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Effects of Municipal Solid Waste Compost, Fertilizers, Rhizobium and Flora on the Nutrient Content and Uptake of Wheat

M. M. Rahman
Department of Soil Science, Bangladesh Agricultural UniversityMymensingh-2202, Bangladesh

M. S. Afroz
Department of Soil Science, Bangladesh Agricultural UniversityMymensingh-2202, Bangladesh

J. N. Ferdoush
Department of Soil Science, Bangladesh Agricultural UniversityMymensingh-2202, Bangladesh

Abstract/ Executive Summary:

The effect of municipal solid waste compost, fertilizers, Rhizobium and flora on the growth and yield of wheat was studied through a field experiment at the Soil Science Field Laboratory of Bangladesh Agricultural University, Mymensingh. The soil was silty loam in texture having pH 6.94, organic matter 1.62%, total nitrogen 0.067%, available phosphorus 10.45 ppm, exchangeable K 0.08 me/100g soil, available sulphur 12.00 ppm and cation exchange capacity 15.0 me/100g soil. There were seven treatments such as T₀ = control, T₁ = 100% recommended doses of fertilizer (RDF), T₂ = 100% RDF + compost @ 3.5 t ha^-1, T₃ = 100% RDF + compost @ 3.5 t ha^-1 + Rhizobium, T₄ = 75% RDF + 25% N based compost, T₅ = 75% RDF + 25% N based compost + Rhizobium, T₆ = 100% RDF + Flora. The experiment was laid out in a Randomized Complete Block Design with three replications. Phosphorus, potassium, sulphur, zinc and boron were applied as basal dose from TSP, MOP, gypsum, zinc sulphate and boric acid @ 30 kg P, 135 kg K, 15 kg S, 2 kg Zn and 1 kg B, respectively. Nitrogen as urea was used @100 kg ha-1 for the respective treatments. For T₃and T₅, the seeds were inoculated with Rhizobial strains. The plants were harvested at maturity and the grain and straw yields were recorded. Wheat grain and straw samples were collected and analyzed for N,P,K and S. The nutrient uptake of wheat calculated. Application of municipal solid waste compost, fertilizers, Rhizobium and flora increased the N and S content both in grain and straw of wheat but decreased the P content as compared to control. The K content in wheat straw increased with different treatments but the effect was reverse in case of wheat grain. The N,P,K,and S uptake of wheat grain and straw as well as the total uptake increased significantly with all the treatments over control.

Keywords: Compost, Flora, Rhizobium, Wheat, Fertilizer

Location: The Field Laboratory of the Department of Soil Science, Bangladesh Agricultural University, Mymensingh

Start Date: 00-12-2010

End Date: 00-03-2011

Program Area: Crop-Soil-Water Management

Commodity: Wheat

Objectives:

1. To evaluate the comparative effectiveness of fertilizers, municipal solid waste compost, Rhizobium and flora on the growth and yield of wheat and to study the effect of fertilizers, municipal solid waste compost, Rhizobium and flora on the nutrient content and uptake in wheat.

Methodology:

The experiment was conducted at the Field Laboratory of the Department of Soil Science, Bangladesh Agricultural University, Mymensingh during the winter (Rabi) season from December, 2010 to March, 2011. The wheat variety Prodip was used as the test crop in the experiment. The experiment was laid out in a Randomized Complete Block Design with seven treatments and three replications. There were seven treatments including control. The treatments were - T_o = Control (no fertilizer or compost), T₁ = 100% recommended doses of fertilizers (RDF= N100, P30, K80, S15, Zn2, B1), T₂ =100% RDF + compost @3.5 t ha^-1, T₃ = 100% RDF + compost @ 3.5 t ha^-1 + Rhizobium, T₄= 75 RDF + compost 25% (N based), T5 = 75% RDF + compost 25% (N based) + Rhizobium, T6 = 100% RDF + Flora. Well decomposed compost was applied to the plots as per the treatments by mixing with the soil well before 7 days of sowing. Nitrogen fertilizer @100 kg ha^-1 from urea was applied in three equal splits. The Rhizobium inoculant was mixed with the seeds @ 50 g inoculums/kg seeds for T₃ and T₅ treatments. Flora was applied by hand sprayer for three times. Irrigation and weeding was done as and when necessary. Data on plant height, spike length, number of tillers hill^-1, number of spikelet spike^-1, filled grains spike^-1, 1000-grain weight, grain and straw yields were recorded. Soil samples were analyzed for total N (micro-kjeldahl method), available P, available K , available S, particle size analysis of soil, soil p^H and CEC and organic carbon.

Source of Information: J. Environ. Sci. & Natural Resources, 6(1): 47 - 52, 2013; ISSN 1999-7361

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Application of municipal solid waste compost, fertilizers, Rhizobium and flora increased the N and S content both in grain and straw of wheat but decreased the P content as compared to control. The K content in wheat straw increased with different treatments but the effect was reverse in case of wheat grain. The N,P,K,and S uptake of wheat grain and straw as well as the total uptake increased significantly with all the treatments over control.

Knowledge Management: Journal