The yield of scallions is high, the summer temperature is high, the rain is high, the humidity is high, the scallions are easy to be infected with root rot, soft rot, gray mold and root nematode, causing dead roots and stems and leaves to rot. If you use the bio-fertilizer as the base fertilizer in the summer when planting the scallions, 150 to 200 kilograms per mu, spread the biological fertilizer evenly on the land where the shallots are to be planted, and then plow the plough to make the biological fertilizer and soil. Plant it after full contact.
After the scallions are planted, every 15 to 20 days, the roots will be drenched once with 1500 times of the aqueous solution of the biological fertilizer, or 300 times of the root of the biological bacteria fertilizer, continuously drenched 3 to 5 times, each time per acre 2500 ~ 3000 kg, evenly drenched in the soil around the roots of the chives plant. In this way, the shallots will not be harmed by root rot, gray mold, soft rot and root-worm, no rotten roots and dead seedlings, green leaves, good growth and high yield.
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