Method of cultivation of coal and lignite infields formed by...

Details Method of cultivation of coal and lignite infields formed by... Method of cultivation of coal and lignite infields formed by...

A - Human Necessities

01

G

A01G 1/00 (2006.01) A01G 9/24 (2006.01) C05D 3/02 (2006.01) C05F 11/02 (2006.01) C05G 3/04 (2006.01)

Patent

CA 2141681

A method is described to utilize used open-cast lignite mines by installing greenhouses with technological products attaining water economy of 7-8 times, unlimited nutritional capacity by enclosing pesticides and nutrients in a system of resins so as to release elements gradually, and with addition of calcium carbonate so as to limit the creation of sulfiric acid by the action of ground bacteria without pollution of the soil and therefore of need to move the greenhouses. This constitutes an original solution of agricultural utilization of these toxic and infertile soils.

Procédé pour cultiver des terrains lignitifères exploités à ciel ouvert, une fois qu'ils sont épuisés. Il consiste à installer des serres et des équipements technologiques permettant d'obtenir des économies d'eau 7 ou 8 fois plus importantes, et une capacité nutritive illimitée grâce à des pesticides et substances nutritives enfermés dans un système de résines et libérés progressivement, ainsi qu'à un apport de carbonate de calcium servant à limiter la formation d'acide sulfurique au moyen de l'action de bactéries présentes dans le sol. Ainsi, on évite toute pollution du sol, il n'est pas nécessaire de déplacer les serres, et l'on obtient une solution originale au problème de l'exploitation agricole de ces sols toxiques et inféconds.

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