Management techniques for various vegetables in hot and rainy weather

In August, after the weather continued to heat up, there was continuous rain for many days, and the technical requirements for vegetable field management were high. It was necessary to strengthen the work of drought resistance, flood control, topdressing, weeding, flowering and fruit conservation, and pest control in vegetable fields. The management techniques of vegetables are described as follows:

1. Appropriate control of fertilizer and water in the early stage of tomato, timely topdressing after fruit setting, pay attention to prevention and treatment of early blight, cotton rot, virus disease, mites and cotton bollworm. Eggplant regenerative eggplant should strengthen the management of fertilizer and water, keep moist, and focus on strengthening the control of verticillium wilt, cotton rot, brown streak disease.

2, autumn eggplant or autumn postponed eggplant, about 10 days after planting, must strengthen fertilizer management. In the drought, the soil is filled with fertilizer, and it should be drained immediately after the rainstorm.

3. The main focus of Qiuyan cucumber is to control pests and diseases. When 2~3 true leaves are used, spray spray is used every 7 days to control downy mildew. When 3~4 true leaves are sprayed, spray 40% ethephon (concentration of 100 mg/L) twice and spray once every 2 days.

4, the key to the zucchini is to prevent the occurrence of viral diseases, attention should be paid to the control of aphids in the early stage of growth. After the rainstorm, clear the ditch in time and add fertilizer. Diligently ploughing, especially after watering, topdressing and raining, should be ploughed once in time.

5, pumpkins from the end of August to the beginning of September should be cut off the old vines, select 1 to 2 strong side vines at the base, apply 30% of the decomposed human and animal waste and keep the soil moist.

6, winter melon climbing melon and on the shelf winter melon, in the middle of the growth can be combined with drought resistance, 30% of the decomposed human and animal excrement 3 times. Cultivate winter melon by climbing, using drip irrigation to resist drought, but not flooding, keeping the surface slightly wet. The melon cover grass is sun-protected, and the melon grass is protected against decay and insect damage.

7. Watering the loofah when it is hot and dry, take the method of pouring "dark water". After the rain, it is necessary to clear the ditch in time. It is best to use well water or deep river water to pour the ground, so as to prevent the rain from passing through the leaves of the melons and affecting the fertility. In time for topdressing and watering, after heavy rain, it is necessary to timely cultivate and control pests and diseases.

8. Before the flowering and pod formation of cowpea, the main seedlings are cultivating seedlings. After the pods are kept, the soil is kept moist. The harvesting period is 2~3 times, and the manure is applied once. The main vine is topped at the right time, and the old yellow leaves are removed in time to pay attention to the prevention and control of rust.

9. Xia Dacai and early autumn Chinese cabbage pay special attention to the occurrence of pests such as soft rot and Spodoptera litura. Watering and drought-preserving seedlings should be watered sooner or later after planting until the living tree. Before and after the rosette period, water is often watered to keep the soil moist. Start with a heart, pay attention to watering and drought.

10 early autumn radish keeps the soil moist, and timely watering in case of drought. Pay special attention to the prevention and control of pre-existing pests and diseases. After the emergence of the seedlings, the main prevention and control of the beetle will be carried out. In late August, spray 90% trichlorfon 800 times liquid and 80% ethyl phosphine aluminum 400 times solution to prevent other pests and downy mildew.

11, celery pay attention to the use of shade nets or straw curtains, etc. in time to cover the shade, strengthen topdressing and watering, keep the soil moist. Timely control of aphids, soft rot and leaf spot.

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