Karau ward
Olkalou sub-county · Nyandarua county
📍 -0.3202°, 36.3384° · Pop: 25,514
Karau ward sits in Olkalou sub-county, Nyandarua County, home to about 25,514 people. Working from Nyandarua County soil averages, the profile is pH 5.4 (moderately acidic), nitrogen 1.28 g/kg, phosphorus 14.0 mg/kg and potassium 166.0 mg/kg. The moderately acidic pH means lime is worth applying before most crops to release locked-up phosphorus. Based on this soil, the strongest-scoring crops for Karau are Tea, Wambugu Apples, and Pyrethrum — see the full ranking below.
Soil mapping and farming in Karau Ward
Local soil characteristics in Karau Ward (located within Olkalou sub-county, Nyandarua County) play a vital role in determining agricultural productivity. The soil analysis indicates a pH of 5.4, paired with nitrogen levels of 1.28 g/kg and phosphorus levels of 14.0 mg/kg. For farmers in Karau, matching seed varieties to local climatic conditions and using fertilizer programs tailored to these exact satellite-measured soil properties is key to avoiding yield deficiencies and reducing fertilizer wastage.