Table 2.

Agronomic regime modelled.

option A	option B
production on previous agricultural land with no land-use change	production on previous scrub land with inclusion of land-use change greenhouse-gas emissions
no-till planting	no-till planting
two applications of post-emergence herbicide	two applications of post-emergence herbicide
no fertilizer or soil conditioner application	single annual application of a compound fertilizer
	application of lime once every 5 years
combining of crop at harvest	combining of crop at harvest