Influence of neem coated urea and micronutrients on performance of rice under aerobic condition.

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dc.contributor.advisorChaudhary, S. K.
dc.contributor.authorKumari, Gayatri
dc.date.accessioned2018-02-06T10:06:09Z
dc.date.available2018-02-06T10:06:09Z
dc.date.issued2017
dc.description.abstractThe present experiment entitled “Influence of neem coated urea and micronutrients on performance of rice under aerobic condition” was carried out at the Crop Research Centre of Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar (India) during kharif- 2016. The soil of the experiment field was calcareous sandy loam with alkaline in reaction and pH 8.4. It was moderately fertile being low in organic carbon (0.35%), available nitrogen (211 kg N/ha), phosphorus (17 kg P2O5/ha), potassium (104 kg K2O/ha). The factors under study comprised of (A) Nitrogen sources (4 levels): M1- 120 kg N/ha prilled urea, M2- 120 kg N/ha neem coated urea, M3- 140 kg N/ha prilled urea and M4- 140 kg N/ha neem coated urea that were kept in the main plot and (B) Micronutrients (4 levels): S0- Control, S¬1- Two foliar spray of FeSO4 at tillering and panicle emergence, S2- Two foliar spray of ZnSO4 at tillering and panicle emergence and S3- Two foliar spray of FeSO4 and ZnSO4 at tillering and panicle emergence that were kept in sub plot. The experiment was conducted in split plot design which was replicated thrice taking the variety ‘Abhishek’ as a test crop. Crop management practices were performed as per standard package and practices. 60 kg P2O5/ha and 40 kg K2O/ha fertilizers and neem coated urea (120 kg and 140 kg N/ha as per treatment) was given as basal whereas prilled urea was given in three split doses as basal (50%), active tilleing (25%) and panicle initiation (25%). Among the nitrogen sources, M4- 140 kg N/ ha neem coated urea registered the maximum grain yield (41.28 q ha-1), straw yield (51.17 q ha-1), N content (1.54%) and N uptake (63.37 kg ha-1) in grain. Among the micronutrient applications, S3- Two foliar spray of FeSO4 and ZnSO4 at tillering and panicle emergence registered maximum grain yield (51.17 q ha-1), straw yield (47,92 q ha-1), N content (1.50%) and N uptake (59.11 q ha-1). Among the nitrogen sources and levels, maximum net return ( 37242) and B: C ratio (1.20) was recorded with M4- 140 kg N/ha neem coated urea. Among the micronutrient applications, maximum net return ( 32734) was recorded with S3- Two foliar spray of FeSO4 and ZnSO4 at tillering and panicle emergence while maximum B: C ratio (1.07) was recorded with S0- Control and S2- Two foliar spray of FeSO4 and ZnSO4 at tillering and panicle emergence.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810040473
dc.keywordsRice, Neem coated urea, Micronutrients, Aerobic conditionsen_US
dc.language.isoenen_US
dc.pages72+ix+iven_US
dc.publisherDr. Rajendra Prasad Central Agricultural University, Pusa (Samastipur)en_US
dc.subAgronomyen_US
dc.subjectnullen_US
dc.themeEffect of neem coated urea on riceen_US
dc.these.typeM.Scen_US
dc.titleInfluence of neem coated urea and micronutrients on performance of rice under aerobic condition.en_US
dc.typeThesisen_US
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