not timely, not timely drought resistance, humidification, supply Caused by uneven fertilizer.
In order to prevent the occurrence of malformation, Yu Hongzhang suggested doing three aspects of work.
- When planting strawberries, choose good varieties. The varieties with less deformed fruit are Jinxiang, All-Star, Hani, Fengxiang, Lihong and so on.
- To be scientifically formulated and fertilized. Organic fertilizers are the mainstay, organic and inorganic are combined, and special attention should be paid to the appropriate application of phosphorus and potassium fertilizers. The base fertilizer should be applied 150-200 kg of commercial organic fertilizer per mu, or 4000-5000 kg of farmer's decomposed soil, and 40 kg of potassium sulfate compound fertilizer. After planting, chase the ternary compound fertilizer 10-15 kg every 20 days or so. At the same time, spray active liquid fertilizer Hui Manfeng or Zhuang Fuxing, as well as boron fertilizer. ——To control the humidity temperature, and do a good job of relevant supporting measures. A box of bees is placed in a half-acre greenhouse to increase the rate of pollination. At the same time, high-efficiency and low-toxic pesticides should be selected to prevent pests and diseases during flowering.
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