Vegetable crop production in gardens and yards has often been connected with both open field and greenhouse production of the most significant vegetable crops. Usually one or two crops are grown on one part of the garden, and the rest is less cultivated or covered by weeds. For the purpose of improving vegetable production, the trial was set as an open field and greenhouse production with no added heating, covering an area of 480 m(2), i.e., 240 m(2) (8x30 m) of open field, and 240 m(2) (8x30 m) of greenhouse area (without the added heating). The trial included 14 vegetable crop species: peas, radish, kohlrabi, spinach, lettuce, cabbage, pepper, tomato, beetroot, kale, onion, garlic, cucumber, and chard. The following parameters were monito...