| Abstrak/Abstract |
Intensive rich cultivation with standing water especially double cropping with unsynchronized planting and harvesting time increased several pest intensities such as stem borer and brown plant hopper. Delanggu area of Klaten district was for longer time recognised for rice centre area of Central Java Province due to fertile soil and abundant water availability, however since 1970 this area has been considered as an endemic for several rice insects and diseases. This area is therefore chosen as a site to conduct an action research for area based cultivar rotation for Rice Sustainable Intensification. In order to evaluate the effectiveness of cultivar rotation to maintain the rice productivity in the pest and diseases endemic area, several research methods such as survey, and action research have been applied. With focus group discussion, it was found that farmers have been familiar with rice high yielding varieties, however their decision to choose a proper cultivar was dependent upon the field experience and market seed availability. Each farmers managed approximately 0.2 ha and decided themselves the cultivar and planting date. Farmers did not understand cultivar rotation. Farmers agreed to cultivate similar cultivar rotationally, if the planting time could be tolerated in a week. Action research has been simultaneously done 2 seasons. The number of farmers and area involved increased at the second season. The pest accident could be solved properly through integrated pest management approach and good productivity has been earned. Sustainable intensification through synchronized cultivar rotation could probably maintain crop productivity. |
