Abstrack:
Based on the condition of limited of land for agricultural activities to fulfill the food needs especially in Bantul Regency Yogyakarta Province, it is needed an innovation that can support the various agricultural activities. The innovation will be more focused on using of marginal land for sorghum cultivation to improve the productivity of land. So far, villagers have been utilizing home garden for various farming production in micro scale for the domestic needs. In addition to home garden, land resources are also available surrounding the village such as land along river bank and sandy land in coastal area can be utilized for agricultural production in Bantul Regency. The aims of this research are (1) To determine the adoption technology in sorghum farming by farmers in marginal areas, Bantul Regency (2) To determine the diffusion technology in sorghum farming by farmers in marginal areas, Bantul Regency and also (3) to identify various problem and to find problem solving faced by farmers. This research operationally was conducted by survey method. Sampling technique was done by purposive sampling by choosing the farmers who have been experiencing in sorghum cultivation sorghum in Bantul Regency. The research result showed that the adoption?s farmer cultivation of sorghum in marginal land up to 75,21%, process diffusion to transfer innovation using agent of change/extension officers, farmer group, and group leader and the last is the problem solving for sorghum cultivation there is availability land can be used marginal land such as land along river bank, sandy land in coastal area, and home garden; water availability can be solve with sorghum cultivation because it?s needs less water and sandy land to cultivation of sorghum; choice red varieties sorghum to avoid attract birds; underdeveloped market can be arranged by a cooperation with food industries; processing of product could create the value added; and giving skill to women farmer to make several product domestic for flour sorghum.
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