9780260416643 - The Fertilizer Value of Activated Sludge: Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in ... of Illinois, 191... (3 resultados)

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Paperback. Condición: New. Print on Demand. This book delves into the fertilizing properties of activated sludge, stemming from the growing demand for alternative nitrogen sources as chemical fertilizers become scarce. The book begins by examining sewage sludge as a fertilizer, discussing its historical usage and the reasons behind its declining popularity. The author then analyzes the chemical composition of activated sludge, focusing on its high nitrogen content and the availability of this nitrogen to plants. The book explores the results of pot culture and garden experiments, demonstrating the effectiveness of activated sludge as a fertilizer and comparing its performance to other organic nitrogen sources like dried blood and sodium nitrate. These experiments reveal that activated sludge yields superior results, with plants showing increased growth and production. The book also investigates the potential toxic effects of excessive sludge applications and explores the impact of repeated sludge usage on soil fertility. Finally, the significance of the book's findings lies in its potential to contribute to the development of sustainable agricultural practices by utilizing the valuable nutrients found in activated sludge, thus reducing reliance on synthetic fertilizers and promoting environmental conservation. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.