This process makes sugar and gathers energy
What is photosynthesis
This type of growth is the increase in the length of a plant
What is primary growth
These are elements needed in large amounts by a plant
What are macronutrients
This is the first sign when a plant is lacking water
What is wilt
This type of development provides for human needs without destroying natural habitats.
What is sustainable development
This is another name for sugar
What is glucose
This type of growth is the increase in the diameter and root systems of a plant
What is secondary growth
These elements are needed in small amounts
What are trace elements
Straw, tree bark, saw dust and paper can be used as
What is mulch
What are fertilizers?
These substances help crops grow but can cause water pollution and kill aquatic life if they wash into rivers.
This chemical is responsible for the green in plant leaves
What is chlorophyll
The rings in trees are the result of this type of growth
What is secondary growth
This macro element is needed for photosynthesis and it help plants deal with weather changes
What is potassium
The process of using mulch is designed for what purpose
What is to keep moisture in the soil
Farmers use these to kill pests, but they can also harm useful organisms and disrupt food webs.
What are pesticides
These are the 4 things plants need to for photosynthesis to occur
What are water, sunlight, carbon dioxide and chlorophyll
This is the innermost part of a tree
What is heartwood
This macro element is needed for plants to store energy and for germination
What is phosphorus
This type of planting is used to help decrease moisture lose in soul
What is no till planting
Removing trees and hedges to make space for crops can lead to this problem where soil is worn away.
What is soil erosion?
The process of plants using the products of photosynthesis
What is respiration
This is the inner part of a tree that is 2 to 4 years old
What is sapwood
This macro element is the most important element for growth
What is nitrogen
H2O is the chemical sign for this
What is water
These 3 numbers on fertilizer represent this
What are Nitrogen, Phosphorus and Potassium?