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Comparison of Soil Nutrients Status Between an Agricultural Land Close by Brickfield and a Productive Agricultural Land for Agricultural Activities in Sadar Upazilla, Sherpur, Bangladesh

M.A.W. Sarkar
Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Santosh, Tangail-1902, Bangladesh.

M.H. Kabir
Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Santosh, Tangail-1902, Bangladesh.

S.A. Lira
Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Santosh, Tangail-1902, Bangladesh.

A. Razzaque
Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Santosh, Tangail-1902, Bangladesh.

M.R.H. Sarker
Department of Environmental Science and Resource Management, Mawlana Bhashani Science and Technology University, Santosh, Tangail-1902, Bangladesh.

Abstract/ Executive Summary:

The study was conducted to compare the soil nutrients status between productive agricultural lands and an agricultural land close by brickfields at Bajitkhila union of Sherpur Sadar upazilla in Bangladesh during the period from November 2014 to May 2015. The soil samples were collected from the ten sampling points of each type of studied land areas where the depth of the soil layer was 0-15 cm. The study revealed that the pH, organic matter, total nitrogen, available phosphorus, available sulphur, available zinc, total iron and available boron of productive agricultural lands were ranged from 6.0-6.4, 2.0-2.7%, 0.10-0.18 µg g^-1 soil, 6.30-9.40 µg g^-1 soil, 28.10-37.44 µg g^-1 soil, 1.22-1.86 µg g^-1 soil, 323.2-376.4 µg g^-1 soil and 0.37-0.64 µg g^-1 soil, respectively. The study also showed that the pH, organic matter, total nitrogen, available phosphorus, available sulphur, available zinc, total iron and available boron of agricultural land close by brickfields were ranged from 5.5-5.9, 1.3-1.9%, 0.05-0.09 µg g^-1 soil, 3.20-5.90 µg g^-1 soil, 14.44-25.56 µg g^-1 soil, 0.53-0.93 µg g^-1 soil, 235.23-292.40 µg g^-1 soil and 0.18-0.29 µg g^-1 soil, respectively. The overall study stated that the soil nutrients of productive agricultural lands were within the suitable limit for agricultural production whereas the soil nutrients of agricultural land close by brickfields were not within the suitable limit for agricultural activities. Due to illegal brick field activities the soil nutrient contents of the surrounding areas of brick fields are much lower than the productive agricultural land. Careful measures such as to developed brickfield management system should be adapted to achieve the suitable quality of soil for agricultural activities.

Keywords: Brickfield, Soil nutrient, Agricultural soil

Location: Bajitkhila union in Sherpur Sadar Upazila of Bangladesh.

Start Date: 00-11-2014

End Date: 00-05-2015

Program Area: Crop-Soil-Water Management

Commodity: Soil Health, Soil fertility

Objectives:

The study was conducted to assess the soil properties and nutrient status in productive agricultural lands and agricultural lands adjacent to brickfields area and compare the soil nutrients between of these lands of Bajitkhila union of Sherpur district.

Methodology:

This study was conducted agricultural land close by brickfield (ALB) and another productive agricultural land (PAL) at Bajitkhila union in Sherpur Sadar Upazila of Bangladesh. It is located in between 24°55' and 25°06' north latitudes and in between 89°53' and 90°07' east longitudes. The climate of the study area is characterized by high temperature, high humidity and heavy rainfall with occasional gusty winds during kharif season (February-September) and low rainfall and moderately low temperature in the rabi season (October-January). The area is a part of the old Brahmaputra Floodplain tract, characterized by high, undulated land surface with sandy soil, criss crossed by flood plains and streams (Banglapedia 2015). The total twenty (20) soil samples were collected from the study area, among them ten (10) samples were collected from ALB and the rest of ten (10) samples were collected from PAL. The soil samples were denoted as S1, S2, S3, S4, S5, S6, S7, S8, S9 and S10 which were collected at a minimum distance (approximately 40 meter) of the ALB and PAL site. The soil samples were collected from the depth layer of 0-15 cm. The samples were scraped from the top to bottom with the help of an auger. Each of the samples were mixed thoroughly and kept separately on a brown paper. About 500 g soil was collected from each paper to give a representative sample which placed in a sealed polythene bags and labeled including collection date, location and code number. The collected soil samples were carried to the laboratory of the Soil Resource Development Institute (SRDI), Jamalpur, Bangladesh. The soil samples were then placed in a thin layer on a clean piece of paper on a shelf in the room for air drying. The visible roots, plant fragments and other types of solid wastes were removed from the soil samples. For the preparation of soil samples, soil was passed through the grinder and subsequently, a 2 mm stainless sieve. After that, the soil samples were kept in a clean polythene bag for chemical analysis. In the study, the soil pH was measured by Soil pH meter (Soil pH and Moisture Meter ZD% PM 0909). The organic matter (OM) content was analyzed by wet oxidation method (Walkley and Black, 1934). The iron (Fe) was determined by rapid colorimetric technique (Imam and Didar, 2005). Total nitrogen (N) content of soil was determined by semi-microkjeldahl method. Available soil phosphorus (P) was determined by Olsen’s method. The samples were read with the help of a spectrophometer at 660 nm wave length. The sulphur (S) was analyzed by calcium chloride extraction method (Sattar and Rahman, 1987). Available zinc (Zn) was determined by atomic absorption spectrophotometer (AAS, UNICAM 969) at the wavelengths of 213.9 (Huq and Alam, 2005). The boron (B) was analyzed according to hot-water extraction method by dilute calcium chloride solution (Wolf 1971). The collected data were analyzed by using the software MS Excel.

Source of Information: J. Soil Nature 9(1):8-12 (July 2016)

Article Link (Online Journal): http://ggfjournals.com/e-journals archive

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The study revealed that brick kilns are not only destroying large areas of lands, but also causing the loss of organic matter and nutrients in the soil. In this regard, the study showed that the value of pH, organic matter, total nitrogen, available phosphorus, available sulphur, available zinc, total iron and available boron of agricultural land close by brick field were much lower than the productive agricultural land. The study also depicted that areas adjacent to the brick fields are not suitable for agricultural activities. Therefore, to minimize soil nutrients loss and soil degradation, this study suggested that some appropriate steps should be taken as: brick field should be made near the at the river; farmers should not sold soil from agricultural land for brick manufacturing, and restoring organic matter could be an important remedial measure. However, as a cheaper and readily available source of organic matter, farmyard manure has to be applied in higher quantities so as to offset the negative impact of brick manufacturing adjacent to the agricultural fields.

Knowledge Management: Journal