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International Journal of Soil Science
Year: 2010  |  Volume: 5  |  Issue: 2  |  Page No.: 73 - 81

Use of Uprooted Parthenium Before Flowering as Compost: A Way to Reduce its Hazards Worldwide

Prem Kishor, B.R. Maurya and A.K. Ghosh    

Abstract: Parthenium can be utilized to nourish the crops after composting. The present investigation was aimed to assess the combined effect of N through Parthenium Compost (PCN) and urea (U) along with Azotobacter chroococcum on growth and yield of Triticum aestivum L. Salient chemical characteristics of Parthenium Compost (PC) such as total nutrient content (N, P, K and S) and biological characteristics such as total number of bacteria, fungi, azotobacter and Phosphate Solubilizing Bacteria (PSB) were 3.66x106, 9.67x 104, 2.33x106, 7.67x105 and 2.67x106, respectively. Total N, P, K and S in Parthenium compost were 1.58, 0.33, 1.64 and 0.29%, respectively and total micronutrients such as Fe, Mn, Zn and Cu were recorded 7829, 304, 116 and 66 ppm, respectively. Results revealed that 100% N through Parthenium compost is detrimental to wheat. Judicious use of 50% N through each of Parthenium compost and urea along with Azotobacter chroococcum was found to be beneficial for better growth and higher yields of wheat. Increasing temperature of compost pit could not destroy 100% viability of Parthenium seeds. Embryo dormancy exists in seeds of Parthenium hysterophorus that break down by heat shock. Application of bloomed Parthenium compost generated new plants of Parthenium in wheat. This suggests that composting of uprooted Parthenium before flowering may reduce its spreading as well as menace of human health hazards worldwide.

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