120 likes | 454 Vues
Soil Fertility. Question 6 (b) Reasons for a fall in fallow periods; Lack of fertiliser input Ground open to leaching Shifting cultivators forced into a smaller area due to competing demands for forest land for; *logging *road building
E N D
Soil Fertility • Question 6 • (b) Reasons for a fall in fallow periods; • Lack of fertiliser input • Ground open to leaching • Shifting cultivators forced into a smaller area due to competing demands for forest land for; • *logging • *road building • *land given to city dwellers or landless peasants from NE of Brazil. • *HEP • *mining • All of this means that tribal people are forced into a smaller area of forest and are forced to revisit old plots much quicker.