What is hydrogel film for farming, how does it work? where can i get some? I saw a short on tv about it but i only saw the ending.
2006-07-09 06:09:27 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Botany
In general it is a polyacrylimide crystal that absorbs water. You can find them at any gardening store under different names such as Hydrogel or Water Crystals. I run a small nursery and we buy ours from A.M. Leonard company. One jug goes a long way.
I'm not sure of the exact chemistry, but the polymer that the crystal is made out of probably has a highly hydrophillic properties. In crystal form the crystal lattice expands and traps water within it. So in practice you just put the crystals in a bucket and put water in it until it stops absorbing. It will have the consistency of wet oatmeal when it is done, and has a gel like feel.
2006-07-09 19:02:27 · answer #1 · answered by fidowithaspot 2 · 0⤊ 0⤋
it's used in the soil to retain moisture. it can be purchased at a nursery or try contacting your agriculture department
2006-07-09 10:08:45 · answer #2 · answered by harlyheart 1 · 0⤊ 0⤋
no idea
2006-07-09 18:35:03 · answer #3 · answered by The Knowledge Server 1 · 0⤊ 0⤋