Key points of Maize cultivation techniques
Corn is a common food crop in China, which is basically planted in every region, and in the northeast, there are subsidies for planting corn on a large scale, so what are the key points of corn cultivation techniques?
1. Seed selection and seed treatment
When selecting seeds, try to select suitable seeds according to the local climate, generally use drought-resistant compound seed coating agent to coat maize seeds to enhance root vitality and self-stress resistance, and improve seed water absorption and water retention. After selecting the seeds, soak the corn seeds in 20-25 ℃ warm water for two days and nights, then dry and sow them to improve the ability of drought resistance. The method of soaking seeds with chemicals also has a good effect on drought resistance and seedling protection of maize.
2. Land preparation
Straw mulching and other methods are used to reduce water evaporation, preserve air precipitation and improve soil moisture.
3. Sowing seeds
Sow seeds at the right time according to local conditions. Generally, when sowing, the density should be appropriate, and each cave can sow two or three seeds.
4. Management technology after sowing.
The main results are as follows: (1) Formula fertilization: increase the application of organic fertilizer and combine with chemical fertilizer to transfer water with fertilizer, coordinate water and fertilizer and improve water use efficiency.
(2) suitable interplanting: making use of the characteristics of drought tolerance in maize seedling stage, interplanting in wheat field can basically meet the water demand of maize growth and development. Applying organic fertilizer in furrow, applying organic fertilizer to preserve soil moisture, interplanting corn in wheat field and covering wheat straw between rows play an important role in saving water, preserving soil moisture and improving soil fertility.
(3) strengthen field management: loosen soil frequently, weed, improve soil permeability, increase soil microbial activity, reduce surface water evaporation and surface runoff, so as to promote root growth and improve drought resistance of maize.
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Thorn bubble is a kind of wild fruit, which is the memory of many people when they were young, but it is not easy to eat it at ordinary times, so some people want to plant it, so can it be planted artificially? Thorn bubbles can be planted artificially, usually by cutting propagation, root tiller propagation and plant transfer.
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Watermelon is one of the most popular fruits in summer. It relieves anxiety, tastes delicious and sweet, and is suitable for all ages. So when will Sichuan watermelons be sown? Let's have a look together! First, when to sow Sichuan watermelons? Sichuan watermelons are mostly sown in late spring from March to April each year.
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