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Conversion coefficients between intercepted solar radiation and tuber yeilds of potato crops under tropical highland conditions

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A relationship between intercepted solar radiation and tuber yield was established in field experiments in Rwanda involving seed size, planting density, NPK and different clones. The experiments were planted at 2350 m above sea level under rainfed conditions. The conversion coefficient between intercepted radiation and tuber dry matter production tended to increase when the apparent tuber initiation of the crop took place at higher values of intercepted radiation. These findings were quantified and their causal relation is discussed.

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Haverkort, A.J., Harris, P.M. Conversion coefficients between intercepted solar radiation and tuber yeilds of potato crops under tropical highland conditions. Potato Res 29, 529–533 (1986).

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