Good plant growth
Name 3 Natural Factors for Plant Success
Sunlight
Moisture
Soil
What is included in a soil triangle?
clay
sand
silt
Name major nutrients
nitrogen
phosphorus
potassium
What is Ph
measure of soil acidity
How do you prevent pests
inspect for infestation before bringing into greenhouse
Name what is included in Ideal Soil Composition
50% Soilds
50% Pore space
Name pros for bagged soil
Uniform
sterile
lighter
Function of Nitrogen
Growth, Green, Regulates use of tuber nutrient
How do you increase acidity
sulfur
aluminum
sulphate
How do you monitor for pests
Inspect the plants and facilites
Buy sticky cards
What is included in the solids in Ideal Soil
Mineral Particles
Organic Matter
Name cons for bagged soil
Containers blow over
Nutrition is low
Function of Phosphorus
Cell division, forms flowers and seeds, root growth, disease resistance
How to decrease acidity
lime
define chemical controls
pesticides as needed. targeted is best
What is included in the Ideal Soil Pore Space
Water
Air
Give 4 ways to improve soil
drainage, moisture retention, humus, and disease control
Function of Potassium
Roots, Forms, Tubers, uses CO2, forms chllorophyll
What is the best Ph for plants
5.6 - 7
Define biological controls
using living organisms, parasitic insects
Define Gravitational Water
Flows down through the soil, not useable by plants
Name ingredients in soil
Pelrite, sphagnum moss, tree bark, peat moss, vermiculite
N - Yellow, pale green
Ph - Purple
Pot - bronze
What does 7 mean on the ph scale?
it is neither acid or alkaline (basic)
define cultural practices and give examples
related to management of a greenhouse, weed control, plant spacing, correct environment conditions, and sanitation