Abstract
The experiment to investigate the impact of Zn and B on yield of some rice cultivars was carried out during 2013 to 2015 at the experimental field of Shaheed Benazir Bhutto Rice Research Institute (previously RRI) Dokri, Larkana. Five rice varieties (IR6, IR8, DR92, DR83 and Shahkar) were selected for the purpose. B at 5 Kgha-1 as Boric Acid (H3BO3) in addition to Zn at 15 Kgha-1 as Zinc Sulphate di-hydrate (ZnSO4.2H2O) along with recommended doses of nitrogen as Urea CO(NH2)2; phosphorus as DAP (NH4)2HPO4 were applied in each plot with treatments viz. control (N+P); T1 (N+P+Zn) and T2 (N+P+Zn+B). Yield (tons ha-1 ) of paddy rice was calculated as total paddy weight Kg/plot /15X10000/1000. Data statistically was analyzed using SPSS software version 17. Differential insignificant (P<0.05) response by cultivars was found over application of control (nitrogen and phosphorus only) whereas application of both Zn and B in joint venture with recommended doses of N and P paddy yield of cultivars increased significantly (P<0.05) by 44.83 to 60.29 percent. The harvest years irrespective of varieties showed no significant impact, whereas varieties were found to be important factor that showed differential responses upon yield, might be due to parental inheritance impact upon all fertilizer applications in each harvest year. Application of recommended doses of N and P along with B and Zn at 5.0 and 15 Kgha-1 , respectively boosted the profitability by increasing yield quantum of paddy rice.
MUHAMMAD ABBAS BHUTTO, FAIZA ANWAR, MOHEYUDDIN KALOI. (2017) ASSESSMENT OF TOTAL FAT CONTENT AND YIELD INCREASE IN SOME RICE CULTIVARS UPON ADDITION OF ZN AND B., fuuast Journal of Biology, Volume 7, Issue 1.
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