soil binder

American  

Or soilbinder

noun

1. a plant that prevents or inhibits erosion by providing a ground cover and forming a dense network of roots that hold the soil.

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Example Sentences

See Examples For:

soil binder

This grass is also an excellent soil binder, as its roots form a perfect matting in any kind of moist soil soon after planting.

From A Handbook of Some South Indian Grasses by Rangachari, K.