""Manures: Their Respective Merits, From An Economical Point Of View"" is a book written by A.W. Crews in 1880. The book provides a comprehensive guide to different types of manures and their respective merits in terms of economic benefits. It covers the different sources of manure, including animal waste, compost, and chemical fertilizers, and discusses their effectiveness in improving soil fertility and crop yields. The book also provides practical...