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Strawberries need high yield in spring to catch "five tubes"
First, promptly remove the cold cover. Normally, when the average daily temperature rises to about 5°C, the overwintering and cold-proofing materials on the strawberry ground must be removed. When the strawberry germinates and grows, the mulch is forced to open a cross-shaped hole, and the strawberry plant is referred to as the membrane and is covered with soil at any time. Membrane port. Second, timely removal of old leaves weeding loose soil. After the spring is over, we must timely carry out cultivating loose soil weeding, should be shallow hoe, and remove the old leaves, diseased leaves, dead leaves. Third, timely fertilizer. Because strawberry roots are shallow, they are sensitive to fertilizer reactions. Therefore, after the strawberry begins to grow, it is necessary to top-dress fertilizer in time, mainly based on urea, compound fertilizer or water manure, avoid using ammonium sulfate and ammonium bicarbonate. Usually, 5-7 kg of urea, 1,000-1300 kg of manure, and 10-15 kg of compound fertilizer are applied per acre. And spraying 0.2% potassium dihydrogen phosphate solution twice or more on the flowering stage and fruiting stage had a significant effect on improving strawberry quality and increasing yield. Fourth, timely sparse flower. After the budding of the strawberry, the thin flower buds must be removed. The flowering period should be followed by sparse flowering. Generally, 2-3 per plant order, and 3-5 fruit per inflorescence are appropriate. The thin flower buds should be removed when the flowers are thin, so that the nutrients can be concentratedly supplied to the fruits and the resulting fruits are large and nutritious. V. Prevention of pests and diseases. The prone to strawberry bud blight, powdery mildew, snake eye degrees and gray mold, etc., can be sprayed with 50% carbendazim 500 times or 65% zein zinc WP 400-500 times liquid control.