Effect of Vegetation Cover for Olive Trees Orchards in Optical Characteristics of Fadhlia Region Soils in Nineveh Province/ Northern Iraq

This study was held in Fadhlia region, 22 km northeast of Mosul city, province center, and aims at knowing the effect olive trees soil optical properties, three sites orchards were chosen with different ages agricultural processes, age first site is 200 years old, second 10 old third 25 pedons drilled under trees, others uncultivated land, several photographs for taken using a digital camera to calculate RGB values, color then measured field laboratory Munsell charts, use Spectroradiometer draw spectral reflectance curves soil, results obtained that values high dry soils decrease moist state, percentage lower than (47.3%) surface horizon p5 hue, value chroma between layers low observed horizons most wavelength (1750) nm .