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Soil management concerns all operations, practices, and treatments used to protect soil and enhance its performance. ==Practices== Soil management practices that affect soil quality:〔(Soilquality.org - Soil Management Practices )〕 * Controlling traffic on the soil surface helps to reduce soil compaction, which can reduce aeration and water infiltration. * Cover crops keep the soil anchored and covered in off-seasons so that the soil is not eroded by wind and rain. * Crop rotations〔(Soil Management - Penn State )〕 for row crops alternate high-residue crops with lower-residue crops to increase the amount of plant material left on the surface of the soil during the year to protect the soil from erosion. * Nutrient management can help to improve the fertility of the soil and the amount of organic matter content, which improves soil structure and function. * Tillage, especially reduced-tillage or no-till operations limit the amount of soil disturbance while cultivating a new crop, and help to maintain plant residues on the surface of the soil for erosion protection and water retention. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「soil management」の詳細全文を読む スポンサード リンク
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