Land
1) The nature of land influences the type of vegetation.
2) The fertile land is suitable for agriculture.
3) The uneven and rough terrains are areas where grassland and woodlands develop and give shelter to a variety of wild life.
Soil
1) Different types of soils provide basis for different types of vegetation.
2) The sandy soils of the desert support cactus and thorny bushes while wet, marshy, deltaic soils support mangroves and deltaic vegetation.
3) The hill slopes with some depth of soil have conical trees.