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Singaravel, R.
- Effect of Vermicompost and Micronutrients Fertilization on the Growth, Yield and Nutrients Uptake by Sesame (Sesamum indicum L.) in Coastal Saline Soil
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Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, Annamalai University, Annamalai Nagar, Chidambaram (T.N.), IN
1 Department of Soil Science and Agricultural Chemistry, Annamalai University, Annamalai Nagar, Chidambaram (T.N.), IN
Source
International Journal of Agricultural Sciences, Vol 13, No 2 (2017), Pagination: 177-183Abstract
A field experiment was conducted in the farmer’s field during January-April 2015, to study the effect of vermicompost and micronutrients fertilization on the growth, yield and nutrients uptake by sesame in coastal saline soil. Texturally, the experimental soil was sandy and taxonomically classified as Typic Udipsamments with initial soil characteristics (0-15 cm layer) of the experimental site were, pH-8.37 and EC-1.58 dS m-1. The soil registered low organic carbon status of 2.31 g kg-1, 134.56 kg ha-1 of alkaline KMnO4-N; 9.43 kg ha-1 of Olsen-P and 159.31 kg ha-1 of NH4OAc-K, respectively. The DTPAextractable Zn and Mn was 0.69 mg kg1 and 0.94 mg kg-1, respectively. The various treatments imposed in the study included T1-Control (RDF alone), T2-RDF+vermicompost (VC) @ 5 t ha-1, T3-RDF+ZnSO4 @ 25 kg ha-1 soil application (SA)+MnSO4 @ 5 kg ha-1 (SA), T4-RDF+ZnSO4@ 0.5% foliar application (FA)+MnSO4 @ 0.5% (FA), T5-RDF+(ZnSO4+MnSO4) SA+(ZnSO4+MnSO4) FA, T6-RDF+VC (ZnSO4+MnSO4) SA, T7-RDF+VC+(ZnSO4+MnSO4) FA, T8-RDF+VC+(ZnSO4+MnSO4) SA+(ZnSO4+MnSO4) FA, T9-RDF+VC+(50% ZnSO4+50% MnSO4) SA and T10-RDF+VC+(50% ZnSO4+50% MnSO4) SA+(ZnSO4+MnSO4) FA @ 0.5 per cent. The experiment was carried out in a Randomized Block Design (RBD) with three replications and tested with sesame var. TMV 7 as test crop. The results of the study clearly indicated that the combined application of RDF+VC+50% recommended ZnSO4 @ 12.5 kg ha-1+50% MnSO4 @ 2.5 kg ha-1 through soil application along with foliar spray of ZnSO4+MnSO4 twice @ 0.5 per cent significantly increased the growth, yield and nutrient uptake by sesame. This treatment recorded the highest seed and stalk yield of 792 kg ha-1 and 1713 kg ha-1 which was 45.32 and 36.77 per cent increased seed and stalk yield, respectively over recommended dose of fertilizer alone (RDF).Keywords
Coastal Saline Soil, Vermicompost, RDF, Zinc, Manganese, Soil Application, Foliar Application, Sesame, Yield, Uptake.
References
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- Effect of Different Levels and Sources of Zinc Fertilizers on the Growth and Yield of Okra in Coastal Sandy Soil
Abstract Views :224 |
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Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, Annamalai University, Annamalai Nagar, Chidambaram (T.N.), IN
1 Department of Soil Science and Agricultural Chemistry, Annamalai University, Annamalai Nagar, Chidambaram (T.N.), IN
Source
International Journal of Agricultural Sciences, Vol 13, No 2 (2017), Pagination: 282-286Abstract
To find out the effect of different levels and sources of zinc fertilizers on the growth and yield of okra in coastal sandy soil, a pot experiment was carried out in the department of Soil Science and Agricultural Chemistry, Annamalai University during January-April 2014. The texture of the soil was sandy and taxonomically classified as Typic usticpsamments with pH-8.32, EC-1.54 dS m-1 and represented low status of organic carbon (2.30 g kg-1). The soil had low alkaline KMnO4-N (134.50 kg ha-1), low in Olsen- P (9.48 kg ha-1) and medium in NH4OAc-K (178.20 kg ha-1). The available Zn (DTPA extractable Zn) content was 0.71 mg kg-1 in soil. The sixteen treatments consisted of four levels of zinc viz., 0, 10, 15 and 20 mg kg-1 Zn as factor-A and three different sources of zinc fertilizers viz., control, zinc sulphate (ZnSO4), Zn-EDTA and Zn-Humateas factor-B. The experiment was laid out in a Factorial Completely Randomized Design (FCRD) with three replications using okra variety MBH-64 as test crop. The results revealed that the combined application of Zn @ 15 mg kg-1 through Zn-Humate (A2B3) significantly increased the growth, yield characters and yield of okra.Keywords
ZnSo4, Zn-EDTA and Zn-Humate, Growth, Yield, Okra, Coastal Sandy Soil.References
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