Q. Which of the following plants are used as green manure in crop fields and sandy soils?
Answer: Crotalaria junecea and Alhagi camelorum
Notes: Crotalaria junecea and Alhagi camelorum plants are used as green manure in crop fields and sandy soils. The specific plant or crop varieties that are grown and turned into the soil, thereby improving its overall quality, is called green manure.

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