AGRICULTURAL FUMIGATION USING A MULTILAYER FILM INCLUDING A PVDC VAPOR BARRIER

• Main Authors: LANE DENNIS, CARN CHARLES A, WHITE MICHAEL, WEISS ANTHONY, VAN WESENBEECK IAN, BUSACCA JOHN D, HOWARD PHILLIP J
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2017
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED; FISHING; FORESTRY; HORTICULTURE; HUMAN NECESSITIES; HUNTING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL; PERFORMING OPERATIONS; SOIL WORKING IN AGRICULTURE OR FORESTRY; TRANSPORTING; TRAPPING; WATERING

Methods for fumigating soil include providing a fumigant including at least one volatile substance into or onto soil and applying over the soil a multilayer polymeric film to form a vapor barrier between the fumigant-treated soil and the atmosphere to at least partially contain the fumigant. The multilayer film includes at least one barrier layer comprising at least one vinylidene chloride polymer and protecting layers on each side of the barrier layer. The multilayer film preferably has at least one UV protecting layer and optionally at least one reflective layer. 本发明涉及熏蒸土壤的方法，所述方法包括向土壤中或向土壤上提供包括至少种挥发性物质的熏蒸剂并在所述土壤上铺施多层聚合物膜以在经熏蒸剂处理的土壤和空气之间形成蒸气屏障以至少部分含有所述熏蒸剂。所述多层膜包括至少个包含至少种偏二氯乙烯聚合物的屏障层和在所述屏障层的每侧上的保护层。所述多层膜优选具有至少个UV保护层和任选的至少个反射层。