Genotypic variation in traditional rice varieties for chlorophyll content, SPAD value and nitrogen use efficiency
作者： Mian Sayeed Hassan , Abul Khair , M Moynul Haque , Abul Kalam Azad , Abdul Hamid
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摘要: Nitrogen % in both straw and grain, nitrogen uptake by total physiological use efficiency (PNUE) showed significant differences due to variable nutrient levels at maturity traditional rice varieties. PNUE ranges from 40.58 49.88 (kg/kg N). Significantly higher without addition of (Zero N) indicated the ability utilization native Traditional varieties produced kg grain zero treatment followed 45.93 cowdung (10 t/ha), while application 80 kg/ha nitrogen. The confirmed producing similar yield level compared added treatment. Bashful chikon, might be important content Badiruzzman considered more (0.71%). Barud also excellence with regards uptake. Leaf chlorophyll profile a very consistent all except Laichi. Soil plant analysis development (SPAD) value ranged 34.06 41.69, leaf 2.99 3.49 %. SPAD recorded over time four distinct patterns during 15 90 DAT. Key Words: Genotypic variation, varieties, value, efficiency. DOI: 10.3329/bjar.v34i3.3977 Bangladesh J. Agril. Res. 34(3) : 505-515, September 2009
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