Radiation use efficiency in winter wheat on different soils
2000
Faber, A. (Institute of Soil Science and Plant Cultivation, Pulawy (Poland). Dep. of Agrometeorology and Applied Informatics)
The data from field experiments carried out during four years were used to calculate RUE (Radiation Use Efficiency) in winter wheat on different soils. Above-ground biomass and LAI were measured every 7-10 days from shooting to anthesis. Intercepted PAR (Photosynthetic Active Radiation) was calculated from LAI and assumed radiation extinction coefficient (k=0.45) according to the Lambert-Beer law. It was assumed that the level of PAR was 0.5 of measured total solar radiation. RUE were estimated by fit a linear regression between cumulative biomass accumulation and cumulative radiation interception
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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