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Table 3. Physico-chemical properties of an Inceptisols where cassava is cultivated in Andhra Pradesh

Depth (cm) pH OC %
 N Contents P Contents (kg/ha) K Contents Ca Contents cmol(+)/kg Mg S Fe Contents Mn Contents mg kg Zn Cu B Sand Silt (%) Clay
0-20 6.8 0.18 98.64 46.43 104.87 0.23 0.21 6.25 2.75 1.23 1.06 2.38 0.28 94.2 3.9 1.9
20-50 6.9 0.09 41.25 10.34 30.45 0.17 0.14 4.12 1.31 1.03 0.59 1.04 0.15 95.3 2.2 2.5
50-100 7.0 0.05 37.53 6.75 16.75 0.11 0.10 2.18 1.15 0.82 0.21 0.58 0.07 94.6 2.7 2.7
100-150 7.0 0.03 35.64 4.83 10.49 0.06 0.05 1.27 1.06 0.51 0.15 0.30 0.04 95.2 2.6 2.2
Central Tuber Crops Research Institute
Sreekariyam, Thiruvananthapuram, Kerala - 17