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Agronomy QUESTION #2070
Question 1
Strip cropping, as a specialized form of multiple cropping, provides the additional agronomic benefit of:
  • Increasing pest pressure by creating habitat corridors
  • Reducing soil erosion by wind and water — alternate strips of row crops and close-growing crops (grasses, legumes) break wind velocity, trap runoff, and stabilize soil — while also providing biological control corridors and facilitating crop rotation✔️
  • Requiring no specialized machinery for planting
  • Eliminating the need for crop rotation due to the diversity within strips
Correct Answer Explanation
Strip cropping arranges different crops in alternating strips across slope or perpendicular to prevailing winds. Close-growing strip crops (alfalfa, small grains) act as barriers: reducing wind erosion between strips of row crops (maize, cotton), intercepting runoff and sediment, harboring natural enemies of pests, and facilitating rotation management on each strip over years.