They can, however, only carry on their work extensively under anaerobic conditions, as in waterlogged soils or in those which are badly tilled, so that there is but little loss of nitrates through their agency.
Soillus, pertaining to substance which is stirred or tilled by implements such as ploughs and spades.
The land for their reception must be thoroughly well tilled and manured.
The greatest estates belonged to the king, or had been granted to military chiefs whose sons succeeded them, or were the endowments of temples, but the calpulli or village community still survived, and each freeman of the tribe held and tilled his portion of the common lands.
The farms are generally small, and are for the most part tilled by manual labour.