Impact of fertilizer and herbicide application on performance of tenbarley genotypes grown in north-eastern part of Jordan
2005
Al-Tawaha | A.R.M.
Field trials were conducted at Jordan University of Science andTechnology campus (JUST) in north-eastern part of Jordan during 1997-98, and 1998-99 growing seasons. Ten barley genotypes were evaluatedfor grain yield and yield components in response to fertilization andherbicide applications. A split block design was used with threereplications. Genotypes were randomly assigned to plots within blocks.The combinations of fertilizer and herbicide application were applied instrips across the genotypes. Grain yields were greater in the firstgrowing season compared to the second growing season. Highest grainyields, spikes m-2, and grains spike-1 were recorded with fertilizerapplication in both growing seasons, but it was not affected withherbicide applications. The Baladi barley and Rum genotypes gavesignificantly highest, spikes m- 2 and grain yield than other genotypestested in both growing seasons. In any treatment combinations andgrowing season Rum genotype produced significantly heavier grainweight than other genotypes. Application of 100 kg ha-1 (dia mmoniumphosphate) and 50 kg ha-1 urea as top dressing is recommended forproducing higher grain yield by all genotypes. While application of broadleaf herbicide was not critical.
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