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Influence of Cutting Time on Fodder Yield and Quality of Maize Varieties

R.R. Saha
SSO
Agronomy Division, Gazipur

S.S. Kakon
SO
Agronomy Division, Gazipur

Abstract/ Executive Summary:

At two years study was conducted at BARI, Joydebpur to select the suitable variety with proper cutting time for maize that could gave maximum fodder yield and better quality. Three maize varieties such Mohar, BARI hybrid maize 3 (BHM 3) and BARI hybrid maize 5 (BHM 5) and four cutting time, viz 40, 60, 80 & 100 days after sowing (DAE) were included in the study. Plant height, number of leaf and fresh weight per plant, fodder yield were significantly varied among the year, variety and cutting time. Fodder yield increased with increasing cutting time in both the years. Irrespective of years, BARI hybrid maize 5 when harvested at 100 days after sowing produced significantly the highest fodder yield (52.55 t/ha) which was at par with BARI hybrid maize 3 at the same cutting time. Fodder quality also varied significantly due to year, variety and cutting time in respect of percentage of dry matter (DM), organic matter (OM), Ash, acid detergent fiblore (ADF) and crude protein (CP). Fodder quality was found up to 80 days after sowing in Mohar and BARI hybrid maize 3 in terms of ADF (<40%) and CP (>10%) and up to 60 days after sowing in BARI hybrid maize 5 irrespective of years. It revealed that BARI hybrid maize 3 could be grown up to 80 DAS for higher fodder yield and better quality in terms of ash, OM, ADF and CP concentration.

Keywords: Cutting time, Fodder yield and quality, Maize

Location: Joydebpur, Gazipur

Start Date: 00-00-2006

End Date: 00-00-2008

Program Area: Crop-Soil-Water Management

Commodity: Maize, Fodder

Objectives:

To find out the appropriate cutting time for maximum fodder yield as well as better quality.

Methodology:

The experiment was conducted at the research field of Agronomy Division, BARI, Joydebpur, Gazipur during the rabi season of 2006-07 and 2007-08. The experiment was laid out in a split plot design with three replications. Three maize varieties viz. Mohar, BARI hybrid maize 3 (BHM 3) and BARI hybrid maize 5 (BHM 5) were adopted in the main plot and four cutting time viz. 40 DAS (days after sowing), 60 DAS, 80 DAS and 100 DAS in the sub plot. The size of each plot was 4.5 m x 3 m. Seeds were sown on 6 December during 2006-07 and 29 November during 2007-08 with 40 cm x 20 cm spacing. The experimental plots were fertilized @ 80-26-33-20-2 NPKS Zn/ha for composite (Mohar) and @ 166-120-120-40-5 NPKSZn/ha for hybrid maize (BHM 3 and BHM 5) in the form of urea, triple super phosphate, muriate of potash, gypsum and zinc sulphate. Half of urea and all other fertilizers were applied as basal. The rest half of urea was applied at 53 and 56 DAS in 1st and 2nd year, respectively. Experimental field was irrigated following post sowing, at 22 DAS and 52 DAS, respectively. Mulching and weeding were done at 32 to 35 DAS. The fodder was harvested as per cutting treatment and fodder yield was taken from whole plot. Five plant samples were collected from each plot, partitioned into different components and oven dried for calculating dry matter followed by chemical component analysis. Chemical component estimation for fodder quality was done at Bangladesh Livestock Research Institute (BLRI) Laboratory, Savar. Combined analysis performed on yield and yield components and means were adjusted by LSD.

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

Article Link (Online Journal):

Funding Source:

1. Asian Development Bank

Budget: 15,000/-

Total Budget (Tk.) : 15,000/-

Achievement/Findings:

From two years study it is revealed that BARI hybrid maize 3 cutting at 80 days after sowing could be optimum for higher yield with better quality in terms of percentage of OM, Ash, ADF and CP content.

Knowledge Management: Report/Proceedings