First, ensure proper site preparation and maintenance.
Considering the low soil moisture content and the fact that more land is available in the fall, it's essential to prepare the ground properly to ensure all seedlings are sown at the same time. The original ridge blocks for corn planting should be prepared in advance. The depth of both manual and mechanical planting should be appropriate, avoiding excessive movement that could lead to unnecessary losses. After using a net rake, it's important to squat down promptly, pressing the soil and filling the gaps between the ridges. This helps destroy capillary pores, increase the isolation layer, and maintain moisture levels. In autumn, the ridges and fields should be compacted in a timely manner. Autumn plowing doesn't require tilling the entire field; once the soil thaws to 8–10 cm, you can create furrows using the diagonal method to ensure quality. It’s also necessary to press the soil adequately to reach the ideal sowing condition.
Second, carry out timely plowing and sowing.
Due to low soil moisture and windy spring conditions, evaporation is high, and moisture is lost quickly. Therefore, under favorable conditions, it's crucial to sow as soon as possible to take advantage of the existing moisture. Sowing should be done according to accumulated temperature to maximize the chances of successful germination.
Third, implement mechanical sowing with care.
Whether or not corn can be seeded in one go largely depends on mechanical sowing. Using machines offers several benefits: it shortens the sowing period, allowing corn to be planted quickly and efficiently. It also enables deeper fertilizer application, reducing conflicts between fertilizers and seeds. Additionally, it allows for flat ridge planting without damaging the plow layer, preventing mixing or displacement of the soil. Machine sowing ensures even seed distribution, uniform soil coverage, and proper depth, leading to consistent emergence and easier growth.
Fourth, apply new technologies to improve drought resistance.
1. Select high-quality varieties that enhance germination rates, ensuring seeds don’t rot after sowing and producing healthy seedlings.
2. Use mulch films to protect the germination site and conserve moisture.
3. For very dry plots, consider transplanting seedlings as an alternative cultivation method.
4. Apply root-promoting agents to increase root development, enhancing water absorption and supporting normal plant growth.
5. Utilize organic polymer absorbent resins, which have strong water-absorbing properties and form a gel after absorbing water. This reduces water loss through transpiration and leakage, creating a small reservoir around the roots for sustained water supply.
6. Apply drought-resistant yield enhancers, which are super-absorbent materials containing trace elements and plant growth regulators. These help crops utilize deep soil moisture effectively, improving yield and resilience in dry conditions.
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