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.
Light coir netting when there is a large amount of water flow
( z1 net :mod ( z2 coir :ARG1-of ( z3 light ) ) :time ( z4 flow :ARG1 ( z5 water ) :quant ( z6 amount :mod ( z7 large ) ) ) )