Table 1. The initial properties of the soil.

Soil properties	Organic matter (g kg−1)	Total nitrogen (N) (g kg−1)	Total phosphorus (P) (g kg−1)	Available N (mg N kg−1)	Available P (mg P205 kg−1)	Available potassium (mg K20 kg−1)
Values	24.60	0.90	0.24	150.41	11.85	96.32