Investigating the Effects of Various Soil Amendments on Forages Production in the Field

Table 6

Percentage increase in fresh alfalfa biomass due to the application of various soil amendments compared to control treatments (100% and 60% ETc).

Control‐60% ETc	16.32 tons/ha
Control‐100% ETc	20 tons/ha
Soil amendments	5 tons/ha	7.5 tons/ha	10 tons/ha
	% increase of fresh biomass over control treatment with irrigation (ETc 60%)
Commercial compost (60% ETc)	9.68	11.98	14.87
Compost (60% ETc)	103	117.0	115.8
Biochar (60% ETc)	17.89	18.36	17.93
Soil conditioner (60% ETc)	15.32	15.11	16.12
	% increase of fresh biomass over control treatment with irrigation (ETc 100%)
Commercial compost 60% ETc	5	15	27
Compost (60% ETc)	72	70	58
Biochar (60% ETc)	25	37	27
Soil conditioner (60% ETc)	19	21	25