Key Techniques for High Yield and Quality of Strawberry

In recent years, the number of farmers growing strawberries on the outskirts of the city has increased year by year. Strawberries are a kind of species with strict requirements on the external environment. If conditions are suitable, they can grow indefinitely. If conditions are unfavorable, they can sleep quickly. If the soil is arid and infertile, the temperature is too low, the seedlings are thin, or the growth is too prosperous, the flower buds are difficult to form or are delayed to affect the ripening period, yield and quality. Only by optimizing the environment and cultivation methods can we promote the early maturity, high yield and quality of strawberries.

Apply base fertilizer to see seed dressing

In general, per acre of base fertilizer should be applied fertilizer farmyard fertilizer 4000 kg or 100 kg of bio-organic compound fertilizer, or high content of inorganic compound fertilizer 20-25 kg. The better growing seedlings generally only follow the phosphorus and potassium fertilizers, spraying 0.2% potassium dihydrogen phosphate 2-3 times. Poorly growing seedlings, the results of the prosperous period to apply or compound fertilizer 15-20 kg or 10 kg of urea. At the same time, promote the use of Hui Man Fung active liquid fertilizer, 100 ml per acre against fresh water 50 kg spray 2-3 times. If you follow the application of clear water, one must prevent pollution of the environment, and the other must prevent the fragility of fresh fruit.

Thermostat temperature control, breaking sleep

The optimum temperature for strawberry flowering is 10-20°C. If the temperature is below 10°C or noonday is higher than 35°C, the fertilization will be bad and abnormal fruit will be formed. The shelf temperature below 35 °C is the critical temperature for dormancy. The plants were frozen at -1°C and the pistil suffered. Strawberries are more resistant to waterlogging, and the most suitable is 60-70% relative humidity, that is, soil water content is 80% of the water holding capacity. To this end, one should implement a three-film cover, that is, mulch film, greenhouse film, plus a small shed film; Second, at high temperatures, sunny days should open the waist film ventilation, open the film on both sides of the shed film in rainy days; Third, in the continuous high temperature When drought occurs, the use of small ditch irrigation for wet management enables the strawberry to effectively flower bud differentiation early in normal temperature and humidity conditions.

Auxiliary Pollination, Controlled Fruit Control

Strawberry mostly self-pollination, but poor infertility will produce deformed fruit or small fruit with poor maturity. In order to achieve fruit quality, we must conduct artificial pollination in the flowering period from 10 am to 3 pm every day. Second, put a box of bees to assist pollination in each greenhouse. Third, we must control a certain amount of results. Only about 20 fruits are left, and the excess young buds and small fruits should be frequently reconciled; the fourth is to control ramets, leaving only 2-3 new-breeding seedlings per plant.

Often pick old leaves to prevent pests

In the process of strawberry growth, leaves with old and disabled diseases and pests occur at any time. Common diseases include viral diseases, gray mold, leaf spot disease, and powdery mildew. Insect pests include aphids and red spiders. The prevention and control methods include the control of temperature and humidity and the longevity of seedlings; the second is the removal of leaves damaged by pests and diseases at any time; the third is the prevention and control of pests and insect pests, and the use of lime sulfur, worms, and fast-acting phosphorus to prevent and control pests. . Diseases can be used to prevent and treat pesticides such as polyoxo-pyrazine, general K crop bactericidal repair fluid, and Shile.

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