Effect of grey water on soil properties and Tomato crop
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Date
2019
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Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur
Abstract
A field experiment was started on “Effect of grey water on soil properties and Tomato crop” during Rabi season of 2017 in calcareous soil at RPCAU, Pusa Farm in R.B.D. design with 7 treatment and 3 replications and tomato was taken as test crop. Sowing date of Tomato crop was 18th December and first harvesting was done on 4th April and harvesting continues up to 7 times at 4 days of interval .The data were recorded and subjected to statistical analysis as per design and salient results obtained are summarized below :
Surface soil samples (0-15) were analyzed for physical and chemical properties, viz., bulk density, texture, porosity, pH, EC, organic carbon (OC), available nitrogen, phosphorous, potassium, sulphur, boron and micronutrient elements (zinc, iron ,copper, manganese ) and heavy metals in soil . Grey water application significantly enhances the soil properties like bulk density, pH, organic carbon, nitrogen, phosphorous, potassium, boron, micronutrients element (zinc, iron, copper, manganese) and heavy metals like ( Pb and Cr) in soil . The concentration of nutrient like N, P, K and b was recorded highest viz. 389.0 kg ha-1, 182.9 kg ha-1 176.7 kg ha-1 and 0.46 mg kg-1 respectively in 100% grey water treated soil. All chemical parameters and nutrient contents were found higher in grey water than ground water. In general higher nutrient uptake and crop yield was recorded in 50% grey water along with 50% of fresh water application.