The experience of Gansu TV program "Field Light" is to attract the audience by the cases of getting rich,refresh agriculture-related idea and promote competitiveness of agriculture in order to improve the quality of programs by disseminating the effectiveness of agricultural technology,and create a complete industrial chain from the point view of agriculture.

According to the field spectrum data collecting within Beijing area, some technical methods in data acquirement are discussed, which include environment condition, analysis of the character of desertificated land, strategy of sampling and selecting of instrument.