What if the leek grows maggots?
The leek that planted grows leek maggot how to do? For guidance, leek maggots can be poisoned by pesticides during spring irrigation, 600-fold solution can be sprayed and killed in the adult Eclosion period in late April, and root irrigation with 40% omethoate 800-fold solution in the first ten days of May. Mole cricket and grub belong to underground pests: in the peak period of March, April and May, 90% trichlorfon 150 grams 30 times liquid can be used in leek borders, mixed with fried wheat bran or bean cake 5 kilograms, made of poison bait sprinkled into the border or in the field every 3 to 4 meters planing a bowl of large pit, put in the poison bait after covering the soil, planing 1 row every 2 meters or so, trapping and killing. Click for more leek planting techniques click to see more vegetable planting techniques
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Why is the leek dead?
How to fertilize leek? Should pay attention to what leek fertilizer demand is mainly nitrogen fertilizer, with the right amount of phosphorus, potassium fertilizer. Only when the nitrogen fertilizer is sufficient, the leaves can be fat and tender, and the nitrogen absorption is higher than that of other vegetables, but too much nitrogen is easy to cause leek lodging. The application of potassium fertilizer can promote cell division and swelling.
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Why do leeks have yellow leaves?
Why do leeks have yellow leaves? How to solve the yellow leaves of leek has the following possibilities: first, lack of trace elements. Leeks with yellow leaves are generally not sprayed or sprayed with trace elements such as iron, copper and zinc, and yellow leaves are formed due to the lack of such elements. Second, partial application of nitrogen fertilizer, nitrogen, phosphorus and potassium imbalance, so as to inhibit trace.
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