Pemanenan Air Hujan Mengunakan Konsep Zero Runoff System (ZROS) dalam Pengelolaan Lahan Pala Berkelanjutan

South Aceh district has a very high average monthly rainfall of 281.4 mm/month, so it has a high potential of runoff. The availability of abundant rainfall during the rainy season has not been used optimally in dry season. A part of rainfall would become surface flow so that the plant cannot use it effectively. The impact of high surface flow will cause in loss of soil humus which leads to the decline of soil fertility. Technical design of rainwater harvesting systems which is effective for soil and groundwater conservation and for fulfil water needs from nutmeg crops could be constructed as: rainwater harvesting systems by using rorak equipped with infiltration channels. Rorak layout and channel infiltration should be adjusted to the contour of the land. Rorak dimensions are determined by the discharge of surface flow, which has the maximum depth of 30 cm, width of 40 cm and length of 100 cm. Each rorak is built with infiltration channels on the left and right side with lengt hand depth of 10 cm and width of 20 cm.

Abstract licence: CC BY-ND

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