نتایج جستجو برای: soil survey

تعداد نتایج: 549114  

2007
Waleed Roy Samira Asem

Contamination of the environment in Kuwait occurred in 1990-1991 during the Iraqi invasion and due to explosion of more than 700 oil wells. Oil contamination caused serious damage to the environment. This study was conducted to estimate the extent and volume of contaminated soil by using remote sensing, GIS application and field survey.. A map of the area was developed by GIS showing four types...

2002
Renata Chmelová Bořivoj Šarapatka

According to a UN Environment Programme survey, topsoil is eroding faster than it forms on about one third of the world’s cropland, causing an estimated 85 % of the world s land degradation from human activities. Erosion of soil, mainly by water, is also a problem in the Czech Republic where 54 % of arable land is endangered by water erosion. The topic of this article is to describe contemporar...

2005
X. Z. Shi

Soil classification systems are not consistent among countries or organizations thereby hindering the communication and organizational functions they are intended to promote. The development of translations between systems will be critical for overcoming the gap in understanding that has resulted from the lack of a single internationally accepted classification system. This paper describes the ...

2004
Weidong Li Chuanrong Zhang Jan Feyen

At present, such research is still very rare in soil science literature. Soils typically exhibit complex spatial variation of multi-categorical For characterizing the spatial correlation of categorivariables such as soil types and soil textural classes. Quantifying and cal variables in geosciences, the main descriptive tools assessing soil spatial variation is necessary for land management and ...

2000
M. F. HAWKE M. B. O ’ CONNOR T. J. M. JOHNSTON J. E. WALLER B. ADDISON

The requirement for ‘cobalt (Co) of ruminants grazing pastures on the pumice soils of the Central Plateau was established in the late 1930s and Co topdressing to increase the Co intake of animals became commonplace from the mid-1950s. An on-farm survey in 1978-79 indicated that Co inputs could be halved because of adequate reserves of soil Co accumulated since the 1950s. However, the economic d...

Journal: :Microbiology Resource Announcements 2020

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