Integrated nutrient management (INM) for okra (Abelmoschus esculentus (L) Moench) cv. ‘Parbhani Kranti’ under South Gujarat condition
KrishiKosh
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Title |
Integrated nutrient management (INM) for okra (Abelmoschus esculentus (L) Moench) cv. ‘Parbhani Kranti’ under South Gujarat condition
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Creator |
PATEL, ANKUR P.
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Contributor |
PARMAR, P.B.
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Subject |
vegetables, organic fertilizers, planting, yields, fertilizers, farmyard manure, nutrients, nitrogen, biological development, crops
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Description |
Okra (bhindi or lady’s finger) is one of the important vegetable in the South Gujarat, an experiment was conducted at the Regional Horticulture Research Station, Navsari Agricultural University, Navsari, during the summer seasons of the year 2004 and 2005 to study the response of “Integrated nutrient management (INM) for okra (Abelmoschus esculentus (L.) Moench) cv. ‘Parbhani Kranti’ under South Gujarat condition”. The soil of the experimental field was clay in texture, low in available N, medium in available P2O5, high in available K2O and was deficit in zinc having moderately alkaline reaction (pH 7.9). In all twelve treatments, viz. T1 (100% RDF i.e. 100:50:50 kg N, P2O5, K2O per hectare), T2 (Farm yard manure (FYM) @ 20 t/ha), T3 (Pressmud (PM) @ 10 t/ha), T4 (Biocompost (BC) @ 10 t/ha), T5 (75% RDF + FYM @ 20 t/ha), T6 ( 50% RDF + FYM @ 20 t/ha), T7 (75% RDF + PM @ 10 t/ha), T8 (50% RDF + PM @ 10 t/ha), T9 (75% RDF + BC @ 10 t/ha), T10 (50% RDF + BC @ 10 t/ha), T11 (100% RDF + ZnSO4 @ 25 kg/ha) and T12 (100% RDF + FeSO4 @ 50 kg/ha) were evaluated under RBD design with three replications. Entire quantity of organic manures viz. FYM, pressmud and biocompost were thoroughly mixed in the respective experimental plots before a month of sowing and followed by irrigation. Full dose of P2O5, K2O, ZnSO4 and FeSO4 as well as half dose of the nitrogen were also given as basal and the remaining half quantity of nitrogen was applied at 30 days after sowing. Nitrogen was applied in the form of urea; whereas, phosphate and potash were applied in the form of single super phosphate (SSP) and muriate of potash (MOP), respectively. Zn and Fe were applied in the form of zinc sulphate and ferrous sulphate. The growth parameters were significantly affected due to the different INM treatments. Days to fifty per cent flowering (33.83 days i.e. early by 2 to 3 days) and the maximum plant height (96.80 cm) were recorded under the treatment of 100 % RDF + FeSO4 @ 50 kg/ha. However, okra plant nourished with the 75% RDF + BC @ 10 t/ha (T9) has resulted in the higher value of number of branches (5.15), fresh weight 16.68 t/ha), dry weight of pod (1042 kg/ha) and dry weight of plant (2259 kg/ha). Pod characters of okra were significantly affected under the treatment of 75% RDF + BC @ 10 t/ha (T9) which produced 11.45 number of pods per plant, 11.90 cm long and 11.84 g weight of individual pod. Further, application of 75% RDF + BC @ 10 t/ha was better to have 135.61 g of pod yield per plant and total pod yield was 11.30 t/ha. The quality of the okra pod was improved remarkably viz. total soluble solids (TSS) (2.26%) as well as ascorbic acid (Vitamin C) (21.92 mg/100g) contents were observed with the treatment T11, consisted of inorganic fertilizer (100% RDF + ZnSO4 @ 25 kg/ha). Lower crude fibre (9.75 %) and higher crude protein (16.65%) are the desirable character for quality of okra pod were obtained under the treatment T9 (75% RDF + BC @ 10 t/ha). The N, P and K content in pods and plant were significantly increased with combined application of inorganic fertilizer and organic manures i.e. 75% RDF + BC @ 10 t/ha; whereas, Zn content was higher in the treatment zinc sulphate application i.e. 100% RDF + ZnSO4 @ 25 kg/ha (T11). The total uptake of N (78.08 kg/ha), P2O5 (12.22 kg/ha), K2O (55.82 kg/ha), Zn (234.04 g/ha) and Fe (903.41 g/ha) were significantly higher at 75% RDF + BC @ 10 t/ha (T9). Different INM treatments had nonsignificant effects on Fe content in pod as well as in plant. Soil fertility status viz. available N, P2O5, K2O, Zn and Fe content of soil and organic carbon after harvest of the crop were improved with addition of organic manure and higher in treatment combination of 75% RDF + BC @ 10 t/ha. The lower values were observed in inorganic fertilizers only. Soil physical properties i.e. bulk density (1.69 g/cm3) as well as water stable aggregates (0.5- 1.0 mm, 24.9 % and > 1.0 mm, 62.8 %) were also improved and thereby the porosity of soil under organic manure treatments. On the basis of pooled analysis of yield, the economics of the okra cultivation with different INM treatment was found significant. The maximum net return with CBR value of 1:3.12 were achieved under the treatment T9 (75% RDF + BC @ 10 t/ha) followed by treatment T7 (75% RDF + PM @ 10 t/ha) with CBR value of 1:3.06. Both these treatments (T6 and T7) were found economical, and proved highly remunerative under the South Gujarat conditions for growing cv. ‘Parbhani Kranti’, which gradually improved the soil health. |
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Date |
2016-03-05T12:14:03Z
2016-03-05T12:14:03Z 2006-03 |
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Type |
Thesis
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Identifier |
http://krishikosh.egranth.ac.in/handle/1/64851
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Language |
en
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Format |
application/pdf
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Publisher |
Navsari Agricultural University, Navsari
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