Comparison Of Various Chemical Quick Tests On Different Soils

A brief review is given of the development of rapid chemical tests for the evaluation of the state of fertility of soils and their probable response to fertilizer applications.

Excerpt from Comparison of Various Chemical Quick Tests on Different Soils Comparable tests were made upon a group of widely diversified soils with several of the widely used commercial soil-testing sets. The soils used were virgin samples of Barnes silt loam, Carrington silt loam, Clinton silt loam, m1am1 silt loam, Cecil clay loam, Ruston loamy sand, and Caribou loam. The tests, made independently by two operators, were for available phosphorus and potassium and for acidity, lime requirement, and nitrates. The sets used were the Simplex, Emerson, lamotte, Sudbury, and Hellige, and the test sets made by the Urbana Laboratories and that made and used by the Indiana Agricultural Experiment Station. Some of the laboratory tests not used commercially were included. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

A brief review is given of the development of rapid chemical tests for the evaluation of the state of fertility of soils and their probable response to fertilizer applications.

A thorough presentation of analytical methods for characterizing soil chemical properties and processes, Methods, Part 3 includes chapters on Fourier transform infrared, Raman, electron spin resonance, x-ray photoelectron, and x-ray absorption fine structure spectroscopies, and more.

This open access book highlights concepts discussed at two international conferences that brought together world-renowned scientists to advance the science of potassium (K) recommendations for crops. There was general agreement that the potassium recommendations currently in general use are oversimplified, outdated, and jeopardize soil, plant, and human health. Accordingly, this book puts forward a significantly expanded K cycle that more accurately depicts K inputs, losses and transformations in soils. This new cycle serves as both the conceptual basis for the scientific discussions in this book and a framework upon which to build future improvements. Previously used approaches are critically reviewed and assessed, not only for their relevance to future enhancements, but also for their use as metrics of sustainability. An initial effort is made to link K nutrition in crops and K nutrition in humans. The book offers an invaluable asset for graduate students, educators, industry scientists, data scientists, and advanced agronomists.

An international journal of agriculture and natural resource sciences.