1.8km from Sagana/Nyeri highway entrance at opposite Rubis Sagana.
Black alluvial soils:
Rich in organic matter and minerals deposited by rivers.
Suitable for vegetables, fruits, maize, wheat, rice, sugarcane, and many other crops.
Easier to plough and manage.
Black cotton soils:
Rich in calcium, magnesium, and clay minerals.
Excellent for cotton, sorghum, pigeon peas, sunflower, and some pasture grasses.
Require good drainage and careful timing of cultivation because they swell when wet and shrink when dry.
Which is better?
For general farming: Black alluvial soils are usually the better choice because they are easier to cultivate and have better drainage.
For specific crops like cotton: Black cotton soils can be exceptionally productive if managed properly.