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Intercropping Maize with Triticale and Kheshari

I. M Ahmed
SO
Agronomy Division, Gazipur

M.N. Islam
PSO
Agronomy Division, Gazipur

Abstract/ Executive Summary:

The experiment was conducted at the Bangladesh Agricultural Research Institute, Gazipur and RARS, Jamalpur during rabi 2007-08 to find out suitable intercrop combination of maize and fodder crops for higher productivity and economic return. Five treatments viz. T₁ = Maize (grain) (75 x 25 cm) intercropped with triticale (fodder), T₂ = Maize (grain) (75 x 25 cm) intercropped with kheshari (fodder), T₃ = Sole maize (grain), T₄ = Sole triticale (fodder), T₅ = Sole khesari (fodder) were studied in RCB design three replication. At both the sites, fodder yield was significantly influenced by intercropping. The highest green fodder yields (19.91, 20.86 t ha^-1 at Joydebpur and 14.89, 14.22 t ha^-1 at Jamalpur) were obtained from triticale intercropped with maize and sole triticale, respectively. On the other hand, the lowest green fodder yields (5.70, 6.59 t ha^-1 at Joydebpur and 4.86, 5.47 t ha^-1 at Jamalpur) were obtained from khesari intercropped with maize and sole khesari, respectively. In both the locations, significantly the highest grain yield (8.13 and 7.20 t ha^-1) was recorded in sole maize which was at par with maize intercropped with khesari and the lowest (7.11 and 5.20 t/ha) in maize intercropped with triticale (T₁). In both sites, sole maize and maize intercropped with khesari gave maximum BCR (2.85-3.06 and 2.78-3.03), respectively.

Keywords: Intercropping, Maize, Triticale, Kheshari

Location: Gazipur and RARS, Jamalpur

Start Date: 00-00-2007

End Date: 00-00-2008

Program Area: Farming System

Commodity: Maize, Grasspea, Triticale

Objectives:

To find out the suitable intercrop combination of maize with triticale and kheshari for higher yield and better economic return.

Methodology:

The experiment was conducted at the Bangladesh Agricultural Research Institute, Joydebpur and RARS, Jamalpur during rabi 2007-08. . Five treatments viz. T₁ = Maize (grain) (75 x 25 cm) intercropped with triticale (fodder), T₂ = Maize (grain) (75 x 25 cm) intercropped with kheshari (fodder), T₃ = Sole maize (grain), T₄ = Sole triticale (fodder) and T₅ = Sole khesari (fodder).The experiment was laid out in a randomized complete block design with four replications. The unit plot size was 6.0 m x 3.75 m. Hybrid maize BHM-5 triticale var. BARI Triticale-1 and kheshari var. Local were used in the experiment. Maize seeds were sown on 26 November, 2007 in Joydebpur location and 24 November, 2007 in Jamalpur location with 75 cm x 25 cm spacing. Triticale and kheshari were sown continuously in 20 cm apart solid line on same date. Three lines of triticale and two lines kheshari were sown in between two lines of maize. Fertilizers were applied at the rate of N250P55 K110 S55 kg ha-1 for maize and intercrop; N21P17 K20 S10 kg ha-1 for sole triticle and N20P40K20 kg ha-1 for sole khesari in the form of urea, triple super phosphate (TSP), muriate of potash (MOP) and gypsum. One third of nitrogen and full dose of other fertilizers (sole maize and intercrop) were incorporated into the soil during final land preparation. All fertilizers were applied as basal for sole triticale and sole khesari. Remaining nitrogen were top-dressed in two equal splits at 35 and 60 days after sowing (DAS) in maize rows (sole and intercrop). Fodder cutting of triticale was done at 40 and 55 days after sowing (DAS); and khesari at 50 and 70 DAS. Cutting was done for green fodder leaving the plants 3-5 cm above the ground level to facilitate regeneration. Fodder cutting was followed by irrigation and top dressing. Fifty gram plant sample were collected from each plot, partitioned into different components and oven dried for calculating dry matter followed by chemical analysis.Chemical composition estimation for fodder quality was done at Bangladesh Livestock Research Institute (BLRI) laboratory.

Source of Information: Annual Report, Agronomy Division 2007-2008, BARI

Article Link (Online Journal):

Funding Source:

1. Asian Development Bank

Budget: 20,000/-

Total Budget (Tk.) : 20,000/-

Achievement/Findings:

The results obtained from the experiment led to conclude that additional forage may be obtained from intercropped khesari without significant reduction in grain yield of maize. Considering the soil health, the treatment combination maize (grain) + khesari (fodder) may be selected as the best combination.

Knowledge Management: Report/Proceedings