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Kumar, Sunil
- Effect of Sources and Split Application of Phosphorus on Dry Matter Accumulation, Nutrients Uptake and Soil Properties under Partially Reclaimed Salt Affected Soil
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Authors
Affiliations
1 Department of Soil Science, Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad (U.P.), IN
1 Department of Soil Science, Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad (U.P.), IN
Source
An Asian Journal of Soil Science, Vol 11, No 1 (2016), Pagination: 86-89Abstract
A field experiment was conducted at Instructional Farm of Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad during Kharif season 2012 to evaluate the effect of sources and split application of phosphorus on dry matter accumulation, nutrients uptake and soil properties under partially reclaimed salt affected soil. The experiment comprised of seven treatments i.e. (T1) control, (T2) 60 kgP2O5 ha-1 basal through DAP, (T3) 45 kg basal +15 kg P2O5 ha-1 at tillering through DAP, (T4) 30 kg basal+15 kg P2O5 ha-1 through DAP, (T5) 60 kg P2O5 ha-1 basal through SSP, (T6 ) 45 kg basal + 15 kg P2O5 ha-1 in Randomized Block Design replicated thrice. The rice variety NDR-359 was taken as test crop. Among sources of phosphatic fertilizer viz., single super phosphate and diammonium phosphate, single superphosphate were found more effective over diammonium phosphate with respect of dry matter accumulation, phosphorus uptake, EC, pH, OC and available nitrogen, phosphorus and potassium in soil.Keywords
Rice, SSP, DAP, Split Application, Partially Reclaimed Salt Affected Soil.
References
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- Soil Health Management Under Vermicompost Based Integrated Nutrient Management in Wheat
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Authors
Affiliations
1 Banda University of Agriculture and Technology, Banda (U.P.), IN
2 Sardar Vallabh Bhai Patel University of Agriculture and Technology, Meerut (U.P.), IN
3 Bihar Agricultural University, Sabour, Bhagalpur (Bihar), IN
1 Banda University of Agriculture and Technology, Banda (U.P.), IN
2 Sardar Vallabh Bhai Patel University of Agriculture and Technology, Meerut (U.P.), IN
3 Bihar Agricultural University, Sabour, Bhagalpur (Bihar), IN
Source
An Asian Journal of Soil Science, Vol 13, No 1 (2018), Pagination: 40-44Abstract
The yield of wheat ranged from 29.16 to 45.14 and 29.56 to 49.14 q ha-1 during 2005-06 and 2006-07, respectively was influenced significantly by different treatments. During 2005-06 maximum grain yield (45.14 q ha-1) was recorded in case of treatment T10 (3 tonnes vermicompost + 100% NPK of RDF), where 100% NPK with vermicompost @ 3.0 t ha-1 was applied, was found statistically at par with treatment T7 (3 tonnes vermicompost +75% NPK of RDF), where vermicompost @ 3.0 t ha-1 was applied with 75% NPK and significantly higher than the rest of the treatment. Similar trend of treatments effect on grain yield was also obtained during second year i.e. 2006-07. With exception of T2 (one tonne vermicompost + 50% NPK of RDF), grain yield recorded in T1 (150: 60: 40: as NPK, recommended dose of fertilizers), where 100% NPK was supplemented through inorganic source was found significantly lower than the rest of the treatments. Graded does of vermicompost with similar does of NPK influenced the grain yield of wheat significantly during both the years with exception of T8 (one tonnes vermicompost +100% NPK of RDF) and T9 (two tonnes vermicompost + 100% NPK of RDF). Results revealed that 50% NPK can be substituted by the application of @1.0 t ha-1 vermicompost as the grain yield recorded in T1 (150: 60: 40: as NPK, recommended dose of fertilizers) and T2 (one tonne vermicompost + 50% NPK of RDF), was statistically similar while grain yield increased significantly due to application of vermicompost @ 2.0 t ha-1 with 50% NPK. Application of different does of vermicompost with 75% NPK yielded significantly higher than the T1 (150: 60: 40: as NPK, recommended dose of fertilizers), where only 100% NPK was applied during both the years. No significantly variation in grain yield of wheat was found between the treatments having application of 1 t ha-1 vermicompost with either 50% or 75% NPK but yield varied significantly between treatments having the application of 1 t ha-1 vermicompost with 50% or 100% NPK. Similarly no variation was also found between T3 (two tonne vermicompost + 50% NPK of RDF) and T6 (two tonne vermicompost + 75% NPK of RDF) and T4 (three tonne vermicompost + 50% NPK of RDF) and T7 (three tonnes vermicompost +75% NPK of RDF), while T4 (three tonne vermicompost + 50% NPK of RDF) and T10 (three tonnes vermicompost + 100% NPK of RDF), varied significantly during both the years. This implies that application of 3.0 t ha-1 of vermicompost along with 75% NPK is a better combination for optimum crop yield. This combination also enhanced the physical, chemical properties of soil by improving the availability of different nutrients.Keywords
Earthworms,vermicompost, Chemical Fertilizers, Soil Fertility, Plant Productivity.References
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