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Vegetable fields cover wheat straw
In addition to being used in papermaking, cultivating edible mushrooms, and weaving, wheat straw can also be applied as a mulch for vegetables such as tomatoes, cucumbers, eggplants, and long beans. It's important to manage the timing of the first watering properly. The late-stage wheat straw is less prone to rot, so it should be evenly spread across the vegetable field, not left exposed on the ground, with a layer of about 5 cm in thickness.
Wheat straw mulching offers several benefits. First, it enhances water retention and soil fertility. By covering the soil surface, the straw increases rainwater infiltration, blocks upward water movement and evaporation, and reduces moisture loss due to sunlight. This helps conserve water, reducing irrigation by 2 to 3 times, and saves up to 20% on fertilizer use while cutting costs by 40%. Second, it helps reduce disease occurrence. During rainy summer and autumn seasons, the mulch prevents the spread of various diseases caused by rainwater, especially the common M. sphaeroides disease, which rarely occurs, thus minimizing the need for pesticides and improving product safety and quality. Third, it suppresses weed growth. The reduced light intensity under the straw hinders weed photosynthesis, slows their growth, and eliminates the need for manual weeding, saving labor. Lastly, it acts as a natural fertilizer. After the vegetables are harvested, the decomposed straw (which has turned black and rotted) is deeply incorporated into the soil, enriching it with organic matter and releasing essential nutrients like nitrogen, phosphorus, and potassium. This improves soil structure, enhances its chemical and physical properties, and boosts microbial activity in the soil.
If you're interested in sustainable farming practices, this method is definitely worth trying. It’s an eco-friendly and cost-effective way to improve your garden or farm.