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What causes missing corn seedlings?
What are the causes of missing corn seedlings? Please provide an introduction and control methods. The causes of missing corn seedlings are: Do not soak seeds to speed germination. Once corn seed coating agent dissolves in water, it not only becomes ineffective but also inhibits seed germination. Do not sow too deep. The suitable sowing depth for summer corn is 3-5 cm. If sown too deep, the soil temperature drops...
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What are the factors affecting high corn yields?
Which factors affect high corn yields? Please provide an introduction and control methods. The reasons affecting high corn yields can refer to the following factors: 1. Careless seed selection. Because the current seed propagation system is still not perfect, substandard corn seeds still account for a relatively large proportion. Some farmers, greedy for cheap prices, buy from small vendors or irregular...
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How should seed fertilizer be applied reasonably when sowing summer corn?
How should seed fertilizer be applied when sowing summer corn? Please give an introduction. The main reasons why improper application of seed fertilizer when sowing corn causes bud burn and seedling burn: First, the amount of seed fertilizer applied is too large, causing the seeds or the root system during emergence to come into contact with chemical fertilizer, resulting in seed burn and seedling burn. Second, the seed fertilizer is mixed with the seeds during sowing, and although the amount of seed fertilizer applied is not too large, because the seeds and fertilizer are mixed together during sowing, the seeds and fertilizer come into direct contact, causing seed burn and seedling burn.
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How can corn be managed better in the middle and late stages?
How should corn be managed well in the middle and late stages of cultivation? Please give guidance. The management of corn in the middle and late growth stages can refer to the following methods: Fertilization 1. Ear fertilizer. Generally, heavy nitrogen application is done at the large trumpet stage, accounting for about 50% of the total topdressing amount, with 30-40 kg of standard nitrogen fertilizer applied per mu. 2. Grain fertilizer. Generally accounts for about 10% of the total topdressing amount...
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How to manage summer corn in the middle and late stages? These key points must be mastered
How to manage summer corn well in the middle and late stages of cultivation? Please introduce the management methods. For managing summer corn in the middle and late stages, you can refer to the following methods: 1. Skillfully use water and fertilizer, promote throughout. Summer corn has a short growth period and a relatively concentrated demand for water and fertilizer, so it should be promoted throughout. 1. Irrigate the jointing water early and apply the jointing fertilizer early. Summer corn...
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How to prevent seedling burn when planting corn in summer?
How can seedling burn be prevented when planting corn in summer? Please explain the methods. When planting corn in summer, improper application of starter fertilizer makes summer corn prone to seedling burn, so first of all, choose the right fertilizer type and control the application rate. Urea and other urea-based fertilizers are not suitable as starter fertilizer, otherwise seedling burn easily occurs; a nitrogen, phosphorus and potassium compound fertilizer can be applied. Corn needs...
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What are the field management methods for summer corn planting?
How should summer-planted corn be managed? Please give guidance. For summer-planted corn, the following methods can be used for management: 1. Reasonably determine planting density. Planting density is the key to achieving a bumper corn harvest. The suitable density should be determined according to factors such as variety characteristics and soil fertility level. Thin and final thinning should be done in a timely manner to ensure planting density...
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What should be noted in summer corn seedling stage management?
What should be noted for summer corn seedlings? Here is an introduction. The following points should be noted for summer corn seedlings: 1. Check seedlings and fill gaps to prevent missing seedlings and broken rows. To ensure a full stand, check seedlings and fill gaps in time. After sprouting early-maturing varieties, replant, or before the seedlings reach the 4-5 leaf stage, transplant seedlings with soil in the afternoon or on cloudy days. When corn has 3-4 leaves, thin...
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How to manage corn at the seedling stage when it encounters summer high temperatures?
How to manage corn at the seedling stage when planted in summer high temperatures? Please give an introduction. The corn seedling stage is the foundational period for ensuring a high yield. The management goals at this stage are: promote root development, grow more roots, drive roots deep, and cultivate strong seedlings, so as to meet the requirements of sufficient seedlings, uniform seedlings, and strong seedlings. The focus of management is to strengthen water and fertilizer management and disease...
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How to Prevent "Banana Ears" in Summer Corn
How can banana ears be prevented when planting corn in summer? Please give an introduction. The "banana ear" of summer corn is a type of deformed ear, specifically shown as plants growing too tall with thin stalks, poor development of the main ear, no kernels or very few kernels, and in some plants, 3 to 5 small...
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