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Key Management Techniques for Summer Corn During the Flowering and Grain-Filling Stage
How should summer corn be managed during the flowering and grain-filling stage? Please introduce the following methods that can be used for managing summer corn during the flowering and grain-filling stage: First, apply grain fertilizer judiciously: the so-called judicious application should be determined by the appearance of the plants in the field. In fields where the ear fertilizer is sufficient, the plants look good, the leaf color is dark green, and there is no sign of premature decline or fading, it may be omitted to avoid prolonging the growth period. If the ear fertilizer is insufficient and the plants show signs of nutrient deficiency, then grain fertilizer should be supplemented. The principle for applying grain fertilizer is "early rather than late." Generally, apply 5 kg of urea or 10-15 kg of ammonium bicarbonate per mu, by hole application at depth. A mixture of 1%-2% urea and 0.4%-0.5% potassium dihydrogen phosphate can also be used for foliar spraying, using 70-100 kg of solution per mu.
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What should be done about yellow leaves appearing in summer-planted corn?
What should be done about yellow leaves in summer-planted corn? Please advise. Yellowing, lusterless corn leaves are caused by a deficiency of nitrogen in the corn plant and in the soil, or by damage from pests and diseases. Long-term yellowing of corn leaves often causes reproductive growth to advance, with tasseling too early, resulting in bald tips, and the corn plants becoming "old before their time," that is...
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What are the methods for topdressing summer corn?
How should corn be topdressed when planted in summer? Please explain. Corn is a high-yield crop with a relatively large fertilizer requirement, so scientific fertilization is essential to meet corn's nutrient needs throughout the entire growth period and achieve the goals of high quality and high yield. In recent years, due to the widespread promotion of hard stubble sowing technology, the area and amount of base fertilizer used for summer corn have been relatively...
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What are the summer corn seedling-stage management methods?
How should corn planted in summer be managed during the seedling stage? Here are the reference methods for summer corn seedling-stage management: 1. Check seedlings and fill gaps; if missing seedlings or broken rows occur, check and replant promptly to ensure a full stand. Replant with pre-germinated early-maturing varieties, or transplant seedlings with soil in the afternoon or on cloudy days before the seedlings reach the 4-5 leaf stage. ...
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How to manage corn during the seedling stage? Key technical points explained in detail
How do you manage corn well during the seedling stage? Please advise. Corn seedling stage management mainly includes the following points for reference: 1. Prepare in advance for transplanting and filling in seedlings to ensure a full stand. After corn emerges, check the emergence situation in time, and if missing seedlings or broken rows are found, reseed or replant in time. Double plants can also be left nearby to remedy missing seedling spots...
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What are the fertilization methods for growing corn in summer?
What fertilization methods are there for growing corn in summer? Please introduce the following methods for reference when growing corn: 1. Apply basal fertilizer and seed fertilizer well. Before sowing summer corn, basal fertilizer should be applied well, mainly organic fertilizer. Straw from the previous wheat crop can also be returned directly to the field, but an appropriate amount of nitrogen fertilizer should be applied together to adjust the carbon-to-nitrogen ratio and accelerate...
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What factors affect corn yield?
What factors affect corn yield? The following are several reasons that affect corn yield: First, seed selection is not done carefully. Go to a legitimate seed business department and select improved varieties suitable for planting in this region; this is the prerequisite for achieving high corn yield. Second, the density is too high. Some farmers, in order to achieve high yield,...
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How do you carry out field management when growing corn?
How do you manage corn cultivation? Please explain in detail. When growing corn, you can refer to the following methods for management: 1. Thinning and final thinning of seedlings. Increasing planting density is an important measure for achieving high corn yields. The suitable density should be determined according to factors such as variety characteristics and soil fertility level. Thin and final-thin the seedlings in good time to ensure the planting density...
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How to Apply Jointing Fertilizer to Summer Corn? Fertilization Methods and Key Points Explained
How to apply jointing fertilizer to summer corn? When is the best time to apply jointing fertilizer for good results? Please provide guidance. Summer corn generally reaches the jointing stage 18 to 21 days after emergence. The signs of entering the jointing stage, from the external morphology, are as follows: for early-maturing varieties, such as Ludan 50, Yedan 20 and Denghai 9 corn, 4 to 5 leaves are unfolded and 7 to 10 leaves are visible;...
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Key Field Management Techniques for Summer Corn in the Mid-to-Late Growth Stage
How should summer corn be managed in the mid-to-late growth stage? Please introduce some good management methods. For summer corn in the mid-to-late growth stage, the following methods can be used for reference: 1. Drought relief and waterlogging prevention. After jointing, corn enters the period of simultaneous vegetative growth and reproductive growth, which is the key period for large ears, and is also a season with frequent disastrous weather such as drought, waterlogging, wind, and hail...
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