Meena Sewhag*, D.S. Ahlawat, Ramparkash1, Neeraj Pawar2 and Meenakshi Sangwan3
CCSHAU Regional Research Station, Rohtak, Haryana, India
1Department of Soil Science
2Department of Agricultural Economics
3 Krishi Vigyan Kendra, Rohtak
Received-28.02.2022, Revised-12.03.2022, Accepted-25.03.2022
Abstract: There is a lack of sufficient research information pertaining to the effect of salt tolerant varieties and varying fertilizer levels on yield of mustard in Haryana. This calls for a need to generate more information on the performance of mustard to different varieties and fertilizer levels. Keeping in views the above facts a field experiment was conducted during Rabi season of 2020-2021 at Research farm of CCSHAU Regional Research Station, Rohtak. The objective of the experiment was to find out optimum fertilizer requirement of salt tolerant mustard varieties.The soil of the experimental field was sandy loam in texture, neutral in reaction, low in organic carbon and available nitrogen, medium in available phosphorus and high in available potassium. The experiment was laid out in Split plot design with four mustard varietiesviz. V1:CS54, V2: CS58, V3: CS60 and V4: RH 725in main plot and four fertility levels viz. F1: Control, F2: 100 % RDF, F3: 125 % RDF and F4: 150 % RDF in subplot with three replications. Results revealed that Mustard variety RH 725 took significantly more number of days for flowering and maturity while variety CS 54 took least number of days to flowering and maturity. RH 725 produced significantly taller plants as compared to other varieties whereas; CS 54 produced smallest plants which were at par with CS 58. Similarly mustard variety RH 725 produced significantly more number of primary and secondary branches/plant, siliqua length, number of seeds/siliqua and 1000 seed weight as compared to other varieties. Moreover, RH 725 also produced significantly higher grain; straw and biological yield. Increasing fertility levels from 100% RDF to 150 % RDF delayed the maturity of mustard crop. There was significant increase in plant height, siliqua length, number of seeds/siliqua and 1000 seed weight of mustard with the increasing levels of fertilizers. Application of 150 % RDF being at par with 125% RDF recorded significantly higher grain, straw and biological yield of mustard.
Keywords: Fertility levels, Fertilizers, Mustard, Seed
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