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.
use coir netting that is 400 gsm
( z1 use :mxde imperative :ARG0 ( z2 you ) :ARG1 ( z3 netting :mod ( z4 coir ) :ARG1-of ( z5 equal :ARG2 ( z6 small-molecule :name ( z7 name :op "400" :op "Gsm" ) ) ) ) )