Book of Extended summaries ISDA
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Book of Extended summaries ISDA

Book of Extended summaries ISDA Book of Extended summaries ISDA

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International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad References Chaudhary, S. 2009. Study of row spacings for different varieties of Linseed (Linum usitatissium L.). Int. J. Plant Sci., 4 (2):373-374. Singh, P.K. 2016. Status paper on Linseed/ Flax agriculture. In Omega-3 fatty acids, Springer, Cham. 21-44. T4-35P-1328 Growth and Yield of Soybean as Influenced by Foliar Application of Growth Regulators, Seaweed Extract and Potassium Nitrate J. D. Kalambe * , G. A. Bhalerao, S.S . Kinge and P.B. Kale VNMKV Parbhani, India. 431402 * jyotikalambe95@gmail.com Soybean is a short season leguminous crop that grows in a warm climate with intermediate to heavy rainfall. Soybean, a wonder legume has high nutritive value and has manifold uses in agriculture, medicine and industrial sector. Sea weed extract is a new generation of natural organic fertilizers containing highly effective nutrition’s and promotes faster germination of seeds and increase yield and resistance ability of many crops. Seaweed is richest of mineral elements containing calcium, magnesium, potassium, chlorine, sulphur, phosphorous, iodine, zinc, copper. Liquid fertilizers derived from natural sources like seaweeds are found to be viable alternatives to fertilizing input for agricultural crops due to its high level of organic matter, micro and macro elements, fatty acid and growth hormones, (Jensen 1993; Noda 1990). The yield of soybean can be enhanced through physiological growth manipulation by way of foliar application of seaweed extract. The foliar application of growth regulators, seaweed extract and potassium nitrate at flowering and pod developing stage significantly increased the growth and yield contributing characters of soybean. Therefore, attempts were made to study the growth and yield of soybean (Glycine max (L.) Merrill) as influenced by foliar application of growth regulators, seaweed extract and potassium nitrate. Methodology The field experiment was conducted during kharif 2018 at experimental farm, Department of Agronomy, College of Agriculture, VNMKV, Parbhani. The experiment consisted of seven treatments viz., Salicylic acid-50ppm (T1), GA3-100ppm (T2), Nitrobenzene-400ppm (T3), NAA- 20ppm (T4), Seaweed extract- 400 ppm (T5), Potassium nitrate-2% (T6), Water spray (T7) and Sustainable soil management for resilient rainfed agro-ecosystem: conservation agriculture, organic farming, INM, soil-microorganisms-plant interactions 525 | Page

International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad two stages of application i.e. at the time of flowering and pod developing stage. The variety MAUS-71 was used and experiment was arranged in Randomized Block Design with three replications and comprised of 21-unit plots. The gross and net size of each plot was 5.4 m x 4.5 m, 4.5 m x 4.0 m, respectively. Sowing was done on 1 st July, 2018 by dibbling one seed per hill at a recommended spacing of 45cm X 05cm.The recommended dose of fertilizer (30:60:30 kg NPK ha -1 ) was applied through Urea, Single super phosphate (SSP), Muriate of potash (MOP) as a source of nitrogen, phosphorous, potassium, respectively. All the growth regulators, seaweed extract and potassium nitrate were applied in two sprayings as foliar spray, 1 st spraying at the time of flowering and 2 nd spraying at pod developing stage. The crop was harvested on 10 th October, 2018. Results Foliar application of different growth regulators, seaweed extract and potassium nitrate exposed variation on growth characteristics of soybean such as plant height, number of functional leaves, leaf area, number of branches, total dry matter accumulation. Among all the treatments application of treatment T5- Seaweed extract- 400 ppm to soybean crop at flowering and pod developing stage showed better result with respect to plant height (49.90cm), number of functional leaves (23.57), leaf area (9.60 dm 2 ), number of branches (6.18), mean dry matter accumulation (16.73 g) and at par with treatment T2- GA3-100ppm and T1- Salicylic acid-50ppm. However lower values were recorded in treatment T7-Water spray. Yieldof soybean (Glycine max (L.) Merrill) as influenced by foliar application of growth regulators, seaweed extract and potassium nitrate. Tr. No Treatments No. of pods plant -1 No. of seeds plant -1 Seed yield plant -1 (g) Seed index (g) Seed yield kg ha -1 Straw yield kg ha -1 T 1 Salicylic Acid-50 ppm 29.09 68.50 5.70 8.90 2014 2877 42.03 T 2 GA 3-100 ppm 30.29 70.90 6.20 9.39 2246 2943 43.28 T 3 Nitrobenzene-400 ppm 27.05 63.30 5.12 8.37 1909 2661 41.78 T 4 NAA-20 ppm 26.24 60.04 4.83 8.02 1821 2520 41.95 T 5 Seaweed extract-400ppm 32.97 72.83 6.57 9.62 2307 3055 43.02 T 6 KNO 3-2% 25.41 58.16 4.59 7.98 1722 2455 41.22 T 7 Water spray 24.00 49.90 3.17 7.05 1509 2235 40.30 S.E.(m) ± 1.61 2.94 0.37 0.50 111.91 155.63 - C.D. at 5% 4.96 9.07 1.14 NS 344.03 479.52 - General mean 27.86 63.38 5.17 8.44 1932.57 2678 42.04 Harvest index % 526 | Page Sustainable soil management for resilient rainfed agro-ecosystem: conservation agriculture, organic farming, INM, soilmicroorganisms-plant interactions

International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities<br />

during 22-24, December 2022 at ICAR-CRIDA, Hyderabad<br />

References<br />

Chaudhary, S. 2009. Study <strong>of</strong> row spacings for different varieties <strong>of</strong> Linseed (Linum usitatissium<br />

L.). Int. J. Plant Sci., 4 (2):373-374.<br />

Singh, P.K. 2016. Status paper on Linseed/ Flax agriculture. In Omega-3 fatty acids, Springer,<br />

Cham. 21-44.<br />

T4-35P-1328<br />

Growth and Yield <strong>of</strong> Soybean as Influenced by Foliar Application <strong>of</strong> Growth<br />

Regulators, Seaweed Extract and Potassium Nitrate<br />

J. D. Kalambe * , G. A. Bhalerao, S.S . Kinge and P.B. Kale<br />

VNMKV Parbhani, India. 431402<br />

* jyotikalambe95@gmail.com<br />

Soybean is a short season leguminous crop that grows in a warm climate with intermediate to<br />

heavy rainfall. Soybean, a wonder legume has high nutritive value and has manifold uses in<br />

agriculture, medicine and industrial sector. Sea weed extract is a new generation <strong>of</strong> natural<br />

organic fertilizers containing highly effective nutrition’s and promotes faster germination <strong>of</strong><br />

seeds and increase yield and resistance ability <strong>of</strong> many crops. Seaweed is richest <strong>of</strong> mineral<br />

elements containing calcium, magnesium, potassium, chlorine, sulphur, phosphorous, iodine,<br />

zinc, copper. Liquid fertilizers derived from natural sources like seaweeds are found to be viable<br />

alternatives to fertilizing input for agricultural crops due to its high level <strong>of</strong> organic matter, micro<br />

and macro elements, fatty acid and growth hormones, (Jensen 1993; Noda 1990). The yield <strong>of</strong><br />

soybean can be enhanced through physiological growth manipulation by way <strong>of</strong> foliar<br />

application <strong>of</strong> seaweed extract. The foliar application <strong>of</strong> growth regulators, seaweed extract and<br />

potassium nitrate at flowering and pod developing stage significantly increased the growth and<br />

yield contributing characters <strong>of</strong> soybean. Therefore, attempts were made to study the growth and<br />

yield <strong>of</strong> soybean (Glycine max (L.) Merrill) as influenced by foliar application <strong>of</strong> growth<br />

regulators, seaweed extract and potassium nitrate.<br />

Methodology<br />

The field experiment was conducted during kharif 2018 at experimental farm, Department <strong>of</strong><br />

Agronomy, College <strong>of</strong> Agriculture, VNMKV, Parbhani. The experiment consisted <strong>of</strong> seven<br />

treatments viz., Salicylic acid-50ppm (T1), GA3-100ppm (T2), Nitrobenzene-400ppm (T3), NAA-<br />

20ppm (T4), Seaweed extract- 400 ppm (T5), Potassium nitrate-2% (T6), Water spray (T7) and<br />

Sustainable soil management for resilient rainfed agro-ecosystem: conservation agriculture, organic farming,<br />

INM, soil-microorganisms-plant interactions<br />

525 | Page

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