Tree Biology
The sites of rapid cell division in the shoot tips, root tips and cambiums
What are Meristems
The classification of living organisms, including plants
Taxonomy
The majority of the fine absorbing roots are found in what soil horizon
A
Clay soils usually have a greater __________than sandy soils, but water percolates through clay soils at a slower rate
Water Holding Capacity
A complete fertilizer contains what?
Nitrogen, Phosphorus and Potassium
Meristems located at the end of shoots or roots or called primary meristems
Apical Meristems
Vascular plants whose seeds are covered by an ovary
Angiosperms
defined as an increase in bulk density and a decrease in pore space in soils
Compaction
A measure of the rate of water use by plants and evaporation from soil
Evapotranspiration Rate
What is the term used for nutrients washing down through the soil?
Leaching
This process combines carbon dioxide and water in a reaction driven by sunlight to create sugers
Photosynthesis
Vascular plants with "naked seeds"
Gymnosperms
Essential elements dissolved in soil water in the form of positively charged particles called
Cations
Soil probe that measures the moisture of the soil
Tensiometer
What micronutrient is a constituent of chlorophyll, and if deficient, can cause reduced growth and chlorosis?
Nitrogen
The loss of water vapor from leaves
Transpiration
The naming of plants
Nomenclature
Water that drains from macrospores is called
Gravitational Water
Name three plant adaptations for surviving low water availability
Deep Root Systems, Shedding Leaves and Leaf Adaptations ( small, thick cuticle and leaf hairs)
A 50 pound bag of 20-10-5 fertilizer contains how much actual nitrogen?
10 Pounds
Water and dissolved minerals are transported within the trees through this vascular system?
Xylem
Plants that have one seed leaf at germination
monocotyledons (monocots)
The zone of intense biological activity near the actively elongating roots
Rhizosphere
What soils have a higher infiltration rate than clay soils?
Sandy Soils
An 80 lb bag of 10-6-4 fertilizer contains how many pounds of actual nitrogen?
8 Pounds