SCIENCE - Two biodegradable mulches found to be suitable polyethylene alternatives

Three potentially biodegradable plastic mulch products were evaluated by scientists over two growing seasons of broccoli to determine deterioration before and after soil incorporation. Pretillage mulch deterioration was evaluated in both growing seasons by rating the percent of visual deterioration. Post-incorporation mulch deterioration was measured for 13 months at the end of the first growing season. Results showed that two of the mulches coul ...

http://www.sciencedaily.com/releases/2014/02/140225112934.ht