Reasonable fertilizer: In order to meet the needs of various nutrients during the flowering period, generally after the start of the growth of the strawberry to the flowering stage, 10 ~ 15 kg of compound fertilizer per acre topdressing, sufficient base fertilizer can not be applied. Berry enlargement can be applied to high-nitrogen-potassium compound fertilizer about 15 kilograms; after a large number of fruits in strawberry, the plant nutrient deficiency is lacking. In order to restore plant growth as soon as possible, more new leaves and new roots should be formed. The specific fertilization amount should be determined according to the amount of fruit picking, more fruits and more fertilizer, less fruit and less fertilizer. Combined with the above-mentioned flowering, fruiting, fruit expansion period, strong fruit pedicle, increased fruit pedicle, increase the amount of nutrient delivery. Anti-dropping, fruit drop, cracked fruit, stale fruit, malformed fruit.
Root spray: According to the growth situation of strawberry in the middle and late period, the method of extra-root dressing (foliage spraying fertilizer) can be used to assist the fertilization. According to the need, spraying the new high fat film 3 to 4 times in the late growth stage can increase the fruit setting rate, improve the fruit quality, increase the single fruit weight, and prolong the result period. In addition, the foliar spray should be selected in the evening or on a sunny day because of the large amount of evaporation at noon.
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