{ "item_title" : "Soil Organic Matter", "item_author" : [" F. R. Magdoff", "M. A. Tabatabai", "E. A. Hanlon "], "item_description" : "Soil organic matter has long been known for its central role in many functions in the soil. They range from controlling nutrient availability to modifying the global carbon budget. In recent and more varieties of organic materials, including municipal sewage sludge, industrial organic wastes, as well as crop residues and animal manures, are returned to the soil organic matter is not always clearly understood. Efforts in optimizing crop production, minimizing environmental pollution, and enhancing soil quality all require a better understanding of the nature of soil organic matter for its proper management. In spite of its importance, there has been a lack of concerted effort in developing appropriate analytical methods for proper characterization and quantification of soil organic matter. As nutrient management and pesticide application recommendations become more precise, demand for more accurate determination of soil organic matter also is increasing. This publication is a timely response to this increasing demand. It provides a state-of-the-art review on the current methods and calls attention to the need for developing specific and improved tests for characterizing soil organic matter undoubtedly, soil organic matter will continue to provide a challenging field for future research.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/0/89/118/941/0891189416_b.jpg", "price_data" : { "retail_price" : "24.00", "online_price" : "24.00", "our_price" : "24.00", "club_price" : "24.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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