Clear drainage and timely drainage
The accumulation of water in the corn fields and the lack of oxygen in the soil will cause the root activity of the corn to decrease, and the leaves will turn yellow and even wilting. Therefore, after the corn is exposed to rain, it should be drained in time to reduce soil and air humidity.
Organize the plants in time
When lifting the lodging corn, care should be taken to prevent damage to the roots, leaves and leaves of crops due to manual operations. At the same time, the broken and diseased corn plants are taken out of the field to improve the ventilation and light transmission conditions in the field and reduce the spread of diseases and insect pests.
Cultivating loose soil to prevent flooding
After the drainage of the glutinous corn field, due to soil compaction and poor ventilation, the water, gas, and heat conditions may be seriously deregulated. Therefore, it is necessary to cultivate the soil early as early as possible to prevent flooding and improve soil permeability.
Supplementing fertilizers to promote growth
If corn is exposed to rain and the fertilizer is seriously lost, it is necessary to assault supplement fertilizer to make up for the loss of nutrients caused by rain erosion and to promote the recovery of crops. If nutrition is not added in time, defertilization will soon appear.
Each acre can be topdressed with 7-8 kilograms of urea, and combined with foliar spray fertilizer to apply strong-sweat, spray 0.2-0.3% of the potassium dihydrogen phosphate solution should be added at the same time plant regulators.
Pest control disease conditions
After the rain, focus on controlling locusts, corn borer, size spot, and brown spot.
Control agents can be used for high-efficiency cypermethrin, chlorpyrifos, phoxim, etc.; disease can be controlled by carbendazim, chlorothalonil, triadimefon, etc.
Timely replanting
For the corn plots that are lodging or that are basically not harvested, the maize plants should be cleared out of the fields as soon as possible. After the plots are sterilized, they must be finely grounded, grabbed the crops, and rush to plant some cabbages with a short growing period and economical benefits. For vegetable crops such as melons and radishes, or for other economic crops, the damages will be restored as far as possible, and the disasters will be reduced to the minimum value.
For the severely damaged summer corn, it can be changed to autumn corn. The varieties include Nongda 108 and Dandan 103. The sowing date is controlled in the middle or late July. It can prevent the silkworm pollen from drying in the silking period in July and August and affect the pollination rate. Cause baldness or grain is not true.
Ear Health Care ( Invisible )
JIAMAI an entirely had subsidiary of Albert Novosino, responsible for the worldwide trade business.
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