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.
erosion on a river bank cannot be stopped using any biodegradable netting 
( z1 possible :polarity - :ARG1 ( z2 stop :ARG1 ( z3 erode :ARG1 ( z4 bank :part-of ( z5 river ) ) ) :manner ( z6 use :ARG1 ( z7 netting :ARG1-of ( z8 biodegradable :ARG1-of ( z9 possible ) ) :mod ( z10 any ) ) ) ) )