In order to promote the vegetables planting level and increase farmers\' vegetables yield and incomes all over Beijing municipality,a high-yield-efficiency cultural practice competition of autumn greenhouse tomato is arranged by Beijing Argo-Technical Extension Centre in 2008.

In orlder to promote the level of cultural practices of autumn greenhouse tomato to promote stable development of vegetable industry of Beijing facilities and to increase farmers and rural areas prosperity.

In this trial,the growth duration and growth vigour of tomato have been compared to each other in four different date of sowing so as to analysis influence of different date sowing on yield to determine the best date of sowing、field planting of autumn greenhouse tomato in Tongzhou,Beijing.

Effects of coated urea on yield and quality of greenhouse tomato;