Rice (Oryza sativa L.) yields in South Sulawesi, Indonesia have declined in some areas despite the use of significant quantities of urea and triple superphosphate (TSP). Chlorotic plants were observed to be growing on these low‐yielding areas despite the application of N. A series of field trials were conducted to examine the S status of soils in the area.
In these experiments S was applied in various forms and yields were measured from unfertilized, NP, and NPS treatments at each of 28 sites. Responses in rice grain yield to applied S were measured at 18 sites. The magnitude of the responses ranged up to 278% with an average grain yield response over the 28 sites of 18.6%. The widespread nature of the responses in soils derived from varying parent material and in different river basins suggest that some 60 to 70% of the agricultural areas of the province is deficient in S.
The tourism development of the Tongke-Tongke Mangrove Forest in Sinjai Regency, occurred because of internal inequalities that were difficult to resolve, stagnant direction of development, and limited management capacity, while the community's need for quality services was higher. So that an active movement is needed by actors to mobilize and organize development. The purpose of this study is to find out the collaborative process that occurs in achieving development in an effective, accountable, transparent and fulfilling public needs. This type of research uses a qualitative approach with descriptive research types. The results showed that the collaborative practice in the development of Tongke-Tongke mangrove forest tourism in Sinjai District was the best solution in responding to the limitations of each actor in coordinating with the Sinjai District's organizational units, creating participation and synergy of communicative, open actors and able to give rise to the trust and commitment of the actors to create common understanding in overcoming Tongke-Tongke development problems in mangrove forest tourism.
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