首页|Effect of organic manures, PGPR and micronutrients on yield and quality enhancement in ajwain (Trachyspermutn ammi L)
Effect of organic manures, PGPR and micronutrients on yield and quality enhancement in ajwain (Trachyspermutn ammi L)
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NSTL
Experiments were conducted for two consecutive years during 2017-19 to study the effect of organic manures, PGPR and micronutrients on yield and quality of ajwain seed. Farm yard manure (FYM) and vermicompost (VC) were used as organic sources at 50% and 75% recommended dose of nitrogen (RDN) as basal dose. PGPRs namely Azospirillum lipoferum, Bacillus megaterium and Frateuria aurantia were used for seed priming. Micronutrients namely ZnS04 and Fe2S04 were applied thrice as foliar application @ 0.5% first before flowering, second at 50% flowering and third during grain formation. The results revealed that highest number of umbels plant1, umbellets umbel1, number of fruits umbellet1, seed yield plant1, seed yield hectare"1, straw yield, biological yield, test weight of seeds and essential 6il yield were recorded with the application of 50% RDN through VC, which was on par with 50% RDN through FYM, seed priming with Azospirillum and foliar application of zinc with respect to their individual effect. Maximum essential oil content, fixed oil content and thymol content were also observed in case of application of 50% RDN through VC, seed priming with Azospirillum and foliar application of zinc individually. Highest Benefit Cost Ratio (BCR) of 3.33 was recorded with combined application of 50% of RDN through FYM along with seed priming with Azospirillum and foliar spray of Zn at 0.5%.
NSTL
