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Effect of Boron Fertilization on Lentil in BARIshal Region (2019-2020)

M.R. Islam
Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh.

M. S. Alam
Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted at Regional Agricultural Research Station, Rahmatpur, Barishal during November 2019 to February 2020 to develop micronutrient management practice for lentil in Barishal region of Bangladesh. The crop variety was BARI Masur-8. There were five treatments viz. T₀: 0.0 kg B ha^-1, T₁: 1.0 kg B ha^-1, T₂: 1.5 kg B ha^-1, T₃: 2.0 kg B ha^-1, and T₄:2.5 kg B ha^-1which were replicated for four times. Boron had influence on plant height (cm), number of pod, shoot and root dry weight, no of pod plant^-1, pod yield plant^-1 and stover yield of BARI Masur-8. The highest seed yield of 1.88 t ha^-1 was observed in T₃B_1.5which was statistically identical to all other treatments in Barishal region, (Non–calcareous Grey Floodplain Soils under AEZ 13).

Keywords: BARI Masur-8, Boron, Fertilizer, Soils, Potash, Sulphur, Gypsum, Zinc sulphate

Location: Regional Agricultural Research Station (RARS), Rahmatpur, Barishal, Bangladesh

Start Date: 00-00-2019

End Date: 00-00-2020

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer, Lentil

Objectives:

i. To find out how BARI Masur-8 response to boron fertilizer;

ii. To determine optimum dose of boron for maximizing the yield of BARI Masur-8

Methodology:

The experiment was conducted at the experimental field of Regional Agricultural Research Station (RARS), Rahmatpur, Barishal in the Rabi season, 2019-20 to evaluate the performance of lentil BARI Masur-8 to Boron fertilization. The experiment was laid out in Randomize Complete Block Design with four replications. The unit plot was 6 rows and 3m long with spacing 30cm×10cm. Seeds were sown in the rows on 22 November, 2019. The physical and chemical properties of the initial soil samples from experimental fields at a depth of 0-15 cm were collected and analyzed following standard methods and presented.

N₂₀P₄₀K₂₂S₂₀Zn₅ kg/ha fertilizer were used as basal dose. As source of nutrients: nitrogen, phosphorus and potassium will be applied in the forms of urea, Triple super phosphate and muriate of potash, sulphur as gypsum, zinc as zinc sulphate and boron as the form of boric acid to increase the nutrient use efficiency of the crop. All nutrients (N-P-K-S-B) will be applied as final land preparations and Zn fertilizer used in layout time. Two weeding were done at 25 days and 45 days after sowing. Provax-200 and Babisteen was sprayed 2 times for the management of foot rot. Plants were harvested on 12 March 2020. Data on yield contributing characters were recorded from 10 randomly selected plants from each plot. Data on plant height, 1000-seed weight (g), Stover yield, seed yield, pods plant^-1 and seeds pod^-1 were also taken. All data were analyzed statistically by using software.

Source of Information: Annual Research Report 2019-2020, Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

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Achievement/Findings:

The highest seed yield of 1.88 t ha^-1 was observed in T₃B_1.5which was statistically identical to all other treatments in Barishal region, (Non–calcareous Grey Floodplain Soils under AEZ 13). This is first year result. To conform the actual B fertilizer recommendation for lentil (BARI Masur-8) in this southern region of Barishal, the experiment should done for 2^nd year trail.

Knowledge Management: Report/Proceedings