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Singh, Sukhchain
- Growth Analysis of Rice (Oryza sativa L.) Hybrids as Influenced by Fertility Levels Under Mid Hills of Himachal Pradesh
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Authors
Affiliations
1 Department of Agronomy, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
2 Department of Soil Science, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
1 Department of Agronomy, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
2 Department of Soil Science, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
Source
Himachal Journal of Agricultural Research, Vol 46, No 2 (2020), Pagination: 221-226Abstract
A field experiment was conducted at the Experimental Farm of Department of Agronomy of CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur (H.P.) during kharif 2019 to study the growth and performance of rice hybrids under varying fertility levels. The treatments consisted of four rice varieties (three hybrids viz., Arize 6129, Arize Swift, AZ 6508 and inbred HPR 2143) which were tested under five fertility levels viz., 50% recommended dose of fertilizer (RDF), 100% RDF (90:40:40), 150% RDF, 150% RDF + ZnSO4 @ 25 kg ha-1 and natural farming treatment. The trial was laid out in split plot design with fertility levels in main plot and rice varieties in sub plot and was replicated thrice. Plant height and dry matter accumulation were significantly influenced by fertility levels with highest values recorded with the application of highest dose of fertilizers along with zinc while significantly lower values recorded in natural farming treatment. Significantly higher values of crop growth rate (CGR) and relative growth rate (RGR) at both the stages (between 30-60 days and 60–90 days after transplanting, DAT) were recorded with the application of 150% RDF + ZnSO 4though this treatment was at par with the application of 150% RDF alone. Significantly lowest values of both these parameters at both the stages were recorded with the natural farming treatment. Varieties also differed significantly with HPR 2143 producing significantly taller plants while Arize Swift producing shorter plants. Hybrids accumulated more dry matter as compared to inbred HPR 2143 with AZ 6508 recording significantly higher value of this parameter. Among the varieties tested AZ 6508 recorded significantly higher values of CGR, RGR and NAR at both the stages of observation indicating higher potential of this hybrid.Keywords
Growth, CGR, RGR, NAR, Fertility Levels, Hybrids.Full Text
References
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- Effect of different sources of nutrients on growth and productivity of maize-wheat cropping system under rainfed conditions
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Authors
Sukhchain Singh
1,
Naveen Kumar
1,
Sandeep Manuja
1,
Pardeep Kumar
1,
Usha Rana
1,
Pawan Kumar Sharma
1
Affiliations
1 Department of Agronomy, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur–176 062,, IN
1 Department of Agronomy, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur–176 062,, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 2 (2022), Pagination: 181-188Abstract
A field experiment was conducted for four consecutive seasons from kharif 2019 to rabi 2020-21 at CSK, Himachal Pradesh, Krishi Vishvavidyalaya, Palampur, Himachal Pradesh (India) to evaluate the effect of different sources of nutrients on growth and productivity of maize-wheat cropping system. The experiment -1 was laid down in Randomized Block Design with three replications having seven treatments viz., T1 - 10t ha -1 FYM + 5% Jeevamrit as basal and at 4 weeks interval, T - 10t ha FYM + 10% Jeevamrit as basal and at 4 weeks 2 -1 -1 interval, T3 - 50% RDN+ 10 t ha FYM+ 5% Jeevamrit as basal and at 4 weeks interval, T4 - 50% RDN+ 10 t ha FYM+ 10% Jeevamrit as basal and at 4 weeks interval T - seed treatment with Beejamrit followed by 5% 5 Jeevamrit as basal and at 4 weeks interval, T - seed treatment with Beejamrit followed by 10% Jeevamrit as 6 basal and at 4 weeks interval, T - recommended NPK through inorganic sources. Application of 50% RDN + 10 7 -1 -1 t ha FYM + 10% Jeevamrit remaining at parwith application of 50% RDN + 10 t ha FYM + 5% Jeevamrit and application of recommended NPK resulted in higher leaf area index and crop growth rate of maize and wheat. -1 Application of 50% RDN + 10 t ha FYM + 10% Jeevamrit proved best to obtain higher relative growth rate of maize, whereas relative growth rate of wheat at 60-90 DAS, 90-120 DAS and 120-150 DAS was significantly higher with Beejamrit + 5% Jeevamrit application. Significantly higher grain yield of maize and wheat, total - yield of system and system productivity of maize-wheat cropping system was obtained with 50% RDN + 10 t ha 1 FYM + 10% Jeevamrit.Keywords
Leaf area index, Jeevamrit, yield, maize, wheat.Full Text
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