Open Access. Powered by Scholars. Published by Universities.®
Physical Sciences and Mathematics Commons™
Open Access. Powered by Scholars. Published by Universities.®
- Publication
Articles 1 - 3 of 3
Full-Text Articles in Physical Sciences and Mathematics
Alleviation Of Nickel-Induced Stress In Mungbean Through Application Of Gibberellic Acid, Muhammad A. Ali, Hafiz N. Asghar, Muhammad Y. Khan, Muhammad Saleem, Muhammad Naveed, Nabeel Khan Niazi
Alleviation Of Nickel-Induced Stress In Mungbean Through Application Of Gibberellic Acid, Muhammad A. Ali, Hafiz N. Asghar, Muhammad Y. Khan, Muhammad Saleem, Muhammad Naveed, Nabeel Khan Niazi
Dr Nabeel Khan Niazi
Nickel (Ni) is the most eco-toxic and harmful metal for soil biological activity, plant metabolism and health of animals and human beings. Elevated level of Ni in plants causes many nutritional and physiological disorders as well as perturbs in normal balance of phytohormones. Exogenous application of phytohormones can regulate plant growth and reduce inhibitory effect of toxic metals on plants. Therefore present study was conducted to assess the effect of Ni contamination on growth and yield of mungbean and role of gibberellic acid (GA3) to counteract negative effects of Ni contamination. Mungbean seeds were sown in potted soil contaminated with …
Chapter Two: Chromium Contamination And Its Risk Assessment In Complex Environmental Settings, Girish Choppala, Nanthi Bolan, Jin Hee Park
Chapter Two: Chromium Contamination And Its Risk Assessment In Complex Environmental Settings, Girish Choppala, Nanthi Bolan, Jin Hee Park
Dr Girish Choppala
Chromium reaches the soil environment through waste disposal emanating from a number of industrial activities, including coal-fired power production, electroplating, leather tanning, timber treatment, pulp production, and mineral ore and petroleum refining. Of the heavy metals, chromium (Cr) is a major pollutant, poses a great threat to flora and fauna and persists for long time. The most abundant species of Cr—Cr(III) and Cr(VI)—have very different properties. The toxicity, mobility, and bioavailability of Cr mainly depend on its speciation. In the natural environment, Cr(III) is most immobile, less soluble and stable, whereas Cr(VI) is highly mobile, soluble and bioavailable. Redox reactions …
Phytocapping: An Alternative Technology For The Sustainable Management Of Landfill Sites, Dane Lamb, Kartik Venkatraman, Nanthi Bolan, Nanjappa Ashwath, Girish Choppala, Ravi Naidu
Phytocapping: An Alternative Technology For The Sustainable Management Of Landfill Sites, Dane Lamb, Kartik Venkatraman, Nanthi Bolan, Nanjappa Ashwath, Girish Choppala, Ravi Naidu
Dr Girish Choppala
Landfill remains the predominant means of waste disposal throughout the globe. Numerous landfills exist in developed and underdeveloped countries, engineered with contrasting degrees of effectiveness. Modern landfill closure in developed countries involves the conventional capping of waste with materials such as compacted clay or geosynthetic clay liners, typically overlain with other soil materials. Conventional capping technologies are now accepted to be increasingly ineffective in reducing percolation into waste. Cost-effective alternative systems are of increasing interest, including the use of plants to control and limit water entry into waste, otherwise known as “Phytocapping”. Phytocapping reduces percolation through three main mechanisms: (a) …