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Validation of Biofertilizer on Different Legume Crops (2017-2018)

M. A. H. Bhuiyan
Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh.

K. U. Ahammad
Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

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

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

Z. A. Mahmud
Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh.

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

M. E. Ali
Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

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

Abstract/ Executive Summary:

Field experiments on biofertilizer were carried out at Multi-Location Testing site, Tularampur, Narail on lentil during rabi 2017-2018; Farming System Research & Development (FSRD) site, Hatgobindapur, Faridpur on lentil and groundnut during rabi 2017-2018, at Multi-Location Trial (MLT) site in Gangni, Meherpur on lentil and at MLT site in Chuadanga on chickpea during rabi 2017-2018; Farming System Research & Development (FSRD) site, Pushpapara, Pabna on lentil with the objectives i) to evaluate the response of lentil, chickpea and groundnut to biofertilizer under farmers’ field condition, and ii) to motivate uses of biofertilizer instead of N-fertilizer for pulse cultivation. The experiment was laidout in RCBD with 4/6 dispersed replications. Unit plot size was 15 m ´ 10 m. Three fertilizer treatments viz. T₁: 22-42-20-5 kg P-K-S-Zn ha^-1, T₂: 22-42-20-5 kg P-K-S-Zn ha^-1 + Rhizobium Inoculum and T₃: 50-22-42-20-5 kg N-P-K-S-Zn ha^-1was studied. BARI Masur-6/7 of lentil, BARI Chola-5 of chickpea, BARI Chinabadam-6 of groundnut and peat-based rhizobial inoculum (strain BARI RLc-102 for lentil, strain BARI RCa-202 for chickpea, strain BARI RAh-801 for groundnut @ 1.5 kg ha^-1 were used in demonstration trial. The experimental result revealed that the application of biofertilizer along with PKSZn produced higher seed yield and yield attributes of lentil at Narail, lentil at Faridpur, lentil and chickpea at Chuadanga and Meherpur, and lentil at Pabna. It is evident from the experiment that the application of biofertilizer instead of applying nitrogenous fertilizer can achieve a higher yield of lentils at farmers’ fields in Narail, Faridpur, Meherpur, Pabna, and chickpea at farmers’ field in Chuadanga. Higher BCR was noted in T₂ treatment where Rhizobium plus chemical fertilizers (PKSZn) were used.

Keywords: Pulse crops, Biofertilizer, N-fertilizer, Lentil, Soil

Location: Tularampur, Narail; Farming System Research & Development (FSRD) site, Hatgobindapur, Faridpur; Gangni, Meherpur; Chuadanga; Farming System Research & Development (FSRD) site, Pushpapara, Pabna, Bangladesh

Start Date: 00-12-2017

End Date: 00-00-2018

Program Area: Crop-Soil-Water Management

Commodity: Bio fertilizer, Pulses

Objectives:

i) to evaluate the response of some pulse crops to biofertilizer under farmers’ field condition, and

ii) to reduce the uses of N-fertilizer for lentil cultivation.

Methodology:

The experiment was laid out in randomized complete block design having six replications with three treatments. The unit plot size was 15 m × 10 m. The variety BARI Masur-6/7 of lentil, BARI Chola-5 of chickpea, BARI Chinabadam-8 of groundnut and peat-based rhizobial inoculum (strain BARI RLc-102 for lentil, strain BARI RCa-202 for chickpea, strain BARI RAh-801 for groundnut @ 1.5 kg ha^-1 were used in demonstration trial. There were three treatments viz. T₁: 22-42-20-5 kg P-K-S-Zn ha^-1, T₂: 22-42-20-5 kg P-K-S-Zn ha^-1 + Inoculum, T₃: 50-22-42-20-5 kg N-P-K-S-Zn ha^-1 was studied. The above peat-based rhizobial inoculum was used @ 1.5 kg ha^-1 containing about 10⁸ cells g^-1 inoculum. Chemical fertilizers i.e. P, K, S and Zn were applied in all treatments as basal dose @ 22 kg P ha^-1 from TSP, 42 kg K ha^-1 from MP, 20 kg S ha^-1 from gypsum and 5 kg Zn ha^-1 from zinc sulphate for lentil, chickpea. In T₃ treatment, 50-22-42-20-5 kg N-P-K-S-Zn ha^-1 for lentil and chickpea, and 100-22-42-40-5 kg N-P-K-S-Zn ha^-1 for groundnut were used. Lentil was sown on 18-24 November 2017 at Narail, 22-25 November 2017 at Faridpur, 25 November 2017 at Meherpur, 30 November 2017 at Pabna. Chickpea was sown on 30 November 2017 at Chuadanga, groundnut was sown on December 2017 at Faridpur. The rhizobial population of Rhizobium inoculant was about 10⁸ cells g^-1 of inoculant. The initial soil data is presented.

During the course of the experiment, the growth and development of plants in the field were carefully observed. Lentil was harvested on 07-15 March 2018 at Narail, 11-13 March 2018 at Faridpur, 09 March 2018 at Meherpur, 10 March 2018 at Pabna, chickpea was harvested on 03-04 April 2018 at Chuadanga. All the data were analyzed statistically.

Source of Information: Annual Research Report 2017-2018, Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Results of rhizobial inoculum and chemical fertilizers on dry matter production, and yield and other parameters have been presented. The result of biofertilizer in lentil production seems to be promising in AEZ # 12. Similar results were observed in the previous year. Based on the study, it is found that seed yield was increased by applying Rhizobium inoculant. It has a positive impact on yield. The application of NPKSZn fertilizer showed better performance compared to Rhizobium inoculant. This trial needs further verification at farmers’ fields with a more viable biofertilizer.

Knowledge Management: Report/Proceedings