Soil-moisture Measurement
Author | : Howard William Lull |
Publisher | : |
Total Pages | : 70 |
Release | : 1955 |
Genre | : Soil moisture |
ISBN | : |
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Author | : Howard William Lull |
Publisher | : |
Total Pages | : 70 |
Release | : 1955 |
Genre | : Soil moisture |
ISBN | : |
Author | : Cornelius H. M. van Bavel |
Publisher | : Forgotten Books |
Total Pages | : 44 |
Release | : 2018-09-15 |
Genre | : Technology & Engineering |
ISBN | : 9781390250008 |
Excerpt from Soil Moisture Measurement With the Neutron Method Millicurie A quantity unit of radioactive material equivalent to 3. 7 x 107 disintegrations per second. Milliroentgen A unit of ionizing radiative energy; one thousandth of a roentgen. 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.
Author | : Southern Forest Experiment Station |
Publisher | : Forgotten Books |
Total Pages | : 58 |
Release | : 2017-10-27 |
Genre | : Technology & Engineering |
ISBN | : 9780265827970 |
Excerpt from Soil-Moisture Measurement With the Fiberglas Instrument Each of these units Operates on the principle that resistance to the passage of an electrical current through the unit will depend on its moisture content. Buried in the soil, the porous material of the unit wets and dries along with the soil around it, and the changes in moisture content affect the electrical conductivity of the unit. Wires lead from the unit to the surface of the ground, where the resistance of the unit is read with a meter. To convert resistance readings to soil moisture values requires calibration of the units in the soil being studied. 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.
Author | : Cornelius H. M. van Bavel |
Publisher | : Forgotten Books |
Total Pages | : 38 |
Release | : 2017-10-29 |
Genre | : Technology & Engineering |
ISBN | : 9780266921158 |
Excerpt from Measurement of Soil Moisture Content by the Neutron Method Half life Time required to reduce the quantity of a radio isotope to one half of the original amount. Input sensitivity Smallest signal which will be registered by a system. 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.
Author | : United States Department Of Agriculture |
Publisher | : Forgotten Books |
Total Pages | : 56 |
Release | : 2017-10-28 |
Genre | : Technology & Engineering |
ISBN | : 9780266899747 |
Excerpt from Some Field, Laboratory, and Office Procedures for Soil-Moisture Measurement: July 1954 One of the important phases of the soil-moisture studies Of the Vicksburg Infiltration Project has been the determination of bulk density. Defined as the ratio of the weight Of oven-dry soil to the volume it occupied in the field, bulk density is expressed in grams per cubic centi meter. Its use is principally for converting moisture content from percent by weight to depth or area-inches. 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.
Author | : David F. Olson Jr |
Publisher | : Forgotten Books |
Total Pages | : 38 |
Release | : 2017-10-27 |
Genre | : |
ISBN | : 9780266840732 |
Excerpt from Methods of Soil Moisture Determination Under Field Conditions The determination of soil moisture under field conditions is of vital importance to the agronomist, forester, hydrologist, and engineer. Those dealing in the plant sciences are primarily interested in the amount of water that is available to plants under various environmental conditions; the hydrologist and engineer are also concerned with soil moisture existing in the range above the field capacity and below the permanent wilting percentage. Continuous soil moisture measurement is necessary for full understanding of the nature of soil moisture move ment, but limited studies of soil moisture are often needed as well. 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.
Author | : United States Department Of Agriculture |
Publisher | : Forgotten Books |
Total Pages | : 50 |
Release | : 2018-09-20 |
Genre | : Technology & Engineering |
ISBN | : 9780366759354 |
Excerpt from Handbook on Measurement of Soil Moisture by the Neutron Scattering Method: A Compilation of Available Information for Use Within U. S. Forest Service Sampling destroys the site, injures vegetation, and inter feres with natural soil moisture dynamics. 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.
Author | : William J. Walkotten |
Publisher | : Forgotten Books |
Total Pages | : 20 |
Release | : 2017-10-27 |
Genre | : Technology & Engineering |
ISBN | : 9781528226622 |
Excerpt from A Recording Soil Moisture Tensiometer The simple - design recorder can be built with readily available materials in a shop equipped with wood and metal working equipment by anyone familiar with these tools. It is composed of four basic sys tems: (l) the porous cup and re lated tubing; (2) the manometer, scale, and mercury storage cup; (3) the float-and-lever system and pen; and (4) the chart drum and drive. These systems are mounted on a plywood and plastic base. The porous cup (fig. 2) is placed in the soil at the desired depth, and the transfer of water through the cup changes the water volume in the manometer system. Two small nylon tubes extend to the soil surface and connect the porous cup to a flushing tube and the recorder. The connecting tubing is cut to lengths suitable to the particular installation. The flushing tube is used primarily to fill the porous cup and balance the manometer system. The recorder tube is sealed to the top of the glass manometer at the recorder. 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.
Author | : Lyman J. Briggs |
Publisher | : Forgotten Books |
Total Pages | : 102 |
Release | : 2017-10-28 |
Genre | : |
ISBN | : 9780266859659 |
Excerpt from The Mechanics of Soil Moisture It is intended in this bulletin to present the application of certain dynamical principles to the problems attending the movement and retention of soil moisture. Among these problems may be mentioned the capacity of a soil for water, the adjustment of water between a dry and a wet soil, the relation of texture, structure, and temperature to the water capacity, and the effect of fertilizers upon the water content of a soil. 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.
Author | : Richard S. Sartz |
Publisher | : Forgotten Books |
Total Pages | : 28 |
Release | : 2018-09-11 |
Genre | : Technology & Engineering |
ISBN | : 9781390397932 |
Excerpt from Field of Calibration of a Neutron-Scattering Soil Moisture Meter Deviations of the corrected values from the gravimetric values in the upper foot for the respective depth intervals ranged from to inch; from to inch; and from to inch. 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.