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Articles by A.K. Ghosh
Total Records ( 3 ) for A.K. Ghosh
  Prem Kishor , A.K. Ghosh and Dileep Kumar
  Fly Ash (FA)-a coal combustion residue of thermal power plants has been regarded as a problematic solid waste all over the world. Disposal of high amount of fly-ash from thermal power plants absorbs huge amount of water, energy and land area by ash ponds. Therefore, fly-ash management would remain a great concern of the century. However, several studies proposed that FA can be used as a soil ameliorate that may improve physical, chemical and biological properties of the degraded soils and is a source of readily available plant micro-and macro-nutrients. Practical value of FA in agriculture as an eco-friendly and economic fertilizer or soil amendments can be established after repeated field experiments for each type of soil to confirm its quality and safety. Fly-ash has great potentiality in agriculture due to its efficacy in modification of soil health and crop performance. The high concentration of elements (K, Na, Zn, Ca, Mg and Fe) in fly-ash increases the yield of many agricultural crops. But the use of fly-ash in agriculture is limited compare to other sector. An exhaustive review of numerous studies of last four decades took place in this study, which systematically covers the importance, scope and apprehension regarding utilization of fly-ash in agriculture. This study also identified some areas, like soil fertility and its response on cereal oil seed and vegetable crops. Agricultural lime application contributes to global warming as Intergovernmental Panel on Climate Change (IPCC) assumes that all the carbon in agricultural lime is finally released as CO2 to the atmosphere. It is expected that use of fly-ash instead of lime in agriculture can reduce net CO2 emission and also reduce global warming.
  Prem Kishor , A.K. Ghosh , Surendra Singh and B.R. Maurya
  Parthenium hysterophorus L., being a declared invasive weed is threatening the biodiversity and human health in several areas of India. Several researchers have documented the allelopathic effect of this weed. Therefore, Parthenium management would remain a great concern of the century. However, several studies proposed that Parthenium can be used as a Green manure, compost, biocontrol, soil ameliorate that may improve physical, chemical and biological properties of the soils and is a source of readily available plant micro- and macro-nutrients. Numerous studies revealed that the integrated use of Parthenium in soil modifies the physico-chemical, biological and nutritional quality of the soil. Parthenium has great potentiality in agriculture due to its efficacy in modification of soil health and crop performance. The high concentration of elements (N, P, K, Fe, Mn, Cu and Zn) in composted Parthenium increases the yield of many agricultural crops. An exhaustive review of numerous studies of last two decades took place in this study, which systematically covers the importance, scope and apprehension regarding utilization of Parthenium in agriculture. Parthenium hysterophorus can be used as a bioherbicide. Appreciable quantity of nutrients in Parthenium can be utilized to nourish the crops after composting and a lot of green Parthenium can be destroyed. This suggests that composting of uprooted Parthenium, or use as a green manure and Parthenium extract may reduce its spreading and inhibit the weed growth as well as menace of human health hazards worldwide.
  Prem Kishor , B.R. Maurya and A.K. Ghosh
  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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