搜索结果: 46-60 共查到“土壤学 Soil”相关记录572条 . 查询时间(0.421 秒)
Rice University scientists are cleaning soil contaminated by oil spills in a way that saves energy and reclaims the soil’s fertility.They use a process known as pyrolysis, which involves heating ...
Evaluation of Different Soil Water Potential by Field Capacity Threshold in Combination with a Triggered Irrigation Module
field water capacity dual-porosity model HYDRUS-1D
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2015/7/30
Irrigation efficiency improvement requires optimization of its parameters like irrigation scheduling, threshold and
amount of water usage. If these parameters are not satisfactorily optimized, negat...
SOIL CARBON STOCKS UNDER PASTURES IN THE BRAZILIAN CERRADO REGION THEIR ASSESSMENT BY ORBITAL REMOTE SENSING
Climate Agriculture Soil Estimation Landsat Spectral
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2015/7/29
The article 3.4 of the Kyoto Protocol acknowledges agriculture soils as a potential sink for soil organic carbon (SOC). To estimate
current and potential SOC on a broad scale for these potential sin...
USE OF HIGH RESOLUTION REMOTE SENSING DATA FOR GENERATING SITESPECIFIC SOIL MANGEMENT PLAN
Precision farming Soil parameters IKONOS data Principal Components Within-field Variability
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2015/7/29
This present study explores the use high-resolution multi-spectral remote sensing data for generating within-field soil variability map
as an inputs required for site-specific management of agricult...
Water Stability of Soil Aggregates in Different Systems of Tillage
conventional tillage shallow disking soil structure
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2015/7/28
The influence of various agrotechnical measures on macrostructural changes in topsoil and subsoil was studied
in the course of a four-year experiment. Macrostructure was evaluated according to the a...
Rapid Percolation of Water through Soil Macropores Affects Reading and Calibration of Large Encapsulated TDR Sensors
gap preferential flow rain sensor installation
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2015/7/28
The electromagnetic soil water content sensors are invaluable tools because of their selective sensitivity to water,
versatility, ease of automation and large resolution. A common drawback of most t...
Using Basalt Flour and Brown Algae to Improve Biological Properties of Soil Contaminated with Cadmium
cadmium fertilizing substances microorganisms
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2015/7/28
In order to achieve homeostasis of soil, the potential of alleviating substances (two innovative: basalt flour and
brown algae extract against two classic compounds: barley straw and compost) were a...
Effects of Soil Cover and Protective Measures on Reducing Runoff and Soil Loss under Artificial Rainfall
bamboo fence eco-bags mine protective measures
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2015/7/28
The hazards from wind, sand, and soil erosion caused by human activities, such as residue slopes in abandoned
urban mines, have resulted in a vicious circle of environmental degradation. Selecting t...
Identifying the Origin of Soil Water Repellency at Regional Level Using Multiple Soil Characteristics: The White Carpathians and Myjavska Pahorkatina Upland Case Study
land-use molarity of an ethanol droplet (MED) soil organic carbon
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2015/7/28
This paper evaluates the relationship between water repellency and multiple characteristics of topsoil samples
belonging to seven Reference Soil Groups, taken from the area of the White Carpathians ...
Employment characteristics of tine cultivators at deeper soil loosening
clod size cultivation depth deeper cultivation
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2015/7/2
The work quality of selected tine cultivators that are suitable equally for deeper soil cultivation has been evaluated. The
following implements were tested in a stubble field: Köckerling Vario...
A tale of two (soil) cities（图）
two (soil) cities
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2015/7/13
As we walk along a forest path, the soil beneath our feet seems like a uniform substance. However, it is an intricate network of soil particles, pores, minerals, soil microbes, and more. It is awash i...
Considering the soil compaction status on logging areas in a Hyrcanian forest
cutting area slope timber harvesting tree volume
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2015/5/18
This paper deals with the issue of soil compaction during timber harvesting operations on cutting areas.
Soil compaction was assessed following the logging operation in Darabkola forest area by meas...
Eff ects of aff orestation on soil structure formation in two climatic regions of the Czech Republic
water-stable aggregates (WSA) mean weighted diameter
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2015/5/18
The aim of this study was to determine the effect of agricultural land afforestation on soil characteristics.
Two sites in two regions of the Czech Republic were evaluated, at lower as well as highe...
VALIDATION OF SMOS L2 AND L3 SOIL MOISTURE PRODUCTS OVER THE DUERO BASIN AT DIFFERENT SPATIAL SCALES
Soil moisture SMOS Validation
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2015/5/7
An increasing number of permanent soil moisture measurement networks are nowadays providing the means for validating new remotely sensed soil moisture estimates such as those provided by the ESA’s S...
FOREST COVER CHANGE AND SOIL EROSION IN TOLEDO’S RIO GRANDE WATERSHED
Maya Land Use Change
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2015/5/6
Toledo, the southernmost district, is the hub of Belize’s Mayan population, descendants of the ancient Mayan civilization. The Toledo District is primarily inhibited by Kekchi and Mopan Mayans whose...