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Integrated Use of Poultry Manure with Prilled Urea and Urea Super Granules for Improving Yield and Protein Content of Aromatic Rice (cv. BRRI Dhan50)

T Biswas
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

SK Paul
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

MAR Sarkar
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

SK Sarkar
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from December 2013 to May 2014 to evaluate the integrated use of poultry manure with prilled urea and USG for improving the growth, yield and protein content of aromatic Boro rice (cv. BRRI dhan50). The experiment was laid out in a randomized complete block design with three replications. The experiment comprised 14 treatments viz. control (no manure and no fertilizer), recommended dose of prilled urea (115 kg N ha^-1), urea super granules (USG) 1.8 g (55 kg N ha^-1), USG 2.7 g (80 kg N ha^-1), poultry manure (PM) 2.5 t ha^-1, PM 5 t ha^-1, recommended dose of prilled urea + PM 2.5t ha^-1, recommended dose of prilled urea + PM 5 t ha^-1, 50% of recommended dose of prilled urea + PM 2.5 t ha^-1, 50% of recommended dose of prilled urea + PM 5 t ha^-1, USG 1.8 g + PM 2.5 t ha^-1, USG 1.8 g + PM 5 t ha^-1, USG 2.7 g + PM 2.5 t ha^-1and USG 2.7 g + PM 5 t ha^-1. The experiment was laid out in a randomized complete block design with three replications. Morphological characteristics, yield contributing characters and yield of aromatic Boro rice (cv. BRRI dhan50) were significantly influenced by integrated use of poultry manure with prilled urea and USG. USG 2.7 g + PM 5 t ha^-1 gave the highest plant height, number of tillers hill^-1 and total dry matter production at all sampling dates while their corresponding lowest values were recorded in control. The highest yield contributing characters viz. number of effective tillers hill^-1 (13.08), grains panicle^-1 (124.26g) and 1000- grain weight (21.41g) were recorded in USG 2.7 g + PM 5 t ha^-1 and the lowest values were recorded in control. The highest grain yield (5.33 t ha^-1) and protein content (7.49%) were obtained at USG 2.7 g + PM 5 t ha^-1 which was as good as recommended dose of prilled urea (115 kg N ha^-1) + PM 5 t ha^-1, USG 2.7 g + PM 2.5 t ha^-1, USG 1.8 g + PM 5 t ha^-1, recommended dose of prilled urea (115 kg N ha^-1) + PM 2.5 t ha^-1 while the lowest one (2.00 t ha^-1) was obtained in control plots. The integrated use of poultry manure (5 t ha^-1) with USG 1.8 g (55 kg N ha^-1) appeared as the promising practice because of reducing considerable amount of prilled urea or USG in aromatic Boro rice (cv. BRRI dhan50) cultivation in terms of grain yield and grain protein content.

Keywords: Aromatic rice, Prilled urea, Poultry manure, Growth, Yield, Protein

Location: Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, Bangladesh.

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Manures, Fertilizer

Objectives:

The present study was undertaken to observe the effect of poultry manure with prilled urea and USG on the growth, yield and grain protein content of aromatic Boro rice (cv. BRRI dhan50).

Methodology:

A field experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, Bangladesh. The land was medium high with sandy loam texture having pH 6.4. BRRI dhan50, a high yielding aromatic rice variety of Boro rice, developed by the Bangladesh Rice Research Institute, was used as the test crop. The experiment comprised fourteen treatments viz. Control (no manure and no fertilizer), recommended dose of prilled urea (115 kg N ha^-1), urea super granules (USG) 1.8 g (55 kg N ha^-1), USG 2.7 g (80 kg N ha^-1), poultry manure (PM) 2.5 t ha^-1, PM 5 t ha^-1, recommended dose of prilled urea + PM 2.5 t ha^-1, recommended dose of prilled urea + PM 5 t ha^-1, 50% recommended dose of prilled urea + PM 2.5 t ha^-1, 50% of recommended dose of prilled urea + PM 5 t ha^-1, USG 1.8 g + PM 2.5 t ha^-1, USG 1.8 g + PM 5 t ha^-1, USG 2.7 g + PM 2.5 t ha^-1 and USG 2.7 g + PM 5 t ha^-1.The experiment was laid out in a randomized complete block design with three replications. The size of unit plot was 4.0 m × 2.5 m. The distances between blocks and plots were 1 m and 75 cm, respectively. The land was fertilized as per treatment specification. At the time of final land preparation, each unit plot was fertilized with combined level of poultry manure in the respective plots according to treatment. The amount of phosphorus, potassium, sulphur and zinc required for total land was calculated on hectare basis and applied in the form of triple superphosphate (TSP), muriate of potash (MoP), gypsum and zinc sulphate, respectively. Full dose of TSP, MoP, gypsum and zinc sulphate were applied at final land preparation. Urea was applied in three equal splits as top dressing at 10, 30 and 50 days of transplanting (DAT). As per experimental specification USG were placed at 8 cm depth at 15 DAT in the center off our hills in every alternate rows according to treatment specification. Five hills (excluding border hills) from each plot were randomly selected, uprooted and properly tagged before harvesting for recording necessary data on yield contributing characters. The harvested crop of each plot was bundled separately, tagged properly and brought to the clean threshing floor. The bundles were dried in open sunshine, threshed and then seeds were cleaned. The grain and straw weights for each plot were recorded after proper sun drying. The grain yield was adjusted to14% moisture content. Grain and straw yield per plot were converted to ton per hectare. Grain protein content (%) was estimated by Micro-Kjeldahl method (AOAC, 1984) at the Agri-Varsity Humboldt Soil Testing Laboratory of Soil Science Department, Bangladesh Agricultural University, Mymensingh. The collected data were analyzed statistically following the ANOVA technique and the mean differences were adjudged by Duncan’s Multiple Range Test (Gomez and Gomez, 1984) using a statistical computer package program MSTAT-C.

Source of Information: Progressive Agriculture 27 (2): 86-93, 2016

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In this study, USG 2.7 g (80 kg N ha^-1) + poultry manure (PM) 5 t ha^-1performed best in respect of growth, grain yield and grain protein content of aromatic Boro rice (cv. BRRI dhan50) which was as good as recommended dose of prilled urea (115 kg N ha^-1) + PM 5 t ha^-1, USG 2.7 g + PM 2.5 t ha^-1, USG 1.8 g(55 kg N ha^-1) + PM 5 t ha^-1, recommended dose of prilled urea (115 kg N ha^-1) + PM 2.5 t ha^-1. So, it can be concluded that aromatic Boro rice (cv. BRRI dhan50) may be cultivated with USG 1.8 g (55 kg N ha^-1) + PM 5 t ha^-1 for appreciable grain yield and grain protein content because of reducing considerable amount of prilled urea or USG in combination with PM 5 t ha^-1. This practice will in turn be helpful for soil health and environment.

Knowledge Management: Journal