Unit 5: Food Crossword

planting rows of trees at wide spacing
capable of producing crops; suitable for farming; suited to the plow and for tillage
units of energy
The main types of nutrients
yellow, red, or bluish-gray in color and often forming an impermeable layer in the soil.
the practice of tilling sloped land along lines of consistent elevation
process in which fertile land becomes desert
Process of eroding or eroded by wind
scarcity of food
a farm on which large numbers of livestock are raised indoors
organic component of soil
watering of land to make it ready for agriculture
any one of various substances that contain fat
soil that is good for growing plants
cutting and preparing the timber
substance required in relatively large amounts by living organisms
lack of protein nutrition
substance required in trace amount for normal growth
a way of growing crops
matter composed of organic compounds coming from remains of organisms
Letting livestock graze land so heavily that the soil loses fertility
destructive insect
chemical substance produced and released into the environment by an animal
A substance found in foods that are important to human diets
the draining of water
A build up of salt in soil
fine sand, clay
the growing of a cultivated crop
extracting minerals near the surface of the Earth
reduces erosion on steep by cutting ridges
top layer of soil