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- W3019715572 abstract "Integrating rice crop management involving using salt tolerant variety and proper cultivation is the main strategy to increase rice production under saline soils.Two field Experiments were conducted during 2006 and 2007 Rice growing seasons at the research farm of El-Sirw Agricultural Research Station Damietta Governorate, Egypt. The experiments were conducted to study the effect of three nitrogen levels o, 35 and70 kg N/fed and three potassium levels o, 24, 48.kgK2O/fed and their interaction on growth yield and its components of some rice genotypes (SK2046H or EHR1) (SK2034H or EHR2) i.e. hybrid ones and Giza 178 i.e. inbred one under saline soil conditions. Split – split plot design with four replications was used in the experiments , the varieties were distributed in the main plots the sub- plots were allocated to three nitrogen rates the sub plot were devoted to three potassium rates. The main obtained results could be summarized. The nitrogen levels had positive and significant effects on plant height, tiller number, panicle length, panicle number, filled grain / panicle, panicle weight, 1000 – grain weight, grain yield and straw yield. All rice cultivar significantly responded to nitrogen fertilizer up to 70 kg N/fed. Potassium fertilizer significantly increased rice growth, yield components and rice grain yield in both seasons. Rice response to potassium fertilizer was significantly up to higher potassium level of 48 kg K2O/fed. Egyptian hybrid one EHR1 (SK2034H) with 70kgN/fed and 48kgK2O/fed gave the highest values of estimated growth parameters, yield components and grain yield under current study. Rice genotypes significantly varied in their growth traits, yield component and grain yield as well as harvest index. (SK2034H) hybrid rice variety significantly surpassed other two tested genotypes followed by Giza 178 rice variety. (SK2046H) occupied the last rank.It could be concluded that EHR1 had to be fertilized by70 kg N/fed and 48 kg k2o /fed under current saline conditions for producing considerable grain yield." @default.
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- W3019715572 date "2011-12-01" @default.
- W3019715572 modified "2023-09-23" @default.
- W3019715572 title "EFFECT OF NITROGEN AND POTASSIUM LEVELS ON YIELD AND YIELD COMPONENTS OF SOME RICE GENOTYPES UNDER SALIN SOILS." @default.
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- W3019715572 doi "https://doi.org/10.21608/jpp.2011.85791" @default.
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