March strawberry field management points
March is the peak season for strawberry market. On the basis of timely irrigation and ventilation and dehumidification, the strawberry will focus on the supplementary nutrition and pest control of strawberry fruit.
The supplemental nutrition of strawberry fruit is mainly based on the application of high-potassium compound fertilizer. Combined with foliar application of functional foliar fertilizer, it is necessary to supplement boron and calcium in time.
The main pests of this month's strawberry are leafy pests such as aphids, red spiders, and Spodoptera litura. The main diseases are gray mold, powdery mildew, anthracnose, etc. The right medicine should be selected and the prevention and treatment should be carried out in time. Control aphids can use 22% Ford force 20 ml, or 50% nitenpyram 10-15 ml; control Spodoptera litura can use 40 ml of 6% sword (avibromide), etc.; Use gold full branch (butyl fluoride) 20 ~ 30 ml. Control gray mold can use 50% Kaiser 16 ~ 20 grams, or 40% Shi Jiale 50 ~ 60 ml, or 42.4% Jianda 20 ~ 30 ml; control powdery mildew, anthracnose can use 50% Tsuibei 20 grams , or 10% World High 20 grams, or 32.5% Ami wonderful 40 ~ 60 ml. 30 grams of Mu Jia Pengfei and 40 grams of Dai Le Calcium can supplement the trace elements such as strontium and calcium required for strawberry growth.
The agent should use high-efficiency, low-toxicity, low-residue pesticides, and the control agents should be used alternately to avoid resistance, and attention should be paid to the safe picking interval of strawberries.
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