How to stop erosion on a river bank<br>Use coir netting that's 700-900 grams per square meter (gsm). Coir netting is made from coconut fibers and is biodegradable. Normal or heavy duty netting should be used when there is a large amount of water flow.
Sometimes there can be a large amount of water flow.
( z1 possible :ARG1 ( z2 flow :ARG1 ( z3 water ) :quant ( z4 amount :mod ( z5 large ) ) ) :time ( z6 sometimes ) )