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Integration of RS, GIS and AHP for Hanoi Peri-Urban Agriculture Planning Results and discussion The vegetable market linkage (figure 4.1) shows that most of the vegetable products are served from peri-urban districts i.e. Dong Anh, Gia Lam, Tu Liem and Thanh Tri (table 4.1). Some provinces of Vietnam and China are also providing the vegetables products into the Hanoi urban. About nineteen types of vegetable products were found while surveying in market center in urban area. According to the properties of vegetable products supplied in urban, it was further aggregated into four groups as Fruits, Brassica, Leafy and Root types vegetables. The survey exhibited that overall 59% of marketed vegetables are produced in the province itself. Within the province, the fruits, brassica, leafy and root vegetable products contribute to the urban market centers for 44.39%, 65.11%, 67.25% and 59.72% respectively. The Dong Anh district, northern peri-urban district of the provinces, contributes 25.51% of total vegetable input. The Gia Lam, Tu Liem and Thanh Tri districts support about 14%, 9% and 8% of various vegetable products to the urban dwellers, respectively. Very nominal amount of vegetable products is also marketed from two urban districts i.e. Cau Giay and Tay Ho. However, about 15% vegetable is brought from Ha Tay provinces whereas 13% and 4% out of total come from Hung Yen and Vinch Phuc provinces respectively. Other provinces such as Bac Giang, Hai Phong, Ha Nam, Bac Ninh, Lam Dong, Son La and Ha Nam contribute in a small amount of vegetable in some seasons. There were some vegetable brought from China also, which accounts for 1.92% of the total. The results show that there is a significant linkage between peri-urban and urban and outer provinces. Even though, it presents only overview of the vegetable markets or vegetable input in urban areas but silently, in turn, the farmers get directly benefited in terms of economic perspectives from these activities.  Figure-4.1: Vegetable Input Linkage
Saaty’s model called AHP (Analytical Hierarchical Process) was used to determine the priority weights of the selected parameters (land use, soils, water resource, road and market). The Hanoi experts’ judgment in pair-wise comparison between peri-urban agriculture parameters are identified their respective priority weights as soil (37), land use (31), road (16), water resources (10) and market (6). |