a designation of specific soils by the state or U.S. Natural Resources Conservat

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试卷: SITES AP英文问答（v2）A[查看]
a designation of specific soils by the state or U.S. Natural Resources Conservation Service. Prime farmland is land that has the best combination of physical and chemical characteristics for producing food, feed, forage, fiber, and oilseed crops. They have an adequate and dependable water supply from precipitation or irrigation, acceptable acidity or alkalinity, acceptable salt, few rocks, and do not flood frequently.





本题解释:
Prime farmland