Soil
What is soil?
A mix of organic material, minerals and organisms.
What is photosynthesis?
What animal do we have approximately 8 million of in NZ?
Cows
What is the largest form of farming in Canterbury?
Dairy
What are the three key nutrients needed in soil?
Nitrogen, phosphorus, potassium.
What is a tiller?
A shoot of grass where the leaves grow from.
What is the point of grazing rotation?
Allows for animals to have enough feed and minimises soil compaction.
What percentage of habitable land in the world is used for farming?
50%
What nutrient is provided by adding shells or crushed bone to soil?
Calcium
Give two reasons why fruit orchards often use netting as a form of shelter.
Pest control and frost protection.
Why is agriculture the largest producer of methane?
How much money was earned in 2023 from exporting NZ wool?
$4 million NZD
How did Māori increase drainage in soil?
Adding gravel and sand into the soil.
Which nutrients are important for photosynthesis?
Nitrogen, potassium and phosphorus.
What does MOET stand for?
Multiple ovulation embryo transfer.
How much does the average ewe weigh?
55-65 kg
What are the two key issues with over-irrigation of soil?
The risk of nutrient leaching and soil compaction.
Why are helicopters used during winter mornings on vineyards?
To push warm air down over the vines and prevent frost forming.
What are the two key hormones involved in the female reproductive process?
Progesterone and oestrogen.
How many wineries exist in Marlborough?
168