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Effects of Variety and Source of Compost on the Yield and Yield Components of Lentil

S. Barman
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

M.S.U. Bhuiya
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

M.Z. Haque
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

Abstract/ Executive Summary:

A field experiment followed by a randomized complete block design with four replications was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensigh, during the Rabi season of 2007 to 2008 with a view to studying the effects of variety and compost from different sources on the yield and yield components of lentil. The varieties BINA masur 2, BARI masur 3 and BARI masur 4 as well as compost of Mimosa invisa, Sesbania rostrata, and Sesbania aculeata were included in the study. The results showed that variety had significant effect on plant height (cm), number of branches plant^-1, effective tillers plant^-1, non effective tillers plant^-1, total pods plant^-1, total seeds plant^-1, 1000-seed weight (g), seed yield (kg ha^-1), straw yield (kg ha^-1), and biological yield (kg ha^-1) except harvest index (%).The highest seed yield was produced by the variety BARI masur 3 (946 kg ha^-1) and the lowest by BARI masur 4 (900 kg ha^-1). Compost significantly influenced number of branches plant^-1, effective tillers plant^-1, non-effective tillers plant^-1, total pods plant^-1, total seeds plant^-1, seed yield (kg ha^-1), straw yield (kg ha^-1), biological yield (kg ha^-1), and harvest index (%) of lentil. Other yield components like plant height (cm) and 1000-seed weight (g) were not significantly influenced by compost. The highest seed yield (986 kg ha^-1) was given by Mimosa invisa compost followed by Sesbania aculeata and Sesbania rostrata. The highest seed yield (1033 kg ha^-1) was recorded from the interaction of BARI masur 3 and Mimosa invisa compost. Thus from the results of the experiment, it may be concluded that Mimosa invisa may be used as compost for growing lentil.

Keywords: Compost, Lentil, Yield components, Yield.

Location: Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensigh

Start Date: 25-11-2007

End Date: 18-04-2008

Program Area: Crop-Soil-Water Management

Commodity: Lentil

Objectives:

1. To reveal the effect of variety and source of compost on the yield components and yield of lentil.

Methodology:

The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University (BAU), Mymensigh during the period from November 2007 to March 2008. The land was medium high having sandy loam soil and belongs to Sonatola series under the non calcareous dark-grey floodplain soil of Old Brahmaputra floodplain AEZ-9. The experiment was consisted of two factor, Variety viz. BINA masur 2, BARI masur 3, BARI masur 4 and Compost viz. ‘Lajjabati’ (Mimosa invisa), African dhaincha (Sesbania rostrata), Deshi dhaincha (Sesbania aculeata). The experiment was laid out in a randomized complete block design with four replications. The unit plot size was 5m². Compost from different sources like Sesbania rostrata, Sesbania aculeata and Mimosa invisa were prepared in three different pits. The crops were grown in separate fields and cut into pieces before flowering stage. The cut pieces were then put in the pits and covered with soils. After three months the decomposed compost were used in the experimental plots. The land was manured with the compost prepared from Sesbania rostrata, Mimosa invisa and Sesbania aculeata @ 15 ton ha^-1. The whole amount of compost from different sources was applied during land preparation. Seeds of lentil of the cultivars were collected from the Bangladesh Agriculture Research Institute (BARI), Gazipur and the Bangladesh Institute of Nuclear Agriculture (BINA) Mymensigh. Seeds with 92% germination capacity were sown uniformly in 30cm apart lines in hand made furrows on 25 November 2007 @ 13 kg ha^-1and covered with soil by hand. After the emergence of seedlings, gap filling was done. Two times weeding were done to control weeds. The crop was harvested at full maturity on 18 March 2008. The harvested crop was brought to the threshing floor and dried for three days. There the seeds and straw were separated and cleaned. The cleaned seeds were dried in sun for 3-4 consecutive days. The yield of seed was adjusted at 12% moisture content. Data were recorded on plant height (cm), branches plant^-1, effective and non-effective tillers plant^-1, pods plant^-1, seeds plant^-1, 1000-seed weight (g ), seed yield plant^-1 , straw yield plant^-1 were recorded from randomly selected plants of each plot. The yield/ha was estimated from the yield/plant. The data were analyzed statistically and the mean differences were evaluated by least significance difference

Source of Information: J. Agrofor. Environ. 3 (1): 13-15, 2009; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

From the result it may be concluded that BARI masur 3 with compost from Mimosa invisa performed best in respect of seed yield of lentil.

Knowledge Management: Journal