International Journal of Plant Sciences

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Effect of Integrated Nutrient Management on Growth, Herb Yield and Quality of Alfalfa during Rabi Season under Central Dry Zone of Karnataka


Affiliations
1 Krishi Vigyan Kendra (UAS), Konehalli, Tiptur Taluk, Tumkuru (Karnataka), India
2 Department of Plantation, Spices, Medicinal and Aromatic Plants, College of Horticulture, UHS Campus, G.K.V.K., Bengaluru (Karnataka), India
     

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The experiment was conducted to study the effect of integrated nutrient management on growth, herb yield and quality of alfalfa (Medicago sativa L.) at the farm field of Krishi Vigyan Kendra, Konehalli, Tiptur, Tumkuru district under Central dry zone (Zone-4) of Karnataka state during Rabi seasons. The results revealed that the maximum plant height at 30 DAS (43.12 cm), first (85.63 cm), second (86.00 cm), third (92.10 cm), fourth (95.45 cm), fifth (92.30 cm), sixth (88.90 cm) and seventh harvest (86.79 cm) during Rabi season was recorded, when plants were supplied with 50 % RDF + 25 % N through vermicompost + Rhizobium + PSB + VAM. The least plant height was recorded with the application of 10 t/ha FYM + 100 % N through FYM at 30 DAS and all the harvests. The similar results were recorded the maximum number of branches and leaves per plant with application of the 50 % RDF + 25 % N through vermicompost + Rhizobium + PSB + VAM. The maximum fresh and dry herb yield per hectarewas recorded at first (178.70 q and 26.30 q), second (213.89 q and 31.44 q), third (217.13 q and 31.94 q), fourth (218.98 q and 33.08 q), fifth (216.20 q and 31.81 q), sixth (208.33 q and 30.65 q) and seventh harvest (200.00 q and 29.40 q), respectively during Rabi season with the application of 50 % RDF + 25 % N through vermicompost + Rhizobium + PSB + VAM. Whereas, the lowest fresh and dry herb yield per hectare was recorded, when plants supplied with 10 t/ha FYM + 100 % N through FYM at all the harvests. The pants received with 50 % RDF + 25 % N through vermicompost + Rhizobium + PSB + VAM has resulted maximum nitrogen content of plant at first (1.15 %), second (1.14 %), third (1.15 %), fourth (1.12 %), fifth (1.09 %), sixth (1.06 %) and seventh harvest (1.05 %) during Rabi season, which was at par with the application of 50 % RDF + 25 % N through poultry manure + Rhizobium + PSB + VAM at first and third harvests. The application of 10 t/ha FYM + 100 % N through FYM recorded lowest nitrogen content of plant in at all the harvests. Therefore, 50 % RDF + 25 % N through vermicompost + Rhizobium + PSB + VAM may be recommended for commercial cultivation of alfalfa during Rabi season under central dry zone of Karnataka.

Keywords

Alfalfa, Bio-Fertilizers, Harvest, Nutrient, Ratoon Crop, Season.
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  • Effect of Integrated Nutrient Management on Growth, Herb Yield and Quality of Alfalfa during Rabi Season under Central Dry Zone of Karnataka

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Authors

Nagappa Desai
Krishi Vigyan Kendra (UAS), Konehalli, Tiptur Taluk, Tumkuru (Karnataka), India
A. P. Mallikarjuna Gowda
Department of Plantation, Spices, Medicinal and Aromatic Plants, College of Horticulture, UHS Campus, G.K.V.K., Bengaluru (Karnataka), India
T. S. Sukanya
Krishi Vigyan Kendra (UAS), Konehalli, Tiptur Taluk, Tumkuru (Karnataka), India

Abstract


The experiment was conducted to study the effect of integrated nutrient management on growth, herb yield and quality of alfalfa (Medicago sativa L.) at the farm field of Krishi Vigyan Kendra, Konehalli, Tiptur, Tumkuru district under Central dry zone (Zone-4) of Karnataka state during Rabi seasons. The results revealed that the maximum plant height at 30 DAS (43.12 cm), first (85.63 cm), second (86.00 cm), third (92.10 cm), fourth (95.45 cm), fifth (92.30 cm), sixth (88.90 cm) and seventh harvest (86.79 cm) during Rabi season was recorded, when plants were supplied with 50 % RDF + 25 % N through vermicompost + Rhizobium + PSB + VAM. The least plant height was recorded with the application of 10 t/ha FYM + 100 % N through FYM at 30 DAS and all the harvests. The similar results were recorded the maximum number of branches and leaves per plant with application of the 50 % RDF + 25 % N through vermicompost + Rhizobium + PSB + VAM. The maximum fresh and dry herb yield per hectarewas recorded at first (178.70 q and 26.30 q), second (213.89 q and 31.44 q), third (217.13 q and 31.94 q), fourth (218.98 q and 33.08 q), fifth (216.20 q and 31.81 q), sixth (208.33 q and 30.65 q) and seventh harvest (200.00 q and 29.40 q), respectively during Rabi season with the application of 50 % RDF + 25 % N through vermicompost + Rhizobium + PSB + VAM. Whereas, the lowest fresh and dry herb yield per hectare was recorded, when plants supplied with 10 t/ha FYM + 100 % N through FYM at all the harvests. The pants received with 50 % RDF + 25 % N through vermicompost + Rhizobium + PSB + VAM has resulted maximum nitrogen content of plant at first (1.15 %), second (1.14 %), third (1.15 %), fourth (1.12 %), fifth (1.09 %), sixth (1.06 %) and seventh harvest (1.05 %) during Rabi season, which was at par with the application of 50 % RDF + 25 % N through poultry manure + Rhizobium + PSB + VAM at first and third harvests. The application of 10 t/ha FYM + 100 % N through FYM recorded lowest nitrogen content of plant in at all the harvests. Therefore, 50 % RDF + 25 % N through vermicompost + Rhizobium + PSB + VAM may be recommended for commercial cultivation of alfalfa during Rabi season under central dry zone of Karnataka.

Keywords


Alfalfa, Bio-Fertilizers, Harvest, Nutrient, Ratoon Crop, Season.

References