Management of Alternative Organic Fertilizer Sources for Wheat Production: Evidence from Decomposition Dynamics and Agronomic, Economic, and Farmers’ Preferences

Table 7

Partial budget analysis of application time and proportion of organic materials on wheat, at Kokate Mara Chare, Wolaita, in 2014 cropping season.

Partial budget	Application time (weeks before sowing)				Proportion
	Two	Four	Six	Eight	1 : 1	2 : 1	1 : 1 : 1
Ave. yield (t/ha)	3.64	3.62	3.3	2.73	3.24	3.52	3.2
Adj. yield (t/ha)	3.28	3.26	2.97	2.46	2.92	3.17	2.88
Grain income (@ 5000 birr/ton)	16380	16290	14850	12285	14580	15840	14400
Total income (birr)	16380	16290	14850	12285	14580	15840	14400
Labor for organic material preparation (birr/ha)	500	500	500	500	500	500	500
Labor for organic material application (birr/ha)	300	300	300	300	300	300	300
Total variable cost (birr/ha)	800	800	800	800	800	800	800
Net benefit (birr/ha)	15580	15490	14050	11485	13780	15040	13600

1 : 1 (Cm : Eb), 2 : 1 (Cm : Eb), and 1 : 1 : 1 (Cm : Eb : FYM).