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Development of Fertilizer Recommendation for Four Crop Based Cropping Pattern: Mustard-mungbean-jute-t. Aman (2019-2020)

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

N. Salahin
Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

N. U. Mahmud
Soil Science Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

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

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

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

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

Abstract/ Executive Summary:

A field experiment on Mustard-Mungbean-Jute-T.Aman cropping pattern was conducted at Jashore (AEZ-11) and Jamalpur (AEZ-9) during 2018-2019 and 2019-2020 with the objectives to find out suitable fertilizer combination for sustainable yield of the pattern, monitoring soil health as affected by chemical fertilizers and to make a balanced sheet of each nutrient. There were eight different treatments viz. T₁: 100% NPKSZnB (STB), T₂: T₁+ 25% N, T₃: T₁+ 25% NP, T₄: T₁+ 25% NK, T₅: T₁+ 25% PK, T₆: T₁+ 25% NPK, T₇: 75% of T₁, T₈: Native fertility. The experiment was laid out in RCB design with three replications. Data revealed that the grain yield of Mustard (BARI Sarisa-14), Mungbean (BARI Mung-6), Jute (O-9897) and T. Aman (BRRI dhan57) were significantly influenced by the fertilizer treatments. The highest yield was obtained from the T₆ treatment where 25% additional NPK was added over the 100 % STB rate in both locations

Keywords: Judicious fertilizer, Fertilizer recommendation, Mustard, Mungbean, Jute, T.Aman, Cropping pattern, Sustainable yield, AEZ

Location: RARS Jashore, Bangladesh

Start Date: 00-11-2018

End Date: 00-00-2020

Program Area: Farming System

Commodity: Fertilizer, Cropping pattern, Soil fertility

Objectives:

To find out judicious fertilizer recommendation for Mustard-Mungbean-Jute-T.Aman cropping pattern for sustainable yield.

Methodology:

Field experiments were conducted at the RARS Jashore (AEZ-11) and Jamalpur (AEZ-9) during the year of 2018-2019 and 2019-2020. The initial soil samples, collected before establishing the experiment from a depth of 0-15 cm was analyzed in the laboratory following standard methods. Initial values of some important soil chemical parameters of the experimental soil are presented.

Experiments were laid out in a randomized complete block design with three replications. Eight different treatments viz. T₁: 100% NPKSZnB (STB), T₂: T₁+ 25% N, T₃: T₁+ 25% NP, T₄: T₁+ 25% NK, T₅: T₁+ 25% PK, T₆: T₁+ 25% NPK, T₇: 75% of T₁,T₈: Native fertility were selected for different plots randomly. The unit plot size was 4.2m x 3.0m. Mustard crop (cv. BARI Sarisha-14) was used as test crop forthe first component of the pattern. Mustard seeds were sown in line with 30 cm row to row on November 09, 2018 at Jashore and November 05, 2018 at Jamalpur.

Fertilizer N-P-K-S-Zn-B were supplied from urea, TSP, MoP, gypsum, zinc sulphate and boric acid, respectively. All PKSZnB and ¹/₃of N were applied at the time of final land preparation. The remaining two third of N were applied as top dress at 25 and 45 days after sowing. Three irrigations and other intercultural operations were done as and when required.

The mustard was harvested on January 24, 2019 at Jashore and January 20, 2019 at Jamalpur. Data on yield and yield contributing characters were recorded and statistically analyzed. Statistics-10 was used to determine the significant differences between the treatments.

After mustard, mungbean was sown in the plots on January 27, 2019 at Jashore and January 24, 2019 at Jamalpur. After mungbean, jute was sown in the plots on April 02, 2019 at Jashore and March 29, 2019 at Jamalpur. For T. Aman rice, the variety BRRI dhan57 was used in experiment. Transplanting was done on 09 August 2019 at Jashore and 04 August 2019 at Jamalpur with a row to row spacing of 20 cm and plant to plant spacing of 15 cm.

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:

The field experiment on four crop based cropping pattern has been conducted to find out a suitable fertilizer combination for higher and sustainable yield of the pattern. Data obtained so far indicated that additional 25% of NPK fertilizer with 100% soil test biased dose is needed to maximize the yield of Mustard, Mungbean, Jute and T. Aman. However, to compute a comprehensive fertilizer recommendation for the whole pattern the results of the 3 years of the pattern should be observed.

Knowledge Management: Report/Proceedings