abstract |
POLY-A-OLEFIN FILMS FOR USE A AGRICULTURAL GROUND COVER CAN BE MADE HEAT ABSORBENT TO ASSIST IN PLANT DEVELOPMENT WHILE PREVENTING WEED GROWTH, AND THEREAFTER HEAT REFLECTIVE TO GIVE INCREASED CROP PRODUCTION, AND THEREAFTER FRIABLE, BY THE INCORPORATING INTO THE FILM COMPOSITION CERTAIN FUGITIVE HEAT ABSORPTIVE COLORANTS, LIGHT REFLECTIVE OPAQUING PIGMENTS, AND PRO-OXIDANTS. |