A bogey land of sand. Although mulching can increase the ground temperature, due to the small amount of water in the sand and the change in the ground temperature, after covering the film, the ground temperature is too high at noon during the hot sun. Under severe drought conditions, crop production is likely to be reduced.
Second, avoid barren land. After the poor land covers the film, it is not convenient to chase fertilizer. Before the planting, no basal fertilizer was applied. It was not easy to increase the yield after covering the film.
Three avoid clay texture. This type of soil preparation is difficult and difficult to thin, and the mulch film is difficult to keep close to the ground. It is easy to be blown off when the wind blows.
Four to avoid weeds and more land. This kind of weed out of the earth will puncture or lift the mulch.
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