Unit 3 Topic 3 - Crop Protection

Question 1

what is a monoculture?

Answer 1

when only one species of crop is grown in a large area of land

Question 2

what are downsides of a monoculture?

Answer 2

they provide optimal conditions for weeds, pests and disease-causing microbes to thrive

Question 3

what resources do plants growing in a similar area compete for?

Answer 3

Light
Water
Soil nutrients
Space

Question 4

how can competition in a monoculture be reduced?

Answer 4

by evenly spacing the plants

Question 5

what is an annual weed?

Answer 5

weeds that only live for a year, they grow quickly, have short lifecycles and produce a high number of seeds that remain dormant but viable for long periods

Question 6

what is a perreneal weed?

Answer 6

plants that come back year after year, they are already established on the land, have storage organs for food and can reproduce vegetatively

Question 7

what is an invertabrate pest?

Answer 7

Nematode worms, Molluscs, Insect