Which of the Following Is Not a Characteristic of Alley

question 18

Multiple Choice

Which of the following is not a characteristic of alley cropping systems that are being studied as one alternative to slash-and-burn systems?

• A)Food crops are grown in alleys with borders provided by woody species.
• B)Nutrients accumulated from subsurface soil layers by the border plants are added in residues to the surface of the cropped areas.
• C)The woody border plants help conserve water in the cropped alleys by shading the soil.
• D)Organic mulch cut from border plants helps control weeds and prevents runoff and erosion.
• E)crop yields in humid regions have generally been satisfactory using this system

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