a foot-and-mouth disease, sharp virus, quickly propagating disease house (the large and shallow cattle, pigs, reindeers, camels) and feral Artiodactyla from bunch of anthropozoonoses; it is characterised by a fever, an intoxication, belling (aphthas), and then cankers on slimy alimentiry a tract (es

barley (Hordeum), a genus of one-and perennial herbaceous plants of family mjatlikovyh, cereal crop. About 30 kinds, in extratropical ranges of Northern hemisphere and the South America; in the USSR - 10-16 wild-growing kinds. In culture (from 12-10 go thousand BC, in Turkmenia and in the south of U

jasnotkovye (Lamiaceae), mint family (Labiatae), family of dicotyledonous seed plants. One - and perennial herbaceous plants, subshrubs, bushes, occasionally lianas and small arbours. Leaves opposite or mutovchatye, simple, without stipules. Flowers bisexual, wrong, it is frequent dvugubye, with 5 c

a pennycress (Thlaspi), a genus of one-and perennial herbaceous plants of family kapustovyh, a weed. Over 60 kinds, mainly in the Northern hemisphere moderate belt; in the USSR - 6 kinds, mainly on caucasus. JA field (T. arvense) - the spring, winter-annual or wintering weed littering crops of grain

a multistage plough, a farm implement for multistage (level-by-level) ploughing. In the USSR bake the double-deck and three-storied ploughs aggregated with tractors of classes 4-6. Double-deck plough PD 4 35 consists of a frame, 3 or 4 sections of cases top and bottom storeys, the mechanism of a bac