Soil Science

Soil Science
Which bacteria causes fermentation _______?
Bacillus
Azotobacter
Pseudomonas
Corey
Author: rikazzz Comment
Soil Science
Process of mixing soil by fauna and flora is called _______?
Leaching
Pedoturbation
Lessivage
Enrichment
Author: rikazzz Comment
Soil Science
The earth core is made of the following metals _______?
Fe and Ni
Cu and Ni
Mg and Ni
None of these
Author: rikazzz Comment
Soil Science
hydrosphere refers to _______?
Zone of water
Zone of atmosphere
Zone of air
Zone of earth crust
Author: rikazzz Comment
Soil Science
Rocks formed from molten magma are called _______?
Alluvial rocks
Igneous rocks
Sedimentary rocks
All the above
Author: rikazzz Comment
Soil Science
Which compound is mostly used in Pakistan for the reclamation of saline-sodic and sodic soils _______?
Calcite
Apatite
Dolomite
Gypsum
Author: rikazzz Comment
Soil Science
The conductivity of a saturation extract is greater 4 dsm-1 an exchangeable sodium percentage (ESP) of less than 15 and the pH is usually less than 8.5 is called as _______?
Saline soils
Sodic soils
Saline-sodic soils
Neutral soils
Author: rikazzz Comment
Soil Science
Which soil is suitable for nce _______?
Fine textured
Sandy
Coarse textured
None of these
Author: rikazzz Comment
Soil Science
Who gave the defination of humic acid ?
Neir
Felbeek
Gapon
Liekig
Author: rikazzz Comment
Soil Science
The available form of calcium to plant is _______?
Ca(free cation
Ca
CaO
None of these
Author: rikazzz Comment

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