Table 1.

Wilt disease incidence and yields of spinach cultivated in the treated fields

Soil treatment	Wilt disease	Yield of spinach
	incidence (%)*	(g/m2)*
Untreated control	50.3 ± 17.2	436 ± 102
BSD	20.1 ± 15.7	887 ± 267
CP	0.5 ± 1.2	767 ± 281

* Mean ± SD.