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Response of Indian mustard to Nutrients and Plant Growth Regulators: The Influence on Yield, Available Soil P Balance and P Recycling through Residues

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Title Response of Indian mustard to Nutrients and Plant Growth Regulators: The Influence on Yield, Available Soil P Balance and P Recycling through Residues
Not Available
 
Creator R.K. Dubey
R.C. Dhaker
S.L. Mundra
R.C. Tiwari
S.K. Dubey
Reena Dubey
 
Subject Available soil P, Indian mustard, Plant growth regulator, Residue recycling, Soil phosphorus balance.
 
Description Not Available
Poor oilseed productivity linked huge edible oil import by India are intimately interlinked
and critically relate to over exploitation of agricultural soils, inadequate and imbalanced
fertilization, restricted use of manures, residues and bio-fertilizers, unfavourable climatic
conditions and physiological and genetic constraints associated with oilseeds. Plant growth
regulators (PGRs) mitigate a variety of abiotic and biotic stresses and a strong synergistic
interaction between auxins and brassinosteroids (BRs) is also widely reported but
commercial exploitation of this interaction has yet not been attempted in actual field
studies. Therefore, eight nutrient treatments comprising of 75 and 100% recommended
dose of fertilizers (RDF) and their combinations with 5 t farm yard manure ha-1
(FYM),bio-fertilizers (Azotobacter + PSB) and FYM + bio-fertilizers as well as four PGRs (water
spray, brassinolide/BR 0.5 ppm, Indole 3 acetic acid/IAA 50 ppm and BR 0.5 + IAA 50
ppm) were evaluated on medium clay loam soils of Udaipur during winters of 2012 and
2013 in a split plot design replicated thrice. Results illustrate that among nutrient
treatments, 100% RDF + FYM + bio-fertilizers registered significantly higher pooled seed
and stover yield (3231 and 13604 kg ha-1, respectively), crop phosphorus uptake (52.71 kg
ha-1), available soil P at crop harvest (23.35 kg ha-1), gain in availablesoil P(3.21 kg ha)
and dry biomass of residues (4649.1 kg ha-1) and Precycled (11.56 kg ha). Out of PGRs,
BR + IAA recorded significantly higher pooled seed and stover yield (2922 and 12379 kgha-1
, respectively), crop phosphorus uptake (47.12 kg ha-1), dry biomass of residues(4186.9 kg ha-1) and Precycled (10.44 kg ha-1).
Not Available
 
Date 2020-06-10T09:52:46Z
2020-06-10T09:52:46Z
2017-06-26
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/36918
 
Language English
 
Relation Not Available;
 
Publisher Not Available