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What causes yellow leaves in summer corn?
Why does summer corn have yellow leaves? What can be done to remedy it? Please advise. Yellowing corn leaves with no luster are caused by a lack of nitrogen in the corn plant and the soil, or by damage from pests and diseases. Long-term yellowing of corn leaves often causes reproductive growth to advance, heading too early, resulting in bald tips, and the corn plants developing "pre...
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How to Top-Dress Summer Corn: Methods and Precautions Explained
How to top-dress summer corn? Here is an introduction to the methods. Summer corn is mostly grown with no-till methods, and base fertilizer is generally not applied much; for intercropped summer corn, seed fertilizer is also rarely applied. Therefore, the nutrients needed for the growth and development of summer corn are mainly met through top-dressing, so top-dressing plays a key role in achieving high yields of summer corn. When top-dressing, you should...
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What problems should be prevented during the cultivation of summer corn?
What should be prevented when planting summer corn? Please note that the main things to prevent when planting summer corn are the following: First, prevent fertilizer deficiency. The high-yield characteristics of summer corn plants at the ear stage are thick stalks, short internodes, wide and thick leaves, strong and upright leaves, dark green leaf color, and a well-developed root system. If the leaves show a tendency to turn yellow at the ear stage, prevent late-stage fertilizer deficiency and premature aging....
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Detailed Explanation of Pest and Disease Control Methods in Summer Corn Cultivation
How do you control pests and diseases when growing summer corn? Please explain the methods. For summer corn cultivation, the following methods can be used for pest and disease control: 1. Seed treatment. For every 100 kg of seed, use 100-150 ml of Manshijin + 100-200 g of Liangsui (or Likerxiu) + 170 ml of Shuaimiao for seed coating. This can control seedling blight, root rot, stem base rot and other corn seedling-stage diseases, underground pests and head smut.
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Detailed Explanation of Key Points for High-Yield Summer Corn Cultivation Techniques
How can summer corn be planted to achieve high yield? Please explain the methods. To achieve high yield when planting summer corn, you can refer to the following methods: 1. Carefully select seeds: Before sowing, spread the corn seeds evenly and turn them in the sun for 2 days, then remove small grains, blighted grains, broken grains, and moldy grains. This is the foundation for cultivating strong seedlings. 2. Single-seed dibbling: Single-seed dibbling can...
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How can large-scale summer corn planting be made to increase yields?
How can large-scale summer corn planting be made to increase yields? Please explain the methods. To achieve a high yield when growing corn, you need to start with the following points: (1) Select good varieties according to local conditions. According to the planting purpose and production area, choose approved varieties, dominant varieties released by the government, and excellent varieties selected from local official demonstrations; ...
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How to control weeds, pests and diseases during summer corn cultivation?
How to control weeds, pests and diseases when planting summer corn? Please explain: after sowing summer corn and before emergence, it is susceptible to damage from underground pests such as cutworms; at the seedling stage it faces damage from small brown planthoppers, Athetis lepigone, wireworms, thrips, aphids, etc.; at the grain-filling stage, major diseases such as stalk rot (green wilt), ear rot, leaf spot diseases and southern rust occur locally, and major pests such as corn borers and aphids cause severe damage; there may also be harmful organisms that cause corn lodging and stalk breakage, affecting corn yield and mechanized operations.
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Detailed Explanation of Summer Corn Planting Methods and Technical Key Points
How is summer corn planted? Please give a detailed introduction. To plant summer corn, you can refer to the following methods: 1. Seize the farming season and sow early at the right time. "Spring competes for the day, summer competes for the hour." Summer corn sowing must emphasize seizing the time and sowing early. Timely early sowing can increase the effective accumulated temperature, extend the effective growth period of corn, and make full use of...
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What common problems affect summer corn yield?
What problems affect summer corn yield? Please give an introduction. The main factors affecting summer corn yield are as follows: 1. Careless selection of seeds. Because the current seed breeding system is still not perfect enough, substandard corn seeds still account for a relatively large proportion. Some farmers covet cheap prices and buy from small vendors or irregular seed...
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What are the key points for summer corn seedling-stage management
What should be paid attention to during the summer corn seedling stage? Please give an introduction. During the summer corn seedling stage, the following points should be done: 1. Check seedlings and fill gaps to prevent missing seedlings and broken rows. To ensure full stands, seedlings should be checked and gaps filled in time. Use early-maturing varieties after sprouting for reseeding, or before the seedlings reach the 4-5 leaf stage, transplant seedlings with soil in the afternoon or on cloudy days to fill gaps. When corn has 3-...
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