agriculture

arable

bare

change

chemicals

climate

corn

cropland

cultivated

cultivator

day

dig

dirt

earth

ecological

ecology

environment

excavation

farm

farmer

fertility

fertilize

fertilizer

field

ground

grow

irrigation

land

long

natural

nature

nitrates

perekupnoy

pesticides

plain

plan

ploug

plough

ploughing

ploughland

plowed

plowing

range

ridge

soil

spring

sunflower

sunny

tilth

was

water