conservation – n. the protection of animals, plants, and natural resources
crops – n. a crop (such as tobacco or cotton) that is grown to be sold rather than for use by the farmer
curriculum – n. the courses that are taught by a school, college, etc.
organic – adj. grown or made without the use of artificial chemicals
recycling – n. to make something new from something that has been used before
sow – v. to plant seeds in an area of ground