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Effect of Source and Rate of Compost on the Yield and Yield Components of Lentil

M. S. U. Bhuiya
Department of Agronomy, Bangladesh Agricultural University, Mymensingh

M. J. Rahman
Department of Agronomy, Bangladesh Agricultural University, Mymensingh

N. Islam
Department of Agronomy, Bangladesh Agricultural University, Mymensingh

Abstract/ Executive Summary:

The experiment was carried out at the Agronomic Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from November 2006 to March 2007 to study the effect of source and rate of compost on the yield and yield components of lentil. Two factors-sources of compost (Sesbania rostrata, water hyacinth and farm compost) and rates of compost (5.0, 10.0, 15.0 and 20.0 t ha^-1) were included in the experiment. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. Only one variety of lentil, variety- BINA Masur 2 was included as experimental crop. Source of compost significantly influenced the plant population, number of branches plant^-1, number filled pods plant^-1, number of sterile pods plant^-1, number of total pods plant^-1, number of seeds plant^-1, 1000-seed weight (g) and seed yield (t ha^-1). The highest seed yield (0.81 t ha^-1) was recorded in S. rostrata compost and lowest (0.79 t ha^-1) in farm compost. The results of the experiment also indicated that plant population, plant height (cm), number of branches plant^-1, number of filled pods plant^-1, number of sterile pods plant^-1, number of total pods plant^-1, number of seeds plant^-1, seed yield (t ha^-1), straw yield (tha^-1) and biological yield were significantly affected by the rate of compost. Significantly highest seed yield (0.90 t ha^-1) was produced by the application of compost @ 20 t ha^-1 than other rates. The interaction effect between source (S. rostrata) and rate (20 t ha^-1) of compost on the seed yield of lentil was significant and the highest seed yield (0.96 t ha^-1) was recorded by the application of S. rostrata compost @ 20 t ha^-1.

Keywords: Lentil, Source of compost, Rate of compost

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

Start Date: 00-11-2006

End Date: 00-03-2007

Program Area: Crop-Soil-Water Management

Commodity: Lentil

Objectives:

1. To formulate an input package with source and rate of compost. So, that it will be technically effective and feasible, economically viable, socially acceptable and environment friendly for lentil production.

Methodology:

The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, during the period from November 2006 to March 2007.The land was medium high having sandy loam texture soil belongs to Sonatala series under the non-calcareous dark grey floodplain soil type with soil pH 6.70.The soil is low in organic matter content and its general fertility level is low. Treatment included two factors in the experiment. They were: Factor A. Source of compost i) Dhaincha (Sesbania rostrata) ii) Water hyacinth (Eichhornia crassipes) iii) Farm compost Factor B. Rate of compost i) 5 t ha^-1 ii) 10 t ha^-1 iii) 15 t ha^-1 iv) 20 t ha^-1 The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. The unit plot size was 5 m2 (2.5 m x 2.0 m). Only one variety of pulse crops lentil, variety- BINA Masur 2 was included as experimental crop. No chemical fertilizer was applied in the experimental plots during crop growth period. Compost materials were collected from the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh. Compost was applied @ 5, 10, 15 and 20 t ha 1 as basal and mixed with the soil by spading prior to the final land preparation. Sample of compost from different sources such as compost prepared from S. rostrata, water hyacinth and farm compost were collected for chemical analysis before application. Chemical composition of compost are S. rostrata, water hyacinth and farm compost contained 1.736, 1.176 and 0.896 percent of N; 0.949, 0.119 and 0.278 percent of P; 0.565, 0.565 and 1.284 percent of K and 0.197, 0.169 and 0.171 percent of S, respectively. The seeds with 92 percent germination capacity were sown in lines continuously at a 25 cm row spacing at the seed rate of 44 kg ha^-1. The crop was grown in rainfed condition and seeds were sown in line uniformly. No thinning was required and plant protection measure was taken against root rot disease during the growing period of lentil by sprayed Cufravit @ 50 g 10-1 liter of water. Weed was controlled three times due to heavy infestation of weeds. At full maturity, five sample plants were uprooted for data collection from each plot. Grain and straw yields were recorded through whole plot harvesting. The collected data were compiled and tabulated in proper form subjected to statistical analysis. Data were analyzed using the analysis of variance (ANOVA) technique with the help of computer package programme MSTAT-C and mean differences were adjudged by Dunkun’s Multiple Range Test (DMRT).

Source of Information: J. Agrof. and Env. 1(2): 165-168, 2007;

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results of the experiment also indicated that plant population, plant height (cm), number of branches plant^-1, number of filled pods plant^-1, number of sterile pods plant^-1, number of total pods plant^-1, number of seeds plant^-1, seed yield (t ha^-1), straw yield (tha^-1) and biological yield were significantly affected by the rate of compost. Significantly highest seed yield (0.90 t ha^-1) was produced by the application of compost @ 20 t ha^-1 than other rates. The interaction effect between source (S. rostrata) and rate (20 t ha^-1) of compost on the seed yield of lentil was significant and the highest seed yield (0.96 t ha^-1) was recorded by the application of S. rostrata compost @ 20 t ha^-1.

Knowledge Management: Journal