Results 251 to 260 of about 739,426 (313)
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Updating Conventional Soil Maps through Digital Soil Mapping
Soil Science Society of America Journal, 2011Conventional soil maps, as the major data source for information on the spatial variation of soil, are limited in terms of both the level of spatial detail and the accuracy of soil attributes. These soil maps, however, contain valuable knowledge on soil-environment relationships.
Lin Yang +6 more
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Environmental Engineering and Management Journal, 2009
The recent results of technical development of low cost GPS systems, geographic information systems, equipment and sensors which are needed to identify the state of the crops and soils have shown a growing awareness in agriculture and related sciences. The actual demand for modern crop management is dominated by the economic pressure and by the social ...
Vergil Marian Muraru +4 more
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The recent results of technical development of low cost GPS systems, geographic information systems, equipment and sensors which are needed to identify the state of the crops and soils have shown a growing awareness in agriculture and related sciences. The actual demand for modern crop management is dominated by the economic pressure and by the social ...
Vergil Marian Muraru +4 more
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Soil Science Society of America Journal, 2003
The quality of soil property maps may be improved and spatial sampling intensities reduced by incorporating secondary data to enhance spatial estimates. The purpose of this study was to evaluate how scale of sampling and secondary spatial information (terrain attributes) affected the quality of spatial estimates of soil C.
T. G. Mueller, F. J. Pierce
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The quality of soil property maps may be improved and spatial sampling intensities reduced by incorporating secondary data to enhance spatial estimates. The purpose of this study was to evaluate how scale of sampling and secondary spatial information (terrain attributes) affected the quality of spatial estimates of soil C.
T. G. Mueller, F. J. Pierce
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Mapping Soil Erodibility over India
CATENA, 2023Soil erosion is a major environmental problem worldwide, and almost half of India’s total geographical area is susceptible to it. The Revised Universal Soil Loss Equation (RUSLE) has been widely used globally to estimate soil erosion, and Soil erodibility factor, denoted by K-factor, is an essential component of RUSLE.
Ravi Raj +2 more
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Field Crops Research, 1999
Abstract Soils vary widely in their micronutrient content and in their ability to supply micronutrients in quantities sufficient for optimal crop growth. Soils deficient in their ability to supply micronutrients to crops are alarmingly widespread across the globe, and this problem is aggravated by the fact that many modern cultivars of major crops ...
Jeffrey G White, Robert J Zasoski
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Abstract Soils vary widely in their micronutrient content and in their ability to supply micronutrients in quantities sufficient for optimal crop growth. Soils deficient in their ability to supply micronutrients to crops are alarmingly widespread across the globe, and this problem is aggravated by the fact that many modern cultivars of major crops ...
Jeffrey G White, Robert J Zasoski
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Soil Science Society of America Journal, 2005
The theoretical profitability of variable rate (VR) lime management has driven adoption of intensive soil sampling strategies used with complex statistical techniques without demonstration of approach efficacy. Our objective was to compare the accuracy of spatially continuous pH and lime requirement (LR) maps derived from ...
S. M. Brouder +2 more
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The theoretical profitability of variable rate (VR) lime management has driven adoption of intensive soil sampling strategies used with complex statistical techniques without demonstration of approach efficacy. Our objective was to compare the accuracy of spatially continuous pH and lime requirement (LR) maps derived from ...
S. M. Brouder +2 more
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Mapping soil, losing ground? Politics of soil mapping
2020Kon Kam King and Céline Granjou document the evolution of soil mapping since the 1960s at the French National Institute of Research on Agriculture (INRA). They account for the shift from soil surveying initiatives to the rise of soil digital mapping projects, including monitoring, modeling, and predicting soil quantitative properties, such as carbon ...
Kon Kam King, J. +6 more
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1958
Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows four soil map sections of soil maps that were being prepared by the Experimental Farms Service of the Federal Department of Agriculture in cooperation with the Provincial Departments of Agriculture and the Departments of Soils at Canadian universities in the 1950s ...
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Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows four soil map sections of soil maps that were being prepared by the Experimental Farms Service of the Federal Department of Agriculture in cooperation with the Provincial Departments of Agriculture and the Departments of Soils at Canadian universities in the 1950s ...
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Nature, 1966
Soil Survey A Guide to Field Investigations and Mapping of Soils. Edited By I. V. Tyurin, I. P. Gerasimov, E. N. Ivanova, and V. A. Nosin. Translated from the Russian by N. Kaner. Edited by Mary Singer. Pp. 356. (Jerusalem: Israel Program for Scientific Translations; London: Oldbourne Press, 1965.) 90s.
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Soil Survey A Guide to Field Investigations and Mapping of Soils. Edited By I. V. Tyurin, I. P. Gerasimov, E. N. Ivanova, and V. A. Nosin. Translated from the Russian by N. Kaner. Edited by Mary Singer. Pp. 356. (Jerusalem: Israel Program for Scientific Translations; London: Oldbourne Press, 1965.) 90s.
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