barley, corn, cotton, oats, potatoes, red clover, rye, wheat, sugar beets, small grains, grass, area, soil, climate, air, light, growth, growing season, humidity, environment, conditions, under conditions, to require, to influence, to supply, favourable, development, average, to affect, most, as, as well as

Последнее изменение: среда, 14 октября 2015, 17:40