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Improvement of Seed Yield of Radish (raphanus Sativa L) Through Integrated Nutrient Management

A.S.M.H.M Talukder
Wheat Research Center, Bangladesh Agricultural Research Institute, Dinajpur

M.H. Reza
Agricultural Research Station, Bangladesh Agricultural Research Institute, Thakurgaon

H.C. Mohanta
Agricultural Research Station, Bangladesh Agricultural Research Institute, Thakurgaon

M.M.A. Shaheed
Ex. M.S. Student, Dept. of Soil Science, Institute of Post Graduate Studies in Agriculture, Salna, Gazipur

Abstract/ Executive Summary:

Field experiments were conducted during Rabi season of 1997-98 to 1998-99 at ARS, Thakurgaon to find out appropriate fertilizer dose for maximizing seed yield of Radish (var. BARI Mula-2). Radish steckling received three levels of magnesium (0, 15 & 30 kg/ha) , two levels each of zinc (0 & 4 kg/ha) , boron (0 & 2 kg/ha) , molybdenum (0 & 0.5 kg/ha) and cowdung (0 & 15 t/ha) and four levels of lime (0, 1, 2 & 3 t/ha). The fertilizer dose @ 15, 4 & 2 kg/ha of Mg, Zn and B and 1 t/ha lime plus 15 t/ha cowdung along with a blanket dose of 175 kg N, 125 kg P₂0₅, 140 kg K₂0 and 40 kg S/ha was the best among the treatments in both years. The highest seed yield of 1.8 t/ha in 1997-98 and 1.7 t/ha in 1998-99 with an average of 1.75 t/ha was obtained with this treatment.

Keywords: Seed yield of Radish, Nutrient management

Location: Agricultural Research Station, Bangladesh Agricultural Research Institute, Thakugoan

Start Date: 00-00-1997

End Date: 00-00-1999

Program Area: Seed Technology

Commodity: Radish

Objectives:

To find out appropriate fertilizer dose for maximizing seed yield of Radish (var. BARI Mula-2).

Methodology:

The investigation was carried out at the Agricultural Research Station, Bangladesh Agricultural Research Institute, Thakugoan during the Rabi season of 1997-98 and 1998-99. The variety was used BARI Mula-2. There were eleven treatment combinations consisting of three levels of magnesium (0, 15 and 30 kg/ha) from magnesium oxide, two levels each of zinc (0 and 4 kg/ha) from zinc oxide, boron (0 and 2 kg/ha) from boric acid, molybdenum (0 and 0.5 kg/ha) from sodium molybdate and cowdung (0 and 15 t/ha) and four levels of lime (0, 1, 2 and 3 t/ha) from calcium carbonate. A blanket dose of 175 kg nitrogen, 125 kg phosporus, 140 kg potassium and 40 kg suphur per hectare from urea, triple super phosphate, muriate of potash and gypsum, respectively, were used. The whole amount of lime was applied two months before root transplanting during the first ploughing as per treatment. The entire amount of phosphorus, sulphur, magnesium, zinc, boron, molybdenum and cowdung was applied at the time of final land preparation. Nitrogen and potassium were applied in three equal installments at 15, 25 and 35 days after transplanting as top dressing. All the treatments were replicated 3 times in a randomized complete block design. The unit plot size was 2.4 x 1.6 m having a spacing of 40 x 30 cm. The steckling were prepared by removing 1/3 rd portion from the pointed bottom of the strongly selected radish roots and retaining 2/3 rd length of roots of uniform size for transplanting. The leaves were also cut away leaving about 4 cm from the upper core of the root. Before planting, the roots were treated by Ridomil MZ @ 0.2% and planted on the last week of November in both the years. Intercultural operations viz, weeding, irrigation and plant protection measures were done when needed. Harvesting was done in second week of April in both the years. Data were collected from randomly selected 10 plants of each plot. Data on plant height at harvest, number and length of flower stock/plant, number of nodes and pods/plant, number of seeds/pod, 1000 seed weight and seed yield per hectare were recorded and statistically analyzed. Duncan's Multiple Range Test (DMRT) was used to determine the significant difference between treatments.

Source of Information: Bangladesh Agron. J. 1998,8 (1 & 2): 65-68,ISSN 1013-1922

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The fertilizer dose @ 15, 4 & 2 kg/ha of Mg, Zn and B and 1 t/ha lime plus 15 t/ha cowdung along with a blanket dose of 175 kg N, 125 kg P₂0₅, 140 kg K₂0 and 40 kg S/ha was the best among the treatments in both years. The highest seed yield of 1.8 t/ha in 1997-98 and 1.7 t/ha in 1998-99 with an average of 1.75 t/ha was obtained with this treatment.

Knowledge Management: Journal