International Journal of Chemical Studies
Vol. 6, Issue 2 (2018)
Yield, nutrient content, nutrient uptake and economics of sorghum [Sorghum bicolor (L.) Moench] genotypes as affected by different fertility levels
Author(s): Kaushal Kishor, MK Kaushik, Bharati Upadhaya and BS Meena
Abstract: A field experiment was conducted at Rajasthan College of Agriculture, Udaipur during kharif season of 2016 to evaluate yield, nutrient content, nutrient uptake and economics of sorghum [Sorghum bicolor (L.) Moench] genotypes as affected by different fertility levels. Treatments comprised of three fertility levels, viz. 75%, 100% and 125% recommended dose of fertilizers (RDF 100 kg N ha-1, 50 kg P2O5 ha-1 and 50 kg K2O ha-1) with five different types of genotypes, viz. CSH 14, SPV 2293, SPV 2308, SPV 2307 and CSV 17 were laid out in factorial randomized block design and were replicated thrice. Among the different genotypes, csh 14 exhibited significant superiority in terms of grain yield (4230 kg ha-1) and maximum harvest index (32.53%) was reported in case of CSV 17, however highest stover yield (12707 kg ha-1) and biological yield (15940 kg ha-1) were recorded in SPV 2293. The highest N and P content in grain and stover & K content in stover were recorded in CSH 14. While, highest K content in grain was recorded in CSV 17. Genotype CSH 14 recorded maximum N, P, K uptake in grain and total N and total P uptake; however, SPV 2293 recorded highest N, P, K uptake in stover and total K uptake. The highest net return (₹ 65266 ha-1) and B: C ratio (2.95) was found in CSH 14. Treatment with 125% RDF recorded significantly higher grain, stover and biological yield over 75% and 100% RDF. However, harvest index was found non-significant to different fertility levels. 125% RDF provided significantly higher N, P & K content in grain as well as in stover over the lower doses i.e., 75% and 100% RDF while, both these doses were found statistically at par with each other. 125% RDF significantly improved N, P & K uptake by grain, stover and total uptake by crop over 75% and 100% RDF. 125% RDF also recorded significantly higher net return and B: C ratio over both the lower doses.
Pages: 1581-1585 | 258 Views 8 Downloads
How to cite this article:
Kaushal Kishor, MK Kaushik, Bharati Upadhaya, BS Meena. Yield, nutrient content, nutrient uptake and economics of sorghum [Sorghum bicolor (L.) Moench] genotypes as affected by different fertility levels. Int J Chem Stud 2018;6(2):1581-1585.