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.
The material made to stop erosion on a river bank is not biodegadable
( z1 possible :polarity - :ARG1 ( z2 biodegadable :domain ( z3 material :ARG1-of ( z4 make :ARG3 ( z5 stop :ARG0 z3 :ARG1 ( z6 erode :ARG1 ( z7 bank :part-of ( z8 river ) ) ) ) ) ) ) )