Cwis Nadolig 4 Regen Hort

Who coined the term 'Soil Food Web'?

• Elaine Thompson-Herah

• Eileen Dover

• Elaine Ingham

• Billie Eilish

Answer explanation

Billie Eilish has collaborated with many artists but as yet she has not collaborated with Elaine Ingham who coined the phrase Soil Food Web!

What is the botanical name for this plant?

• Monstera deliciosa

• Rumex obtusifolia

• Geranium robertianum

• Ranunculus acris

Answer explanation

Ranunculus acris AKA Meadow Buttercup

At what temperature can compost spontaneously combust?

• 100^o Centigrade

• 86.6^o Fahrenheit

• 82.2^o Centigrade

• 273^o Kelvin

Answer explanation

Any pictures or video footage of compost spontaneously combusting captured by any student will endear that student to the current Horticulture Tutor :-)

p.s. the college will not be held accountable for any injuries sustained during these extra curricula activities.

Is this a picture of Siswrn Tocio?

• Yes

• No

What is responsible for creating microaggregates in the soil?

• Clay

• Bacteria

• Organic matter

• Fungi

• Water

Answer explanation

Aerobic bacteria produce alkaline glues to hold themselves in place, thus avoiding being washed away, and this is what creates the microaggregates.

What is the Egyptian cubit?

• Original Rubix Cube

• 3-4-5 triangle (for measuring right angles)

• Unit of measurement (length of forearm)

• Tool for measuring straight lines

Answer explanation

The cubit was a standardised measurement and several cubit rods (rulers) have been discovered.

What gas is released in high quantities when the soil is tilled?

• C

• Co

• .COM

• CO2

Answer explanation

After tillage bacterial blooms decompose organic matter releasing large quantities of CO₂

Other gasses such as methane (CH₄) and nitrous oxide (NO₂) are also released in smaller quantities but they are far more potent greenhouse gasses than CO₂

What hormone is responsible for instigating root growth in stem cuttings?

• Ethene

• Dopamine

• Auxin

• Cytokinin

Answer explanation

The potato is NOT a growing medium, and it does not contain auxin!!!

Which of these are aspects of Regenerative Horticulture?

• Soil ecology

• No-till techniques

• Bio-dynamic preparations

• Holistic grazing management

Quality compost can be identified by . . . .

• brown colour the same as 70% chocolate

• the smell of rancid butter

• micro and macro aggregates

• micro plastics