17/01/2007 John Adams, Thomas Jefferson, Saint Phocas, Darwin, and Virgil parade through this thought-provoking work, taking their place next to the dung beetle, the compost heap, dowsing, historical farming, and the microscopic biota that till the soil. Whether William Bryant Logan is traversing the far...
1/01/1966 The purpose of this booklet is to introduce the student to the soil as an environment for life, and then to describe the organisms inhabiting it as well as their characteristic activities. 60 pages, illustrated, photos The Institute of Biology's Studies in Biology no. 2
1/01/1962 This book discusses comprehensively the principles and methods of soil management and all related aspects of agricultural practice. 609 pages, illustrated
1/01/2009 Building Soils for Better Crops is a one-of-a-kind, practical guide to ecological soil management, now expanded and in full color. It provides step-by-step information on soil-improving practices as well as in-depth background from what soil is to the importance of organic matter. Case studies of...
1/01/1977 This book includes chapters on; Soil as a substratum for plant production Biochemistry of soil organic matter in relation to soil productivity Importance of soil organic matter to soil fertility Organic materials as fertiizers in crop production Economics of using organic materials as fertilizers...
1/08/1954 It is the purpose of this handbook to bring together and summarize information that will be useful, particularly to professional agricultural workers, for the diagnosis and improvement of saline and alkali soils. It is a practical guide for those who are confronted with soil, plant, and water...
22/11/1976 This book contains articles written under two main categories - overview of soil mineral stress-worldwide and genetic potentials for solving problems of soil mineral stress. 420 pages, illustrated