Gobal Advanced Research Journal of Environmental Science and Toxicology (GARJEST) ISSN: 2315-5140
April 2013 Vol. 2(4), pp. 128-132
Copyright © 2013 Global Advanced Research Journals

 

Full Length Research Paper

Effect of tillage depths and IPNS on soil physical properties and yield of hybrid maize

R. A. Begum1, M. N. Hossain4, A. T. M. A. I. Mondol2, N. Salahin3 and M. K. Alam3

1Chief Scientific Officer, Soil Science Division, Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh
2Senior Scientific Officer, Soil Science Division, Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh
3Scientific Officer, Soil Science Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh
4Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

*Corresponding Author E-mail: nousad37@gmail.com

Accepted April 12, 2013

Abstract

A field experiment was conducted at Central Research Field of Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh during rabi season of 2008-2009, 2009-2010 and 2010-2011 to study the effect of tillage and Integrated Plant Nutrient System (IPNS) on soil physical properties and yield of hybrid maize.  Eighteen treatment combinations comprising 3 tillage practices which are T0: minimum tillage, T1: tillage up to 10-12 cm and T2: tillage up to 20-25 cm depth and 6 levels of fertilizer i.e. F1:  control, F2: 5 ton cowdung + (*R-M=Recommended dose minus nutrient content in organic manure at 40% mineralization.) (R-M) ha-1, F3: 10 ton cowdung + *(R-M) ha-1, F4: 2.5 ton poultry manure + *(R-M) ha-1, F5: 5 ton poultry manure + *(R-M) ha-1 and F6: recommended dose (RD): N255, P55, K100, S40 and B1 kg ha-1 was tested in a split- plot design with three replications. Bulk density, particle density, porosity and field capacity were slightly affected by tillage and IPNS which were non-significant. Yield and yield contributing characters of hybrid maize were significantly influenced by both the treatments singly. The F3 {10 ton cowdung + *(R-M) ha-1} treatment gave the highest grain yield 9.72 ton ha-1 followed by F5 {5 ton poultry manure + *(R-M) ha-1} treatment (9.40 ton ha-1). Interaction effect of tillage and fertilizer on yield and yield contributing characters was non-significant.

Keywords: Poultry manure, Organic matter, Physical parameters and Yield.

 

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