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Mineral Nutrition and Quality of Maiz (zea Mays L.) as Affected by Household Waste Compost, Poultry Manure and Inorganic Fertilizers

N. Hossain
Assistant Professor
Department of Soil Science University of Chittagong

M. G. Kibria
Professor
Department of Soil Science University of Chittagong

K. T. Osman
Professor
Department of Soil Science University of Chittagong

Abstract/ Executive Summary:

A field experiment was conducted to study the comparative effects of household waste compost, poultry manure and inorganic fertilizer on mineral nutrition and quality of maize (Zeamays L.). There were ten treatments, one control and nine fertilizer combinations. The results indicated that compost alone significantly increased P, K, Ca and Mg in shoot and root at 30 DAS and at maturity as compared to control. Different treatments of compost in combination with inorganic fertilizers obtained higher P concentrations in shoot and root at maturity compared with control treatment. Poultry manure alone significantly increased N in shoot and root at 30 days after sowing (DAS); P, K, and Mg in shoot and root at 30 DAS and at maturity as compared to control. By increasing the proportion of inorganic fertilizer combined with decreasing amount of poultry manure showed lower concentration of P, K and Mg in shoot and root at both the stages as compared to poultry manure alone. Reducing sugar, non-reducing sugar and total soluble sugar contents in grains varied within the ranges of 4.00-5.33%, 19.00-23.33%, and 23.00-28.67%, respectively.

Keywords: Ccompost, Nutrition, Poultry manure, Sugar.

Location: Chittagong University

Start Date: 00-00-2010

End Date: 00-00-2011

Program Area: Quality and Nutrition

Commodity: Maize

Objectives:

To examine the effect of household waste compost, poultry manures and inorganic fertilizer alone and their different combination on the mineral nutrition and quality of maize.

Methodology:

Field Experiment : A field experiment was conducted to study the effects of organic and inorganic fertilizers on the mineral nutrition and quality of Maize (Zea mays L.) during Rabi season in 2010-2011 at the Crop Field of the Department of Soil Science, University of Chittagong.Thirty experimental plots (2.2 m x 2.2 m) separated by 0.5 m margins were prepared in three adjacent blocks in the crop field. There were ten plots in each block for the ten treatment combinations comprising of poultry manure (PM), household waste compost and inorganic fertilizers- T₁(Control), T₂ (NPK alone @ 120 kg N ha^-1, 60 kg P ha^-1 and 80 kg K ha^-1), T₃ (Compost alone @ 30 t ha^-1 ), T₄(25% NPK+75% compost i.e. 30 kg N ha^-1, 15 kg P ha^-1 and 20 kg K ha^-1 + 22.5 t ha^-1 compost), T₅ (50% NPK+50% compost i.e.60 kg N ha^-1, 30 kg P ha^-1 and 40 kg K ha^-1+ 15 t ha^-1 compost), T₆ (75% NPK+25% compost i.e. 90 kg N ha^-1, 45 kg P ha^-1 and 60 kg K ha^-1+7.5 t ha^-1 compost), T₇(PM alone @30 t ha^-1), T8 (25% NPK+75% PM i.e. 30 kg N ha^-1, 15 kg P ha^-1 and 20 kg K ha^-1 + 22.5 t ha^-1 PM), T₉( 50% NPK+50% PM i.e.60 kg N ha^-1, 30 kg P ha^-1 and 40 kg K ha^{- 1}+ 15 t ha^-1 PM), T₁₀ (75% NPK+25% PM i.e. 90 kg N ha^-1, 45 kg P ha^-1 and 60 kg K ha^-1 +7.5 t ha^-1 PM). The treatments were arranged according to a randomized complete block design.Maize variety Hybrid Corn seed 984 Gold (984 F-1 Hybrid Thailand) was used in the experiment.

Determination of mineral nutrition and quality of maize: Oven dried (650 C to constant weight) and ground plant samples were digested with a mixture of H₂SO₄, H₂O₂ and lithium sulfate for the determination of N, P, K, Ca and Mg in the plant tissues[28]. The concentrations of Ca and Mg in the digest were measured by atomic absorption spectrophotometer (Varian nov AA). Micro-Kjeldahl method as described by Jackson [27] was used for the determination of nitrogen. Phosphorus was determined by vanadomolybdo phosphoric yellow colour method in nitric acid system according to Jackson [27]. Potassium was measured by flame photometer. Protein content of plant materials was obtained by multiplying the nitrogen value by 6.25. Total soluble sugars, reducing sugar and non-reducing sugar were determined as described by Shahnawaz et al. [29].

Statistical analysis: The significance of differences between the means of the treatments was evaluated by one way analysis of variance followed by Duncan’s Multiple Range Test at the significance level of 5%.

Source of Information: IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS,Volume 3, Issue 2 (Sep-Oct. 2012), PP 44-52

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Poultry manure provided the highest nitrogen and other nutrients which have contributed to the improvement in quality of maize. However, the compost prepared from the household wastes also gave satisfactory mineral nutrition.

Knowledge Management: Journal