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Effect of Integrated Nutrient Management on the Yield and Nutrient Uptake of Foxtail Millet (2019-2020)

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

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

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

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

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

Abstract/ Executive Summary:

A field experiment was conducted at Central Research Farm, BARI, Gazipur and Regional Agricultural Research Station (RARS), Jamalpur during Rabi season of 2019-20 to evaluate the effect of integrated nutrient management for better yield of foxtail millet; and to increase soil fertility and sustain crop productivity. Six treatment combinations viz. T₁= Soil test based fertilizer dose for HYG, T₂= IPNS with 5 t ha^-1cowdung, T₃= IPNS with 5 t ha^-1 compost, T₄= IPNS with 1.5 t ha^-1vermicompost, T₅= IPNS with 3.0 t ha^-1poultry manure and T₆= Absolute controlwere tested. The experiment was laid out in a randomized complete block design with 3 replications and BARI Kaon-2 was used as the test crop. The IPNS treatment combinations are significantly different from rest of the treatments in terms of yield and economic return. Application of treatment IPNS with 1.5 t ha^-1 vermicompost significantly increased all of the parameters such as the plant height, number of tillers plant^-1, panicle length, 1000 grain weight, grain yield and straw yield. The significantly highest grain yield (2.38 t ha^-1 and 2.26 t ha^-1 at Gazipur and Jamalpur, respectively) was recorded in IPNS with 1.5 t ha^-1vermicompost treated plot (T₄) while the lowest grain yield (1.23 and 1.19 t ha^-1 at Gazipur and Jamalpur, respectively) was observed in absolute control treatment (T₆).The uptake of nutrients by foxtail millet was highest in the treatment T₄ receiving IPNS with 1.5 t ha^-1vermicompost which was followed by T₅(IPNS with 3.0 t ha^-1poultry manure) in both the locations. The highest gross return (132010 Tk. ha^-1and126060 Tk. ha^-1at Gazipur and Jamalpur, respectively ), net return (73700 Tk. ha^-1and 68545 Tk. ha^-1 at Gazipur and Jamalpur, respectively) as well as BCR (2.26 and 2.19 at Gazipur and Jamalpur, respectively) were obtained from T₄ treatment (IPNS with 1.5 t ha^-1vermicompost) whereas the lowest gross return (70400 Tk. ha^-1and 68020 Tk. ha^-1 at Gazipur and Jamalpur, respectively), net return (27300 Tk. ha^-1and 25720 Tk. ha^-1 at Gazipur and Jamalpur, respectively) and BCR (1.63 and 1.60 at Gazipur and Jamalpur, respectively) were obtained from absolute control (T₆) treatment. The overall results indicated that IPNS with 1.5 t ha^-1vermicompost is more effective than other fertilizer management packages in respect of yield as well as economic return for foxtail millet cultivation at Gazipur and Jamalpur.

Keywords: Integrated nutrient management, Better yield, Foxtail millet, Soil fertility, Sustain crop productivity

Location: Central Research Farm, BARI, Gazipur and Regional Agricultural Research Station, Jamalpur, Bangladesh

Start Date: 00-00-2019

End Date: 00-00-2020

Program Area: Crop-Soil-Water Management

Commodity: Foxtail millet, Nutrient solution, Fertilizer

Objectives:

To evaluate the effect of integrated nutrient management for better yield of foxtail millet; and to increase soil fertility and sustain crop productivity.

Methodology:

A field experiment was conducted at Central Research Farm, BARI, Gazipur (AEZ-28) and Regional Agricultural Research Station, Jamalpur (AEZ-9) during Rabiseason of 2019-20 to evaluate the effect of integrated nutrient management for better yield of foxtail millet. Before conducting the experiment, initial composite soil samples (0-15 cm) were collected from the experimental plots and collected samples were analyzed in the laboratory following standard methods. The chemical compositions of vermicompost, compost, decomposed cowdung and poultry manure used in the experimental field were also analyzed. The experiment was laid out in a RCB design with three (3) replications. The unit plot size was 4 m × 3 m and BARI Kaon-2 was used as the test crop. Treatments were randomly distributed within the blocks as follows: T₁= Soil test based fertilizer dose for HYG (62.2-15.3-31.2-7.2-0.4 kg ha^-1 of N-P-K-S-Zn at Gazipur and 68.8-16.6-34.3-7.9-0.4 kg ha^-1 of N-P-K-S-Zn at Jamalpur), T₂= IPNS with 5 t ha^-1cowdung, T₃= IPNS with 5 t ha^-1 compost, T₄= IPNS with 1.5 t ha^-1vermicompost, T₅= IPNS with 3.0 t ha^-1poultry manure and T₆= Absolute control. The seeds were sown @ 8 kg ha^-1 in line with the spacing of 25 cm x 8 cm on 08 December and 09 December, 2019 at Gazipur and Jamalpur, respectively. All of organic manure, phosphorous, potassium, sulphur, zinc & half of nitrogen were applied as basal during final land preparation. Remaining nitrogen was applied as top dress in two equal splits at 30 DAS and 60 DAS after irrigation. Different intercultural operations and plant protection measures were taken as and when necessary to raise healthy crops. The crop was harvested on 09 April and 07 April, 2020 at Gazipur and Jamalpur, respectively. Data were collected on an individual plant basis from ten (10) randomly selected plants of each plot in such a way that the border effect was avoided for high precision. Data on yield and yield contributing parameters were recorded and statistically analyzed with the help of statistical package statistix 10 (Analytical Software. Tallahassee, Fla, USA) and mean separation was tested by Duncan’s Multiple Range Test (DMRT) (Steel and Torrie, 1960).

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

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Based on the results, it may be concluded that IPNS with 1.5 t ha^-1vermicompost is superior to the other fertilizer management packages in respect of yield as well as economic return for cultivation of foxtail millet in the Gazipur (AEZ-28) and Jamalpur (AEZ-9) districts of Bangladesh. The uptake of nutrients by foxtail millets was also highest in the treatment T₄ receiving IPNS with 1.5 t ha^-1vermicompost in both the locations. Further investigation will be required for the confirmation of the findings.

Knowledge Management: Report/Proceedings