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Performance of Two Carrot Varieties Under Goraneem Based Multistoried Agroforestry System

M. Omar Ali
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh-2202

M.A. Rahim
Department of Horticulture, Bangladesh Agricultural University, Mymensingh-2202

M.S. Bari
Department of Agroforestry, Hajee Mohammad Danesh Scienceand Technology University, Dinajpur

Abstract/ Executive Summary:

The experiment was conducted at the Germplasm Centre, Horticulture farm, Bangladesh Agricultural University, Mymensingh during the period from October, 2006 to April, 2007 to evaluate the performance of two carrot varieties under multistoried cropping system. The experiment consisted of two carrot varieties viz., NK and SB and three cropping system viz., sole cropping, goraneem + lemon based multistoried cropping system and goraneem + guava based multistoried cropping system with three replications following the RCBD design. In the three layered cropping systems, goraneem was planted as upper storey multipurpose trees, guava and lemon was established as middle storey fruit crops and carrot was cultivated as ground storey crops. The results revealed that as sole cropping, variety NK gave better performance than that of variety SB. Again, both the varieties produced maximum yield in sole cropping. In multistoried cropping system, goraneem + lemon based multistoried agroforestry system, gave better performance (NK 23.83 and SB 17.03 t/ha). Then goraneem + guava based multistoried agroforestry system (NK 12.41 and SB 12.00 t/ha). Except plant height and length of leave all other parameters were significantly lower in multistoried agroforestry system than sole cropping. The economic analysis showed that multistoried cropping of variety NK with goraneem+lemon was beneficial in terms of total net return from a unit area and time.

Keywords: Goraneem, Lemon, Guava, Multistoried Agroforestry system, Carrot

Location: Germplasm centre of Department of Horticulture, Bangladesh Agricultural University, (BAU), Mymensingh

Start Date: 00-10-2006

End Date: 00-04-2007

Program Area: Farming System

Commodity: Carrot, Guava, Indian lilac (Neem)

Objectives:

1. To find the suitable variety of carrot which is adaptable under goraneem based multistoried agroforestry system.

Methodology:

The experimental site is situated under tropical monsoon climate characterized by heavy rainfall during the months from April to September and then scantly rainfall during the rest period of the year. The soil texture was sandy loam with a pH 5.8-6.8. The structure of the soil was fine and the organic matter content was 1.80%. Two carrot (Dancus carrota) varieties NK and SB were used and each variety (NK or SB) was laid out in a (RCBD) under three treatments with three replications. Treatments were: (a) T₁ = Carrot under full sunlight (open condition) (b) T₂ = Goraneem + Lemon + Carrot (c) T₃ = Goraneem + Guava + Carrot. The carrot was in ground layer, five years old lemon plants in middle layer in fruits condition (spacing 3m×3m) and goraneem occupied upper layer spacing 6m×6m). The seeds of carrot were directly sown in the experimental plots on 10 October, 2006, maintaining the spacing of continuously at 25-30 cm apart lines. Recommended doses of fertilizer were used for the carrot. The plots were irrigated whenever needed by using hose pipe and watering cane. Carrot harvesting was started at 90 days after planting and continued up to 125 days. Economics of various treatments was calculated taking into account the current costs of inputs and produce. The data on various growth and yield performance characters of the tested varieties were statistically analyzed to examine the significant variation of the results due to different shading condition. The analysis of variance for each of the studied character was done by F (Variance ratio) test following RCBD. The treatment means were compared at 1 and 5 per cent level of significance (using MSTAT computer program and Excel program).

Source of Information: J. Agrofor. Environ. 1(2): 93-96, 2007; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results revealed that as sole cropping, variety NK gave better performance than that of variety SB. Again, both the varieties produced maximum yield in sole cropping. In multistoried cropping system, goraneem + lemon based multistoried agroforestry system, gave better performance (NK 23.83 and SB 17.03 t/ha). Then goraneem + guava based multistoried agroforestry system (NK 12.41 and SB 12.00 t/ha). Except plant height and length of leave all other parameters were significantly lower in multistoried agroforestry system than sole cropping. The economic analysis showed that multistoried cropping of variety NK with goraneem+lemon was beneficial in terms of total net return from a unit area and time.

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