Agricultural Machines
A heavy tool with sharp blades pulled by animals or a tractor to dig and turn over soil before planting seeds.
A Plough
Chemical added to soil to supply mineral ions
Fertilizer
Choosing parents with desirable traits to produce offspring.
Selective Breeding
Growing one crop over a large area.
Monoculture
The world's most produced cereal crop.
Maize/Corn
What is better a Plough or a Tractor
A Tractor
Pesticide that kills weeds.
Herbicide
Genetic diversity generally increases or decreases in selective breeding?
Decreases
The main ecological disadvantage of monocultures.
Reduced Biodiversity
Which country has the largest amount of Arable Land
India
Which country owns the most tractors?
United States of America
Process caused by excess nitrate and phosphate runoff.
Eutrophication
Scientist considered the "Father of Genetics."
Gregor Mendel
Crop rotation mainly prevents the depletion of what?
Soil nutrients
Largest Producer of Rice
India
GPS-guided farming is known as ______ agriculture.
Precision
Why is potassium needed for plants?
Plants need potassium because it regulates water, activates enzymes, and helps build strong stems.
Breeding closely related individuals is called.
Inbreeding
Which ecological principle explains why genetically uniform monocultures are more vulnerable to widespread disease outbreaks?
Low genetic diversity
The three cereal crops that provide over half of the world's food energy.
Rice, Wheat, and Maize
What is the most common type of fertilizer used?
NPK fertilizer: Nitrate, Phosphate, and Potassium Fertilizer
The dominant form of nitrogen absorbed by most crop plants.
Nitrate ions, NO₃⁻
Reduction in fitness caused by breeding genetically similar individuals.
Inbreeding depression
The Irish Potato Famine was primarily caused by which pathogen?
Phytophthora infestans
Which crop has the highest global production by mass each year?
Sugarcane