The most important factor that determines the rate of agriculture development in a country is the

A. readiness of farmers to adopt viable agricultural research results

B. quantity of herbicides used in the country

C. number of machinery available in the country

D. provision of raw materials for industries

E. number of people involved in agriculture

The newly introduced government agricultural programme in Nigeria is

A. operation feed the nation

B. green revolution

C. agricultural development projects

D. agricultural insurance scheme

E. farm settlement

A characteristic feature of subsistence agriculture is

A. supply of labour by farm families

B. wholesale of farm harvest

C. purchasing of seeds for planting

D. dieases control

Which of the following will retain the greatest amount of water?

A. clay

B. loam

C. sandy loam

D. sand

E. silt

The most common soil mineral found in all crystalline rocks and a main constituent of granite and sandstone is

A. biotite

B. quartz

C. mica

D. granite

E. basalt

The factors affecting formation of soil include the following except

A. organisms

B. time

C. topography

D. catena

E. climate

Inhibition of root and bark development, fruiting and seed formation in crops is due to the deficiency of

A. phosphorus

B. boron

C. nitrogen

D. chlorine

E. molybdenum

Which of the following is not an effect of grazing on the soil?

A. enrichment of soil with animal dung

B. exposure of soil to erosion

C. destruction of soil structure

D. increase in soil acidity

E. reduced rate of water percolation

In underground drainage

A. ditches are constructed to remove excess water

B. furrows in which water collects are made

C. water seeps into the tiles to reach an outlet where water is disposed

D. water is pumped through perforated pipes to crops

E. ditches are dug from a source of water to the farmland

Which of the following is not an edaphic factor affecting agricultural production?

A. soil PH

B. soil texture

C. predators

D. soil structure

E. soil type