Influence of different irrigation levels, planting methods and mulching on yield, water-use efficiency and nutrient uptake in yellow sarson (Brassica rapa)
DOI:
https://doi.org/10.59797/ija.v64i1.5244Keywords:
Cassimilation, Irrigation levels, Methods of planting, Mulch, N-uptake, Yellow sarson, YieldAbstract
A field experiment was conducted for 2 consecutive winter (rabi) seasons of 201415 and 201516 at G.B. Pant University of Agriculture and Technology, Pantnagar to evaluate the effect of irrigation levels, planting meth- ods and mulching on growth, yield, water-use efficiency, economics and nutrient uptake in yellow sarson {Bras- sica rapa (L.) var. trilocularis (Roxb.) Kitam}. Plant height, total dry matter, yield attributing characters, seed and stover yields, nutrient uptake by seed and stover, net returns and benefit: cost ratio were influenced significantly due to irrigation levels being the maximum at 1.2 IW/CPE ratio followed by 0.9 IW/CPE ratio. Higher water-use ef- ficiency (WUE) was recorded with irrigation at 0.9 IW/CPE ratio, which was at par with 1.2 IW/CPE ratio. The maxi- mum plant height, total dry matter, yield attributing characters, WUE and seed and stover yields, C assimilation and N uptake by seed and stover, net returns, B:C ratio were found with raised bed planting compared to flat bed planting. Yellow sarson sown with mulch produced significantly higher values of growth and yield attributing char- acters, seed and stover yields, WUE, nutrient uptake and economics compared to no mulch treatment.References
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