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Extreme climate cause the water shortage regionally also soil salinity, the soil is no longer fertile ,is the one reason that food shortage .Coffee grounds mulch designs for farmland lacking of nutritions.The blanket shape is suitable for cover huge sizes of farmland.Vacuum compressed seeds caught in the Coffee grounds mulch , to sowing large area, Irrigation channel adjust distance of the seed according to the different crops .The material of Coffee grounds can be gradually absorbed and decomposed by the soil, to solve excessive labor force and improve planting yield .
Yung Yu Wang,
Yu Ling Zheng,