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Improving Nutrition and Productivity Through Boron Fertilization Under Fieldpea- Mungbean-t. Aus-t. Aman Rice Cropping System (2017--2018)

S. AKTAR
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

M. A. HOSSAIN
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

B. ANWAR
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

H. M. NASER
Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

Abstract/ Executive Summary:

An experiment was carried out at Bangladesh Agricultural Research Institute, (BARI), Gazipur farm under of Grey Terrace Soil (AEZ-28) during the year 2017-18 to find out the rate of boron for the Fieldpea-Mungbean- T. aus -T. aman rice cropping system and to improving nutrition and maintain soil fertility as well as nutrient balance in soil for sustainable crop productivity. Three treatments viz. T₁, application of B_=0.0 T_{2 =}application of B @ 1 kg ha^-1, T_{3 =}application of B @ 2 kg ha^-1, ^-1 were used in the experiment. Application of B @ 1 kg ha^-1treatment gave the highest seed yield of fieldpea 2130 kg ha^-1, the lowest seed yield was recorded in B control plot 1592 kg ha^-1. Like seed yield the higher stover yield was recorded where B was applied @ 1 kg ha^-1and lowest B control plot.

Keywords: Cropping systems, Fertilizer, Agro-ecological zones, Cropping patterns.

Location: Bangladesh Agricultural Research Institute, (BARI), Gazipur

Start Date: 00-00-2017

End Date: 00-00-2018

Program Area: Farming System

Commodity: Cropping System

Objectives:

It is important to develop a cropping systems-based fertilizer dose for specific agro-ecological zones. Therefore, the requirement of boron should be tested to quantify their doses in the 4 crop-based cropping patterns.

Methodology:

The experiment was conducted at Bangladesh Agricultural Research Institute, (BARI), Gazipur farm (24.0 N latitude, 90.25 E longitude and 8.4 m elevation) soil belongs to the Chhiata series of Grey Terrace Soil (AEZ-28) during the year 2017-18. The objective of the experiment was to find out the rate of boron for the Fieldpea-Mungbean- T. aus -T. aman rice cropping system and to improving nutrition and maintain soil fertility as well as nutrient balance in soil for sustainable crop productivity for Fieldpea- Mungbean-T. aus-T. aman rice cropping system as well as nutrient balance in soil for sustainable crop productivity. Three treatments viz.T₁, application of B_=0.0 T_{2 =}application of B @ 1 kg ha^-1, T_{3 =}applications of B @ 2 kg ha^-1, were used in the experiment. The experiment was laid out in a RCB design with 3 replications. BARI Motor-3 was used as the experimental materials for fieldpea. The unit plot size was 3m x 4m. Boron was applied to fieldpea and its residual effect was evaluated on the following crops. Boron was applied as boric acid in the respective treatments plot during -final land preparation. A blanket dose of fertilizer @ 20-20-40-10-2 kg ha^-1 of NPKS and Zinc was applied as basal. The sources of nutrients were urea, TSP, MoP, gypsum and Zinc sulphate. The initial soil sample at the depth of 0-15cm from the experimental fields was collected and analyzed following standard methods in the laboratory (Table 3.20). Seeds of fieldpea were sown on 16 November 2017 at Gazipur. Fieldpea seeds were sown at the rate of 100 kg ha^-1. Weeding and other intercultural operations were done as and where necessary. Fieldpea was harvested 27 February 2018, Gazipur. For all stages, the standard crop management practices were followed to maintain the higher productivity of the pattern. Data on yield and yield contributing character were recorded 10 randomly selected plants in each plot. Grain/seed and straw/stover yield was recorded from the whole plot. Collected data were analyzed statistically using MSTAT-C computer software.

Source of Information: Annual Research Report 2017-2018, Pulses Research Centre, RARS, BARI, Ishurdi, Pabna

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The yield of fieldpea (cv. BARI Motor 3) increased markedly due to B application. The highest seed yield was obtained from the plots receiving 1 kg B ha^-1 and the lowest from the B control. Again the seed of fieldpea differs significantly between three B levels that are 0, 1 and 2 kg ha^-1 at Joydebpur. However, treatments differed significantly from other treatments. The 1 kg B ha^-1 treatment produced the highest seed yield 2130 kg ha^-1 at Joydebpur, showing a 33% yield increase over control. Like seed yield there was a significant and positive effect of added B on the stover yield of fieldpea and the lowest stover yield was recorded in B control plot. The maximum stover yield was obtained from the plot receiving 1 kg B ha^-1. The yield contributing characters viz seeds pod^-1and pods plant^-1 of fieldpea was significantly influenced by B application. The highest seeds pod^-1and pods plant^-1 of fieldpea were 6.30 and 16.40 respectively, and lowest by B control plot 4.89 and 10.60 respectively. The highest plant height and 100 seed weight were recorded where B was applied @ 1 kg ha^-1 but this treatment was not significantly different from other treatments. The lowest pods plant^-1, plant height and 100 seed weight were attained by B control treatment. Boron had a positive response on the seed yield of fieldpea. The highest seed yield 2130 kg ha^-1 with the application of 1 kg B ha^-1 was produced.

Knowledge Management: Report/Proceedings