Mulch sheet and method of manufacture
US8122639B2 · kind B2 · utility
1Cited by
5References
2Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Jun 13, 2008 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Jan 11, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G13/32
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for manufacturing a functional mulching film for rice direct seeding, and a mulching film manufactured by the same method. The mulching film is installed in a paddy field and formed to suppress weed growth and contains a fertilizer for enhancing rice growth and a powder ore for reinforcing the fertility of the soil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.