Vegetable fields cover wheat straw

2020-03-19 13:12:28

In addition to wheat straw used in papermaking, cultivation of edible fungi, and weaving, it can also be used to cover vegetables in tomatoes, cucumbers, eggplants, and long bean pods. The time must be controlled before pouring the water for the first time. The growth of the late wheat straw is not easy to rot, the wheat straw is evenly spread in the vegetable field, not exposed to the ground, about 5 cm in thickness.

Wheat straw mulching has the following functions: First, it enhances the ability to retain water and fertility. The wheat straw covered by the soil surface can not only increase rainfall infiltration, block the upward diffusion and evaporation of water, but also reduce the evaporation of soil moisture caused by solar radiation, prevent the loss of fertilizer, reduce watering 2 to 3 times, and save 20% of fertilizer. , saving 40%. The second is to reduce the occurrence of diseases. Rainy summer and autumn seasons can effectively prevent the spread of various diseases caused by rainwater, especially the proneness to the occurrence of M.sphaeroides disease, and basically does not happen, reducing the number of spraying and improving the safety and quality of products. The third is to suppress the growth of weeds. After the straw is covered, the light intensity on the surface of the soil is weakened, the photosynthesis of the weeds is affected, the growth of the weeds in the field is suppressed, and the growth intensity of the weeds is reduced, the weeding process is omitted, and labor is saved. The fourth is fertilizing fertility. After the vegetables are pulled, the straw (having black rot) is deeply turned to the ground, which increases the organic matter of the soil and releases nutrients such as nitrogen, phosphorus, and potassium. It can also improve soil physical and chemical properties and increase soil biological activity. Interested friends may wish to try.

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