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A Calculation Method of in vivo Energy Consumption in Estimation of Harvesting Date for High Potato Solids  

Jung, Jae-Youn (E O Gong Gam Co., Ltd.)
Suh, Sang-Gon (Dept. of Horticultural Science, Yeungnam Univ.)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.55, no.4, 2010 , pp. 284-291 More about this Journal
Abstract
A simulation modeling for predicting the harvesting date with high potato solids consists of development of mathematical models. The mathematical model on potato growth and its development should be obtained by using agricultural elements which analyze relations of solar radiation quantity, temperature, photon quantity, carbon dioxide exchange rate, water stress and loss, relative humidity, light intensity, and wind etc. But more reliable way to predict harvesting date against climatic change employs in vivo energy consumption for growth and induction shape in a slight environmental adaptation. Therefore, to calculate in vivo energy loss, we take a concept of estimate of the amount of basal metabolism in each tuber on the basis of $Wm={\int}^m_tf(x)dt$ and $Tp=\frac{Tm{\cdot}Wm^{Tp}}{Wm^{Tm}}$. In the validation experiments, results of measuring solid accumulation of potato harvested at simulated date agreed fairly well with the actual measured values in each regional field during the growth period of 2005-2009. The calculation method could be used to predict an appropriate harvesting date for a production of high potato solids according to weather conditions.
Keywords
high potato solids; simulation; modeling; energy consumption; harvesting date; climatic change;
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