Flashcards in Lecture 3- Crop Rotation Deck (24)
Why are rotations important?
So that soil stays fertile and healthy
What are their purpose?
Spread out work load of machinery and labour
Interrupt weeds, pest and disease cycles
Aids cash flow
Improves soil structure
What are break crops?
Secondary crop grown to interrupt the repeated sowing of cereal crops
What crops fall under the POACEAE plant family?
Cereal crops and herbage grasses
What crop falls under the FABACEAE plant family?
What crop falls under the SOLANACEAE plant family?
What does continuous cropping of cereals lead to?
Take-all, eyespot and nematodes
What does continuous cropping of root crops lead to?
What are examples of pulse crops?
Peas and beans
What are pulse crops functions?
How does it do that?
Natural restoration of nitrogen
Via bacteria fixation in root nodules
What three types of crops should not be grown 5years consecutively in the same field?
What are restorative crops?
How do they do this?
What are examples of this?
Crops that restore and maintain fertility in soils
Allow return of organic matter and nutrients to the soil
Grass leys, kale
How many hectares in the uk are used for arable land?
How many hectares in the uk are used for grasslands?
11.5 million hectares
What is a break crop?
A different species of crop to the main crop
What's an example of break crop?
Why are break crops important even for just a year.
Decreases susceptibility of diseases within the soil
What do rotations not deter?
Diseases spread by airborne spores and pests which spread to field to field
What disease is hindered by rotations?
What pests are hindered by rotations?
What disease does rotating winter and spring crops deter?
What does a successful crop rotation do?
Maintains economic efficiency
AVoids nutrient leaching
Ensure pesticides hit their targets
What is Harper Adams crop rotation?