Effect of Planting Density and Harvest Interval on the Leaf Yield and Quality of Moringa (Moringa oleifera) under Diverse Agroecological Conditions of Northern South Africa

Table 1

Physical and chemical properties of soil at the experimental sites.

Soil properties	Syferkuil			Ofcolaco
	Soil depth (cm)
	0–30	30–60	Average	0–30	30–60	Average
pH (KCl)	6.54	6.98	6.8	5.13	5.22	5.2
Clay (%)	30	34	32	30	31	30.5
Org. C (%)	0.8	0.5	0.7	1.4	1.1	1.3
Total N (%)	0.06	0.04	0.1	<0.05	<0.05	<0.1
P (mg/L)	10	15	12.5	8	3	5.5
K (mg/L)	353	283	318	212	105	158.5
Ca (mg/L)	1139	1487	1313	646	756	701
Mg (mg/L)	868	878	873	178	153	165.5
Zn (mg/L)	1.1	1.2	1.2	1.9	0.6	1.3
Mn (mg/L)	5	3	4	41	45	43
Cu (mg/L)	5	4	4.5	6	5.4	5.7