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Effect of Fluorine Added to the Culture Solution at Various Growth Stages on the Growth of Rice Plants(Modelling, Information Technology and Environment)
Fluorine Growth Growth period Rice plant Solution culture
2009/7/15
The effect of fluorine (HF) added to the culture solution on the growth of Oryza sativa L.cv.Koshihikari was investigated. HF was added to the culture solution at 50 ppm for 10 days at the active-til...
Preference and Feeding Behavior of Apple Snail, (Pomacea canaliculata), for Fruits and Vegetables(Modelling, Information Technology and Environment)
Apple snail Feeding behavior Pomacea canaliculata Preference Rice seedling Vegetable
2009/7/15
To pursue the possibility of controlling apple snail damage on rice seedlings, the preferences and feeding behavior of the apple snail, under the use of fruits and vegetables as attractants in rice fi...
The Change in the Quality of Irrigation Water in Ten Years in Fukuoka Prefecture (<Regular Paper>Modelling, Information Technology and Environment)
COD EC Irrigation water Polluted water Total nitrogen Total phosphorus
2009/7/14
The chemical properties of irrigation waters in Fukuoka Prefecture were examined from 1986 to 1988. The irrigation waters were sampled at 46 place several times during the period from puddling of pad...
Estimation of Young Panicle Length and Cool Injury of Rice Using Cumulative Temperature (<Regular Paper>Modelling, Information Technology and Environment)
Accumulated temperature Cool injury Developmental stage Prediction Rice Young panicle length
2009/7/14
The method of estimating the developmental stage necessary to prevent and analyze the cool damage in rice plants using meteorological elements was examined. We investigated the relationship between th...
A Simple Model to Predict the Developmental Stages of Rice Panicles Using the Effective Accumulative Temperature(Modelling, Information Technology and Environment)
Cool summer damage Developmental model Early warning system Effective accumulated air temperature Kernel Paddy rice
2009/7/10
An early warning system for preventing the decrease in rice yield by cool summer damage in the whole Tohoku area is constructed. This needs to predict the developmental stages of rice plants from the ...
Effect of Coating of Rice Seeds with Imidacloprid together with an Oxygen Supplier on Seedling Emergence(Modelling, Information Technology and Environment)
Chemical injury Imidacloprid Oxygen supplier Rice Seedling emergence Submerged direct seeding
2009/7/10
The coating of rice seeds with Imidacloprid together with an oxygen supplier is effective in controlling the plant hopper and green leafhopper. The effect of the method of mixed coating on seedling em...