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Correlation Establishment between Rice Quality Improvement and Production Management
Paddy Field Server
Wireless Sensor Network
The rice producing quality are influenced by the main factors of the variety of rice and fertile of soil, and also the environmental climate at different growing stages for instance such plural factors as temperature, humidity, sunshine, soil moisture content, etc. and the appropriate production management of paddy field. In this year's research, paddy field-server was developed, which assemble such detecting devices as temperature, humidity, sunshine and real time image, etc. The intermediary and application software was also developed. The paddy field-server cooperate with the software were tested to construct paddy wireless sensing networking in the experimental farm of NCHU for long term, remote and automatic field data collection of rice growth environment, cultivate management and related quality factors. Therefore, in the future, studying the correlation between meteorological, environmental and physiological indicators with the rice quality, the optimal production management model can be built to increase the rice quality of Taiwan. Taiwan locates in the subtropical region, the lowest latitude area where japonica type rice is dominated cultivated, which is a challenge for the cultivation of the rice with good quality. In addition to the trends of global warming are going to be more detrimental for the quality of the rice cultivated in Taiwan. The objective of this study is to: 1. understand the climate characteristics of Taiwan rice cultivation areas; 2. analyze physiological growth pattern and indexes of modern quality rice cultivars; 3. clarify the relationship between quality formation and climate factors. Integrated results of the approach will benefit the design of good agriculture practice of Taiwan quality rice for the present and the coming future. To understand the correlation between climate factors and yield and quality characteristics, a year-round cultivation experiment with 7 transplanting dates were conducted this year. The present results revealed that 7 culture periods were covered with different accumulated heat units and radiation. Growth period with the highest accumulated heat units had the lowest effective panicle number per plant. Panicle weight per plant was decreased along with the increase of accumulation of heat units, suggesting a similar/negative trend between yield and accumulation heat units.
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