搜索结果: 16-30 共查到“知识库 土壤学 Soil”相关记录472条 . 查询时间(0.134 秒)
Research on the effect of straw mulching on the soil moisture by field experiment in the piedmont plain of the Taihang Mountains
Straw mulching Soil moisture Soil water content Deep layer Soil moisture conservation
<
2018/3/23
To reveal the influencing effect of the long-term straw mulching on the soil moisture, this paper employed the field experiment data in 2010 of a typical area of Taihang Mountains plain, observed the ...
Moisture effect on soil humus characteristics in a laboratory incubation experiment
humic acid humin humus composition
<
2016/2/22
A 180-day laboratory incubation experiment (30°C) was conducted to investigate the quantitative and qualitative
characteristics of humic fractions in a Mollisol at different moisture conditions. The ...
Efficacy and Selectivity of Pre-emergent Sunflower Herbicides under Different Soil Moisture Conditions
weed control phytotoxicity abiotic factors irrigation sunflower
<
2015/10/9
We ranked the most frequently used pre-emergent herbicides in sunflower (Helianthus annuus) according to their efficacy and selectivity under different soil moisture conditions within 2008–2011. The e...
Indoor - soil gas radon relationshipin the Central Bohemian Plutonic Complex
radon indoor-bedrock relationship granitoids
<
2015/9/10
The relationship of indoor radon measurements and radon in bedrock was studied in the granitoid Central Bohemian
Plutonic Complex (CBPC). The indoor data were linked to vectorised geological and rado...
A theoretical method for estimating the characteristics of radon transportin homogeneous soil
method radon soil convectiv evelocity radon flux density
<
2015/9/10
A theoretical method for estimating the characteristics of radon transport in homogeneous soil is developed. The
method allows the following characteristics to be estimated: depth distribution functi...
THE USE OF SOIL-LANDSCAPE RELATIONSHIPS MODELLING AND GEOTECHNOLOGIES FOR DETAILING THE SOIL MAP OF DISTRITO FEDERAL IN BRAZIL
Soil Survey Soil Landscape Model Soil Geomorphology GIS Soil Genesis Soil Mapping Soil Classification
<
2015/8/31
The population growth in the Distrito Federal has lead to indiscriminate occupation and use of its lands. To evaluate the current
conditions of the environment, the maps of the region’s natural reso...
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
<
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
<
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
<
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
<
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
<
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
<
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
<
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
<
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
<
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...