Figure 6
From: Biochar aided priming of carbon and nutrient availability in three soil orders of India
Identification of most important contributing parameters using PCA analysis, and PCA biplot cluster analysis for similarities of treatments and contributing parameters in (a) Alfisol, (b) Inceptisol, (c) Mollisol, X1-C mineralization biochar alone (Q-BC) X2-C mineralization soil + biochar (S + Q-BC), X3-C mineralization from soil-biochar mixture (S-BC), X4-pH, X5-EC, X6-available N, X7-available P, X8-available K, T1-RBC4, T2-RBC6, T3-SBC4, T4-SBC6, T5-MBC4, T6-MBC6. S-Control soil, BC-Biochar, Q-Quartz sand, RBC4-Rice husk biochar prepared at 400 °C; RBC6-Rice husk biochar prepared at 600 °C; SBC4-Sugarcane bagasse biochar prepared at 400 °C; SBC6-Sugarcane bagasse biochar prepared at 600 °C; MBC4-Mustard stalk biochar prepared at 400 °C; MBC6-Mustard stalk biochar prepared at 600 °C.
