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How to Control Cutworm Pests in Corn Fields
This year is a once-in-a-century year of severe drought. Due to the drought, cutworms have broken out severely in Taiyi Township, Dali City. The cutworm is also called the soil silkworm, earth silkworm, or root-cutting worm. It is a relatively common underground pest. The life cycle of the cutworm is divided into egg, larva, pupa, and adult (moth)
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What are the control methods for corn sheath blight?
According to reports, in the southern corn planting areas, the incidence rate in normal years is about 40%, reaching 70% in severe cases, and up to 100% in individual plots or varieties; the incidence rate is even higher in seed production fields, with the plant incidence rate in normal years above 50%, and there is a trend of worsening year by year. In Yunnan
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Key Field Management Techniques for the Late Growth Stage of Corn
1 Remove field weeds and diseased or weak plants. With the widespread adoption of mechanized wheat harvesting, the shading of wheat straw and stubble reduces the control effect of herbicides, and weeds left in wheat fields also increase the difficulty of weed control. For plots where chemical weed control is ineffective and field weeds are abundant, timely
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Five precautions for using herbicides in summer corn fields
The summer corn growing season coincides with high temperature and high humidity, and weeds in the field grow rapidly. In addition, with more rainfall, manual and mechanical weed control is relatively difficult and labor-intensive, so chemical weed control in corn fields is increasingly accepted and widely used by farmers. There are many types of corn herbicides with high application technical requirements
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What are the control methods for corn smut?
In recent years, corn smut has become fairly common, and when the ear is affected it loses its value for food and feed, so control work should be done early. Throughout the entire growth period of corn, all young aboveground parts can be affected by corn smut. The diseased part is tumor-like, and the size of the tumor varies depending on
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How to comprehensively defend against midsummer drought in corn?
The dog days usually refer to the sanfu period from mid-July to mid-August, and drought occurring during this period is commonly called midsummer (summer) drought. Drought at this time causes the most serious harm to corn, so people call the drought disaster occurring in corn during this period "neck-gripping drought." Neck-gripping drought
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How to manage late-sown summer corn? Keep these key points in mind
In recent years, due to factors such as late harvest of the previous crop, drought during the sowing period, and poor quality of rushed sowing, corn emergence has been poor, uneven, and the growth has been weak. As the saying goes: summer fights for time, autumn fights for a moment. Strengthening field management of corn, promoting plant growth, and ensuring that late sowing does not
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Cultivation Methods and Technical Points for Intercropping Onions with Corn
This model is suitable for promotion and planting in river-irrigated areas with good water and heat conditions. The usual yields are 7500 kg/hectare for corn and 57000 kg/hectare for onions, with an output value of 38000 yuan/hectare and a net income of 32250 yuan/hectare. 1. Planting arrangement Onions are sown in drills in mid-to-late September at a row spacing of 20 cm
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What to Do About Herbicide Damage in Corn? These Remedial Methods You Need to Know
During the growing period, corn can suffer from various pests and diseases, and to prevent these pests and diseases, various chemicals must be sprayed. However, because the application methods of various chemicals differ, using them incorrectly can cause various types of herbicide damage. So what should be done about herbicide damage in corn? Method 1: Intertillage For soil
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How to Treat Corn Diseases? A Detailed Guide to Prevention and Control Methods
Corn is prone to diseases during its growth process, which can easily affect the growth of corn. So how do you treat corn diseases? Corn diseases include northern corn leaf blight, corn rust, corn round spot disease, and others. Different diseases have different prevention and control methods. For example, northern corn leaf blight
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