Sentence examples for problem in soil from inspiring English sources

Numerical model validation is analyzed by solving a three-dimensional unsaturated flow problem in soil, and its derived results are verified against analytical solutions.

Scales of model application are discussed, illustrating the range of space and time that models are applied across and the different problems that are associated with overcoming the scaling problem in soil erosion prediction.

Van Genuchten and Alves [28] have provided a substantial compendium of analytic solutions to a wide range of problems in soil science.

There are two ways of addressing such low P availability problems in acidic soils: soil liming for pH neutralization and application to P fertilizer.

In brief, sedge mats dyeing and weaving jobs in Mekong Delta rural area in Vietnam have been causing heavy environmental problem in air, soil, and water environment.

Fig. 4 Solid waste from sedge mats production In brief, sedge mats dyeing and weaving jobs in Mekong Delta rural area in Vietnam have been causing heavy environmental problem in air, soil, and water environment.

One approach to mitigate this problem in digital soil mapping is the combination of fuzzy logic-based class assignment with a raster GIS representation model which allows the continuous spatial variation of soils to be expressed at much greater detail than has been achieved in conventional (analog) soil survey.

The biggest problem in his soil-free paradise, as in any enclosed ecological system, is bugs.

It is also a problem in acid soils in humid climates where B content is low because of high leaching losses [ 13].

Or, as the English agronomist Sir Albert Howard put it in 1945 in "The Soil and Health" (a founding text of organic agriculture), we would do well to regard "the whole problem of health in soil, plant, animal and man as one great subject".

Presently, wind erosion occasionally induces problems in light soil areas of the intensively cultivated Scania.