PTE

the variety of crop species or crop varieties grown or maintained within a farming system or region

to grow plants as crops or prepare and use land for growing them

the movement or removal of excess water from land, naturally or through constructed channels and pipes

to remove a natural resource from the ground or another place where it occurs

able to support good plant growth, especially because the soil supplies adequate nutrients

a fish population, or part of one, treated as a unit for assessment and management

a fishing activity or industry defined by the area, species, or methods involved

equipment such as nets, hooks, and traps used to catch fish or other aquatic animals

likely to experience flooding because of location or other conditions

the planning and direction of activities that shape the condition and use of a forest

the study and practice of growing, managing, and using forests and their resources

the warming of a planet's surface and lower atmosphere as certain gases absorb and emit infrared radiation

the amount of water vapor present in the air

a rotating tropical cyclone in the North Atlantic or eastern and central North Pacific with sustained winds of at least 119 kilometers per hour

a constructed open channel that carries water to agricultural land for irrigation

farm animals kept for food, materials, or work, such as cattle, sheep, and pigs

the commercial activity of cutting down trees and removing their wood from a forest

animal waste, sometimes mixed with bedding, that is used as a source of nutrients and organic matter for soil

to grind grain into smaller particles, especially to make flour

an area of land or water maintained primarily to protect wildlife and natural habitats

not naturally replaced on a timescale relevant to human use once consumed or extracted

farming that emphasizes ecological practices and restricts inputs and methods under an organic production standard

material in soil derived from living organisms, including plant and animal remains at different stages of breakdown

land covered mainly with grass and other low plants that farm animals eat while grazing

likely to decay or become unusable relatively quickly, especially when stored in unsuitable conditions

the monitoring and control of organisms that damage crops or otherwise interfere with agricultural production

a substance or mixture used to prevent, destroy, repel, or control organisms considered pests

to turn and break up soil with a large farming tool before growing crops

a substance that pollutes air, water, or land and can cause environmental harm