British Wildlife is the leading natural history magazine in the UK, providing essential reading for both enthusiast and professional naturalists and wildlife conservationists. Published eight times a year, British Wildlife bridges the gap between popular writing and scientific literature through a combination of long-form articles, regular columns and reports, book reviews and letters.
Conservation Land Management (CLM) is a quarterly magazine that is widely regarded as essential reading for all who are involved in land management for nature conservation, across the British Isles. CLM includes long-form articles, events listings, publication reviews, new product information and updates, reports of conferences and letters.
Nitrogen fixation by leguminous plant is especially important when farmers are trying to maximize fertilizer use for cost or environmental reasons. This second edition of this book, first published in 1991, contains thoroughly updated and revised material on the theory and practice of nitrogen fixation in tropical cropping systems. The significant research advances in the last ten years on both a fundamental and applied level are covered, including those relating to the classification and description of N2-fixing bacteria and symbioses and the processess of N2-fixation.
Tropical environments - climates, soils and cropping systems; nitrogen fixing organisms in the tropics; nitrogen fixation process and its role in the tropics; tropical crops and cropping systems - cereal crops and grasses, wetland rice, grain legumes, legumes as animal fodder, plantation crops, agroforestry; optimizing contributions from nitrogen fixation - mixed farming systems, environmental constraints, past approaches, realizing potential benefits.