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Desertification (fixes (pits which help maintain nutrients (called zai,…
Desertification
fixes
pits which help maintain nutrients
called zai
capture run off nutrients
rows of stones
slow down flow of water
new branches of trees removed to prevent competition
these methods have successfully rehabilitated 1000s of acres of soil
40% increase in crop production
insufficient rainfall
water scarcity
low crop reduction
low tree coverage
more wind erosion
low biodiversity
less shade = less water
80% of famland experiences degradation
intense rainfall
washes away soil
seeds washed away
no crops produced
low biodiversity
crops are more susceptible to pest attacks
high birth rate
agressive means of harvesting
loss of soil fertility
huge demand for food