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Effect of Different Levels of Cowdung on Growth, Yield and Nutrient Content of BRRI Dhan33

M. Oahiduzzaman
Department of Agricultural Chemistry, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

S.C. Shovon
Department of Agricultural Botany, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

A. Mahjuba
Department of Agricultural Botany, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

H. Mehraj
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

AFM Jamal Uddin
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

Abstract/ Executive Summary:

The experiment was conducted at the Farm of Sher-e-Bangla Agricultural University, Bangladesh during the period from June to November 2012 to study the effect of cowdung on yield and nutrient content of transplanted Aman rice (BRRI dhan33). The experiment consisted 4 levels of cowdung, viz., C₀: 0 ton cowdung ha^-1(control), C₁: 4.5 ton cowdung ha^-1, C₂: 5.0 ton cowdung ha^-1 and C₃: 5.5 ton cowdung ha^-1following Randomized Complete Block Design with three replications. Tallest plant (88.6 cm at harvest), maximum number of effective tillers hill^-1 (13.4), maximum grain yield ha^-1(5.2 ton) was found from C₃ while minimum from C₀. On the other hand, maximum N (1.39%), P (0.29%), K (0.65%), S (0.13%) and Zn (0.026%) content in grain was found from C₃which was statistically similar with the C₂ whereas minimum from C₀.

Keywords: BRRI dhan33, Cowdung, Yield and nutrient content

Location: Experimental Farm of Sher-e-Bangla Agricultural University, Bangladesh

Start Date: 31-05-2012

End Date: 31-10-2012

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To study the effect of cowdung on yield and nutrient content of transplanted Aman rice (BRRI dhan33).

Methodology:

The experiment was conducted at the Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during the period from June to November 2012 to study the effect of zinc on growth, yield and nutrient content of transplanted (T.) Aman rice BRRI dhan33. The experiment consisted four levels of cowdung viz. C₀: 0 ton cowdung ha^-1 (Control), C₁: 4.5 ton cowdung ha^-1, C₂: 5.0 ton cowdung ha^-1, C₃: 5.0 ton cowdung ha^-1 followed by Randomized Complete Block Design with three replications, where the experimental area was divided into three blocks representing the replications to reduce soil heterogenetic effects. The unit plot size was 3.0 m × 2.0 m and was separated from each other by 0.5 m ails. The distance maintained between two blocks and two plots were 1.0 m and 0.5 m respectively. Different doses of cowdung were applied during final land preparation. The fertilizer rea 150 kg ha^-1,TSP 120 kg ha^-1,MP 120 kg ha^-1, Gypsum 100 kg ha^-1, Zinc Sulphate 5 kg ha^-1, Borax 10 kg ha^-1were applied at the time final land preparation. Only Urea was applied as split. Thirty days old seedlings of BRRI dhan33 were carefully uprooted and transplanted on 03 July, 2012 in well puddled plot. Three seedlings hill^-1 were used following a spacing of 20 cm × 20 cm. After one week of transplanting all plots were checked for any missing hill, which was filled up with extra seedlings whenever required. Leaf roller was observed in the field and used Malathion @ 1.12 L ha^-1 to control. The crop was harvested at full maturity when 80-90% of the grains were turned into straw colored. The crop was cut at the ground level and plot wise crop was bundled separately and brought to the threshing floor. Data were collected on plant height, effective tillers hill^-1, non-effective tillers hill^-1, total tillers hill^-1, filled grains panicle^-1, unfilled grains panicle^-1, total grains panicle^-1, weight of 1000 seeds, grain yield, straw yield, biological yield, harvest index and also content of N, P, K, S, Zn on grain samples. Data were recorded as the average of 10 plants selected at random from the inner rows of each plot. Grains and straw obtained from each unit plot were sun-dried and weighed carefully. The dry weight of grains and straw of central 1 m² area and five sample plants were added to the respective unit plot yield to record the final grain yield plot^-1 and finally converted to ton hectare^-1(t ha^-1). The summation of grain and straw yield were considered as biological yield. Collected data were statistically analyzed using MSTAT-C Computer Package Program. The significance of the differences among the treatment means were estimated by the Duncan’s Multiple Range Test (DMRT) at 1% level of probability.

Source of Information: INTERNATIONAL JOURNAL OF BUSINESS, SOCIAL AND SCIENTIFIC RESEARCH, Page: 227-231, Volume 01, Issue 03, (2014)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The maximum number of filled grains panicle^-1 (83.73) was found from C₃. The highest grain yield ha^-1 (5.18 ton) was observed from C₃. It was observed that cowdung application have significant positive effect on growth and yield of BRRI dhan33. 5 t ha^-1 cowdung and 5.5 t ha^-1 cowdung showed statistically same grain yield.

Knowledge Management: Journal