EFFECT OF RHIZOBIUM INOCULANT, MOLYBDENUM AND COBALT ON NODULATION AND NUTRIENT UPTAKE OF SUMMER GREEN GRAM [Vigna radiata L.]

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dc.contributor.advisorZinzala, V.J
dc.contributor.authorChaudhari, S. R.
dc.date.accessioned2018-02-08T10:25:38Z
dc.date.available2018-02-08T10:25:38Z
dc.date.issued2016-07
dc.description.abstractA field experiment entitled “Effect of Rhizobium inoculant, molybdenum and cobalt on nodulation and nutrient uptake of summer green gram [Vigna radiata L.]” was conducted during summer season of 2015 at KVK Farm, Waghai (Dangs), Navsari Agricultural University, Navsari. The soil of experimental field was clayey loam in texture, high in organic carbon (0.95%), low in available nitrogen (233 kg ha-1) and phosphorus (24 kg ha-1), fairly high in available potassium (312 kg ha-1) and slightly acidic in reaction (pH 6.4). Eight treatments comprised of Rhizobium, cobalt and molybdenum viz., Control (T1), 10 ml Rhizobium kg-1 seed (T2), 8.0 mg Co kg-1 seed (T3), 16.0 mg Mo kg-1seed (T4), 8.0 mg Co kg-1 seed + 16.0 mg Mo kg-1 seed (T5), 10 ml Rhizobium kg-1 seed + 8.0 mg Co kg-1 seed (T6), 10 ml Rhizobium kg-1 seed + 16.0 mg Mo kg-1 seed (T7), 10 ml Rhizobium kg-1 seed + ABSTRACT 8.0 mg Co kg-1seed + Mo kg-1 seed (T8) were evaluated in randomized block design with three replications. Various growth and yield attributing characters of summer green gram viz., plant height, number of nodules, fresh and dry weight of nodules, number of pods, number of seeds per pod, test weight, as well as seed and stover yield per hectare were significantly influenced by different treatments. An application of 10 ml Rhizobium inoculant with 8.0 mg cobalt and 16.0 mg molybdenum with per kg seed treatment of summer green gram crop resulted in significantly higher plant height (58.72 cm), number of nodules (21.22), fresh (1.30g) and dry (0.70 g) weight of nodules, number of pods (28.4), number of seeds per pod (8.2) test weight (38.20 g) and yield of grain (762.0 kg ha-1) and stover (1366.0 kg ha-1) followed by the treatments with application of 10 ml Rhizobium inoculant with 16.0 mg molybdenum and 10 ml Rhizobium inoculant with 8.0 mg cobalt. Protein content in seed as well as nutrients content and uptake by seed and stover was differ significantly due to different treatments. However, significantly higher protein content (22.34%), protein yield (169.53 kg ha-1) and N, P, K, Co and Mo content in seed (3.57 %, 0.45 %, 0.49 %, 3.54 ppm and 3.70 ppm) and stover (2.39 %, 0.085 %, 0.078 %, 3.19 ppm and 2.76 ppm) and uptake by seed (27.12, 3.39, 3.72 kg ha-1, 2.69 and 2.81 g ha-1) and stover (32.41, 1.17, 1.07 kg ha-1, 4.35 and 5.04 g ha-1) respectively, were recorded under the treatments having application of 10 ml Rhizobium bio inoculant with 8.0 mg cobalt and 16.0 mg molybdenum and which was remained at par with the application of 10 ml Rhizobium inoculant with 16.0 mg molybdenum and 10 ml Rhizobium inoculant with 8.0 mg cobalt. Available P2O5, K2O, cobalt and molybdenum in soil after harvest of crop did not differ significantly due to various treatments. However, available nitrogen (271 kg ha-1) in soil was noted significantly higher under the treatment with application of 10 ml Rhizobium inoculant with 8.0 mg cobalt and 16.0 mg molybdenum. The higher net realization ( 30501 ha-1) and BCR value (2.58) were obtained under application of 10 ml Rhizobium bio inoculant with 8.0 mg cobalt and 16.0 mg molybdenum followed by 10 ml Rhizobium inoculant with 16.0 mg molybdenum (net return of 25804 ha-1 & BCR of 2.35) and another treatment of 10 ml Rhizobium inoculant with 8.0 mg cobalt. (net return of 23626 ha-1 & BCR of 2.27). On the basis of experimental results, it can be concluded that for improved nodulation, yield, quality, net return, nutrient uptake and to maintain soil fertility, RDF + seed treatment with 10 ml Rhizobium inoculants + 8.0 mg cobalt and 16.0 mg molybdenum kg-1 seed) was found superior, remaining at par with treatments 10 ml Rhizobium + 8.0 mg cobalt kg-1 seed and 10 ml Rhizobium + 16.0 mg molybdenum kg-1 seed. As the seed treatment with cobalt might give adverse effect on soil and human health, RDF + treatment 10 ml Rhizobium + 16.0 mg molybdenum kg-1 seed was adjudged the best for summer green gram production.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810040691
dc.language.isoenen_US
dc.pages76en_US
dc.publisherDEPARTMENT OF SOIL SCIENCE AND AGRICULTURAL CHEMISTRY N. M. COLLEGE OF AGRICULTURE NAVSARI AGRICULTURAL UNIVERSITY NAVSARIen_US
dc.subSoil Science and Agriculture Chemistryen_US
dc.subjectnullen_US
dc.themeM.Sc. Thesisen_US
dc.these.typeM.Scen_US
dc.titleEFFECT OF RHIZOBIUM INOCULANT, MOLYBDENUM AND COBALT ON NODULATION AND NUTRIENT UPTAKE OF SUMMER GREEN GRAM [Vigna radiata L.]en_US
dc.typeThesisen_US
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