High yield targets in modern rice farming should be supported by effective and efficient fertilizer management practices. Over-dependence on blanket subsidy fertilizer recommendation is unable to produce high yield. Site-specific balanced fertilizer recommendation option by FERTO package is able to enhance crop performance, subsequently achieving high yield target. The significant yield increment (up to 300%) using FERTO package recommendation is accomplished because due consideration is given to four basic principles of fertilizer management, i.e. nutrient quantity, nutrient access, indigenous soil fertility status, and balanced crop requirement. Sitespecific approach of the FERTO package recommendation is complex. Therefore, FERTO package recommendation is more applicable to large-scale commercialized rice production. Thus, for policy formulation, FERTO package recommendation has to be transformed into formulation according to cropping zones. Development of fertilizer formulation according to cropping zone is more practical and can easily be managed by fertilizer suppliers and rice estate managers. The formulation can also be adopted by progressive small-scale farmers. Fourteen fertilizer formulations for specific management zones within the granary areas were identified in this study. The formulation is able to enrich proportionate vegetative and reproductive growth for high rice-yield performance. However, the application of FERTO package recommendation rate can be further enhanced by using straight fertilizers in place of the present subsidy mixture or compound fertilizers. These straight fertilizers are much cheaper compared to the mixture or compound fertilizers in the market. Therefore, the adoptions of FERTO package using straight fertilizers will reduce cost of production and ultimately increase net farm returns.
2012
English
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