Understanding the Impact of the Intercropping System on Carbon Dioxide (CO₂) Emissions and Soil Carbon Stocks in Limpopo Province, South Africa

Table 2

Soil chemical properties from Ofcolaco collected at the end of 2018/19 and 2020/21 cropping seasons.

Chemical properties	2018/19		2020/21
	Binary	Sole	Binary	Sole
BD (kg·m^−3)	1555.25 ± 404.03	1440.97 ± 269.56	1201.91 ± 289.70	1277.48 ± 368.98
GWC (%)	21.27 ± 5.97	25.58 ± 7.86	15.71 ± 4.10	15.10 ± 4.85
P (mg·kg^−1)	71.73 ± 35.66	53.43 ± 21.09	50.66 ± 26.89	43.63 ± 19.44
K (mg·kg^−1)	151.50 ± 37.40	166.47 ± 43.74	116.78 ± 44.30	141.95 ± 46.80
Ca (mg·kg^−1)	748.18 ± 98.77	756.69 ± 94.54	744.38 ± 98.69	741.08 ± 76.38
Mg (mg·kg^−1)	141.87 ± 18.44	163.41 ± 24.79	149.84±	163.24 ± 21.37
Zn (mg·kg^−1)	8.29 ± 3.21	7.21 ± 2.73	9.00 ± 4.79	5.75 ± 1.96
Mn (mg·kg^−1)	39.75 ± 12.44	36.21 ± 11.98	30.91 ± 5.04	28.57 ± 4.21
Cu (mg·kg^−1)	4.64 ± 0.39	4.51 ± 0.35	4.37 ± 0.61	4.45 ± 0.53
Org.C (%)	1.51 ± 0.14	1.58 ± 0.13	1.38 ± 0.13	1.41 ± 0.14
C : N ratio	70.50 ± 30.05	50.96 ± 26.67	69.68 ± 57.48	71.88 ± 36.03
CS (kg·m^−2)	6.99 ± 1.82	6.84 ± 1.49	2.49 ± 0.56	2.67 ± 0.84