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Effect of Urea Super Granules, Prilled Urea and Poultry Manure on the Yield of Boro Rice Varieties

M.H. Kabir
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

M.A.R. Sarkar
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

A.K.M.S.H. Chowdhury
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

Abstract/ Executive Summary:

An experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh in Boro season 2009 to find out the performance of Boro rice varieties and to find out the effect of urea supergranules (USG) on the yield and yield attributes of Boro rice varieties, to find out the effect of poultry manure (PM) on the performance of Boro rice varieties and to evaluate the combined effect of USG and PM; and prilled urea (PU) and PM on the yield and yield attributing characters of Boro rice varieties. Two Boro rice varieties, viz. BRRI dhan28 and BRRI dhan29 were included in the study. Data were recorded on different yield parameters from the experiment for analyzing and results discussion. Variety BRRI dhan29 gave higher grain yield than BRRI dhan28. For fertilizer effect, the highest grain yield (6.16 t ha^-1) was found from 2.7g USG and other inorganic fertilizers which was similar to 2.7g USG + PM at 5 t ha^-1. The lowest grain yield (3.89 t ha^-1) was obtained from control treatment. For interaction, the highest grain yield (6.28 t ha^-1) was found in BRRI dhan29×2.7g USG and other inorganic fertilizers. The lowest grain yield (3.59 t ha^-1) was found in control treatment.

Keywords: Urea super granules, Prilled urea, Poultry manure, Yield, Boro rice variety

Location: Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh

Start Date: 00-12-2008

End Date: 00-03-2009

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

1. To find out the performance of Boro rice varieties and to find out the effect of urea supergranules (USG) on the yield and yield attributes of Boro rice varieties, to find out the effect of poultry manure (PM) on the performance of Boro rice varieties and to evaluate the combined effect of USG and PM; and prilled urea (PU) and PM on the yield and yield attributing characters of Boro rice varieties.

Methodology:

The experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh in Boro season 2008-2009. The experiment consisted of two Boro rice varieties viz. BRRI dhan28 and BRRI dhan29; and ten levels of integrated nutrient management viz. T₁ = Control (No PM and NPKSZn fertilizers), T₂= PM at 5 t ha^-1,T₃ = PM at 2.5 t ha^-1, T₄= Recommended dose of PU and other inorganic fertilizers (i.e. 120,60,40,10,5 kg of N, P₂O₅, K₂O, S, ZnSO₄, respectively ha^-1), T₅ = Full dose of USG and other inorganic fertilizers (i.e. 120,60,40,10,5 kg of N, P₂O₅, K₂O, S, ZnSO₄, respectively ha^-1), T₆ = ½ PU and PKSZn + PM at 2.5 t ha^-1, T₇ = 1.8 g USG + PM at 5 t ha^-1, T₈ = 1.8 g USG + PM at 2.5 t ha^-1, T₉ = 2.7 g USG (full dose for Boro) + PM at 5 t ha^-1 and T₁₀ = 2.7g USG (full dose for Boro) + PM at 2.5 t ha^-1. The experiment was laid out in a randomized complete block design with three replications. The unit plot size of the experiment was 4.0m × 2.5m. Thirty days old seedlings were transplanted at spacing of 20 cm×20 cm with two seedlings hill^-1. All the fertilizers except prilled urea were applied as basal at final land preparation. Prilled urea was top dressed in equal splits at 15, 30 and 45 days after transplanting (DAT). Gap filling, weeding, irrigation and other necessary intercultural operations were done in proper time. The crops were harvested at full maturity. The maturity of crops was determined when some 80% of the grains became golden yellow in colour. Five sample plants were randomly selected and uprooted prior to harvesting from each plot excluding border rows to record data on yield contributing characters. Grain and straw yields plot ^-1 were recorded after threshing by a pedal thresher, winnowing and sun drying in the properly. The grain and straw yield was adjusted to 12% moisture content and converted to t ha^-1. All the collected data were analyzed following standard statistical procedure and differences among treatment means were adjudged by Duncan’s Multiple Range Test (DMRT).

Source of Information: J. Agrofor. Environ. 3 (2): 121-124, 2010; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

In Boro season, BRRI dhan29 can be successfully cultivated with full dose of USG (2.7g) and other inorganic fertilizers (PKSZn) to obtain the highest grain yield. BRRI dhan28 can also be successfully cultivated with full dose of USG (2.7g) and other inorganic fertilizers (PKSZn) to obtain similar grain yield. In Boro season using full dose of USG with other inorganic fertilizers (PKSZn) showed the best yield performance

Knowledge Management: Journal