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Cultivation of Rice (oryza Sativa L.) with Industrial Effluents

K. K. Mistry
Department of Agriculture, Akbar Ali Khan Technical and Commerce College, Gouripur, Comilla

D.D. Chatterjee
World Vision, Bangladesh

Abstract/ Executive Summary:

Application of industrial effluents in agriculture is necessary for their effective use and environment safety as well. So a pot experiment was conducted at Agricultural farm in ‘Angel-Bangladesh” Konabari, Gazipur with industrial effluents on growth and yield attributes of BR14 and BR16rice varieties. Higher biomass (g/plant) 0.042 and 0.042 were in variety BR14 and BR16 respectively with textile followed by control observed. Uptake of NPK 3.64, 0.143, 2.16 and 3.20, 0.175, 1.60 in variety BR14 and BR16 respectively. In variety BR16 was positive responded with textile effluent on plant height (83.38 cm) and variety BR14 was sensitive to effluents to plant height. The highest leaf area (3250.62 cm2) was recorded with dry cleaning treatment in variety BR14. The maximum productive tiller 31.50 and 41.75 were found in variety BR14 and BR16 respectively with detergent treatment. The highest filled grain (1798.75, 1701.00) per hill was produced with textile, dry cleaning effluent in varieties BR14 and BR16 respectively. Decreasing trend was found to unfilled grains per plant in both varieties. Biomass (85.83g, 76.05g) weight per hill showed the best with detergent. The maximum grain yield (64.30g, 51.50g) was produced by textile and dry cleaning followed by control in varieties BR14 and BR16 respectively. The highest harvest index (HI) 45 was recorded with textile effluent in variety BR16. Based one result it was concluded that textile and dry cleaning effluents are potential effluents to be applied in rice cultivation.

Keywords: Cultivation, Rice, Industrial effluents

Location: Agricultural farm in ‘Angel-Bangladesh”, Organization of Japan, Konabari, Gazipur

Start Date: 00-03-2003

End Date: 00-06-2003

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

1. To evaluate of industrial effluents on growth and yield attributes characters of rice.

Methodology:

A pot experiment was conducted at Agricultural farm in ‘Angel-Bangladesh”, Organization of Japan, Konabari, Gazipur during early kharif season (March-June/2003). Effluents like pharmaceutical, detergent, textile and dry cleaning treatment were selected in the different pots which were collected from Industrial area of Gazipur. Physioco-chemical properties of those industrials effluents were recorded pink, grayish, brick, blushish, and colorless (tap water i.e. control) and PH 7.4, 9.1, 6.5, 7.7, 7.0 were measured with corresponding treatments respectively. On the other hand, densities (g/cm3) of those industrials effluents 0.996, 0.996, 0.994, 0.996 and 0.974 were determined regards to different treatments respectively. Soil was prepared with mixed decomposed cowdung. Each pot was filled with 2 kg of soil. Basal dose of potassium (K₂O) and phosphorus (P₂O₅) were applied @ 40 kg and 60 kg/ha respectively in soil. Variety BR14 (Gazi) and BR16 (Shahi Balam) were used as the test crop for the experiment those seeds were collected from the BRRI (Bangladesh Rice Research Institute) under physiology division at Gazipur. Both varieties were grown during Boro and Aus period. Seeds of two varieties were germinated in a seed germinator and 15 days of seedlings were transplanted into pots. Urea was applied in each pot at tiller initiation stage @ 60 kg/ha. The experiment was laid out in a completely randomized design (CRD) with three replications. Pots filled up with soil were fully saturated with different industrial effluents. Soil saturated with tap water considered as control. Soil of each pot was puddle thoroughly. After soil setting, two seedlings were transplanted to each pot. Intercultural operation, irrigation and weeding were done as necessary. Twenty days after transplanting, the seedlings located at the periphery of the pot were uprooted and brought to laboratory to measure the biomass production. Total N, P, K contents in leaf of 20 days old seedlings after transplanting with effluents were analyzed and N, P, K were determined by modified Microkjeldahl Method, using atomic absorption spectrophotometer Method and assay Method respectively. The data were recorded regards to germination percentage, root length, shoot length, seedling dry weight and NPK. Leaf Area Index (LAI) was taken at 10 days interval starting from 35 days to 85 days after transplanting. As well plant height (cm), leaves number per hill, leaf area per plant (cm2/plant), grain yield (g/hill), productive tillers number, filled grains per hill, unfilled grains per hill, biomass weight per hill (g), grain yield (g), and harvest index (HI) were recorded from the tagging plants. The recorded data were statistically analyzed to find out the significance of variation. The differences among the treatment means were compared by DMRT at 1 % level of probability.

Source of Information: BANGLADESH RESEARCH PUBLICATIONS JOURNAL; ISSN: 1998-2003 Volume: 2, Issue: 1, Page: 273 - 280, January- February, 2009

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Higher biomass (g/plant) 0.042 and 0.042 were in variety BR14 and BR16 respectively with textile followed by control observed. Uptake of NPK 3.64, 0.143, 2.16 and 3.20, 0.175, 1.60 in variety BR14 and BR16 respectively. In variety BR16 was positive responded with textile effluent on plant height (83.38 cm) and variety BR14 was sensitive to effluents to plant height. The highest leaf area (3250.62 cm²) was recorded with dry cleaning treatment in variety BR14. The maximum productive tiller 31.50 and 41.75 were found in variety BR14 and BR16 respectively with detergent treatment. The highest filled grain (1798.75, 1701.00) per hill was produced with textile, dry cleaning effluent in varieties BR14 and BR16 respectively. Decreasing trend was found to unfilled grains per plant in both varieties. Biomass (85.83g, 76.05g) weight per hill showed the best with detergent. The maximum grain yield (64.30g, 51.50g) was produced by textile and dry cleaning followed by control in varieties BR14 and BR16 respectively. The highest harvest index (HI) 45 was recorded with textile effluent in variety BR16. Based one result it was concluded that textile and dry cleaning effluents are potential effluents to be applied in rice cultivation.

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