Soil Science Chapter 1: Soil as a Natural Body

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What is the main focus of pedology as mentioned in the text?

Studying the process of soil formation and methods of soil survey

What is the source of sedimentary and metamorphic rocks according to the text?

Formation of igneous rocks

What percentage of the soil solid constitutes the parent material formed from the weathering of rocks?

45%

What does edaphology intend to study according to the text?

Soil as a medium of plant growth

According to the text, what will happen if the soil is abused?

The soil will collapse and die, taking humanity with it

In which domain of soil science study are methods of soil survey, mapping, and classification the main focus?

Pedology

Who is known as the 'Father of Soil Science'?

V.V. Dokuchaev

What did the Russian team led by Dokuchaev report in 1870 that marked the beginning of the science of pedology?

Distinct horizontal layers in soils associated with climate, vegetation, and underlying soil material

Who published the 'Great Soil Groups of the World' in German in 1914?

K.D. Glinka

When was the book 'Great Soil Groups of the World' translated from German to English by C.F. Marbut?

1927

What did V.V. Dokuchaev establish soil as, distinguishing it from undifferentiated weathered rocks?

A distinct natural body with a definite genesis and a distinct nature of its own

What is a pedon considered as?

A hypothetical soil body having minimum volume of soil to be observable

What did the Russian team led by Dokuchaev associate distinct horizontal layers in soils with?

Different combinations of climate, vegetation, and underlying soil material

'Soil Taxonomy' is now an acceptable scientific system of what?

Soil classification

'Great Soil Groups of the World' was published by which member of the Russian team?

K.D. Glinka

'Pedological Research in India' made a modest beginning in which century?

'20th century'

The composition of the rocks depends upon the type of minerals present in it. Weathering of the rocks results in to formation of ______ material which constitutes about 45% volume of soil solid.

parent

In edaphology, we intend to study the soil as a medium of plant growth, therefore, all physical, chemical and biological soil properties are of ______.

relevance

The domain of soil science study could be broadly divided into two groups: ______ and edaphology.

pedology

Cooling and crystallization of this magma led to the formation of ______ rocks which is a source of sedimentary and metamorphic rocks.

igneous

However, in ______, main focus is to study about the process of soil formation, rocks and minerals, their weathering, soil forming factors and methods of soil survey, mapping and classification.

pedology

Abuse it and the soil will collapse and die, taking humanity with it.” – Vedas Sanskrit scripture1500 BC 3.1. Introduction The domain of soil science study could be broadly divided into two groups: ______ and edaphology.

pedology

The parent material is the state of soil system at the time zero of soil ______.

formation

Soil formation proceeds further by the combined interaction of soil forming factors and soil forming ______.

processes

Soil forming factors set the stage for the operation of processes of soil formation and have the influence on properties of the ______.

soils

V.V. Dokuchaev, known as ‘Father of Soil Science’, was the first to establish soil as a distinct natural body having a definite genesis and a distinct nature of its ______.

own

Soil is a highly heterogeneous body thus always difficult to be grouped in to different ______.

categories

Various classification systems have been prevalent during past but the ‘Soil Taxonomy’ is now an acceptable scientific system of soil ______.

classification

A brilliant Russian team of soil scientists led by Dokuchaev (1870) reported unique horizontal layers in soils which were associated with different combinations of climate, vegetation and underlying soil ______.

material

The Russian studies began as early as 1870, they were known to only few scientists outside Russia until 1914, when “Great Soil Groups of the World” was published in German by K.D. Glinka, a member of the Russian ______.

team

Pedological research in India had made a modest beginning in the later part of 20th century which was mainly focused on ______.

soil

His work did not receive due attention of the West European and American workers until the book of Russian scholar – Glinka (Great Soil Groups of the World) was translated from German to English by C.F. Marbut in the year ______.

1927

Test your knowledge of soil science with this quiz covering the concepts of soil as a natural body, pedological and edaphological ideas, soil genesis, soil forming rocks and minerals, weathering processes, and factors of soil formation.

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