The available soil is being polluted quickly by _____________ wastes.

A. Industrial
B. Agricultural
C. Household
D. All of the above

Submitted by: Shafiq Rehman

Related Mcqs:

Any material such as straw, sawdust, leaves, plastic films, & loose soil that is spread upon the surface of the soil to protect the soil & plant roots from the effects of raindrops, soil crusting, freezing or evaporation:
A. Mull
B. Mulch
C. Mycorrhizae
D. Muck
Submitted by: Shafiq Rehman
Soil additive which stabilizes the soil, improves resistance to erosion, increases to permeability to air & water, improves texture, eases cultivation or otherwise improves soil quality:
A. Soil amendment
B. Soil conditioner
C. Both a & b
D. None of the above
Submitted by: Shafiq Rehman
The solid wastes generated in Pakistan are about: ___________?
A. 47,920 tonnes/day
B. 65, 772 tonnes/day
C. 12250 tonnes/day
D. All of the above
Submitted by: Shafiq-ur-Rehman
The lower leaves turn yellow and in some crops they quickly start drying up as if suffering from shortage of water, stunted growth, leaves & fruits shedding & whole plant becomes yellow, are deficiency symptoms of:_________?
A. Potash
B. Nitrogen
C. Calcium
D. Both a & c
Submitted by: Shafiq Rehman
Organic P content in soil, by ignition method is estimated by igniting the soil at ____________________?
A. 250ºC
B. 1000ºC
C. 550ºC
D. 1250ºC
Being a soil scientist, do you know which is the popular book of soil science of Nyle.C.brady, 14th edition available in markets:
A. Fundamentals of soil
B. Essenttials of soil sciences
C. The nature and properties of soil
D. The mechanics of soil
Submitted by: Shafiq Rehman
The soil samples are dried at _______________, for gravimetric soil analysis?
A. 110 ⁰C
B. 120 ⁰C
C. both A and B
D. 105 ⁰C
Submitted by: Shafiq Rehman
The availability of essential nutrients from soil to the plants is controlled by the ________ properties of soil:
A. Physical
B. chemical
C. Biological
D. both A & B
Submitted by: Shafiq Rehman
__________________ systems play a crucial role in increasing soil organic C storage and reducing net emissions of greenhouse gases in addition to soil erosion control:
A. Engineering
B. Agroforestry
C. Cultivating
D. All of the above
Submitted by: Shafiq Rehman
Any tillage and planting system that maintains at least 30% of the soil surface covered by residue after planting for the purpose of reducing soil erosion by water:
A. Deep Tillage
B. Conservation Tillage
C. Both a & b
D. None of these
Submitted by: Shafiq Rehman