Nitrogen fixation is accomplished by:_________? April 20, 2025 by admin A. Fungi B. Bacteria from atmosphere C. Plants D. None of these
Which one of the following clay mineral has the highest CEC? April 20, 2025 by admin A. Kaolinite B. Montmorillonite C. Vermiculite D. Illite
“Soil” word derive from which language? April 20, 2025 by admin A. English B. Greek C. Latin D. None of the above
Fossils are found in__________type of rocks: April 20, 2025 by admin A. Sedimentary rocks B. Metamorphic rocks C. Aqueous rocks D. both A & C
In tomato, Boron deficiency leads to:__________? April 20, 2025 by admin A. Silvering B. Piffiness C. Cracking D. All of the above
Soil erosion is __________ of soil from one place ti another place by natural agencies (wind & water): April 20, 2025 by admin A. Detachement of soil B. Transportation C. both A & B D. None of these
Fe, Zn, Mn, Mo, Co, Ni, Cu, are also called __________: April 20, 2025 by admin A. Micro elements B. Trace elements C. Both A & B D. None of these
Ca, Mg, S are called__________? April 20, 2025 by admin A. Primary nutrients B. Minor nutrients C. Excellent nutrients D. None of these
In Balochistan, deserts also exists in _________, which supoorts wind erosion excluding rocky mountains: April 20, 2025 by admin A. Desert of Kharan B. Noshki C. Both A & B D. Qilla SaifUllah
Small rivulets or finger like channels formed on the surface of earth by action of water, these channels are of small depth & can be leveled by tillage operations is: April 20, 2025 by admin A. Gully erosion B. Sheet erosio. C. Stream bank erosion D. None of these
