マルチングによる土壌侵食防止について

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タイトル別名
  • On the Prevention of the Soil Erosion by Mulching
  • マルチング ニ ヨル ドジョウ シンショク ボウシ ニツイテ

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The mulching makes good use a cultiyation techniques of the vegetables and fruits for the purpose of protecting of crop-root, keeping the soil temperature, the soil moisture, and preventing the damage, contamination rottenness of the crops by soil splashes at rainfall. And, it is a method with the prevention of soil erosion by rainfall at the farmland. The materials of mulching is used a plant residue, such as rice or wheat strow. Recently, its materials has frequently used the vinyl cloth that it has been the same effect, inexpensive and covering on the soil surface by a machine. This vinyl-mulching is very effective to a cultivation of crops, but it has a danger promoting the soil erosion according to use the vinyl-mulching at the slop farmland having up-down ridge. This report is a experimental research using the inclined soil-tank on the prevention effects of the soil erosion by mulching according to compare the rice strow and the vinyl cloth. The main results are as follows : The rice strow-mulching is very effective to the prevention of the soil ersion at slop farmland, and its effects is influenced considerably to an amount of the rice strow. The vinyl-mulching on the up-down ridge at the slop farmland occurs a large soil erosion at a part of non-covering the vinyl cloth as between of ridge. This research proved experimentally the danger of soil erosion that vinyl-mulching use the up-down ridge at slop farmland.

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