Show air and water air la Is just ae as necessary ebsary an element in the soil as the water but both must b be e there in proper quanta ties if there Is 13 too much air and too little mol moisture sture nitrification eases if there ie is too much moisture and too little air the effect Is I 1 the same from frum ten years experience and observation we have concluded that a certain chemical action must bo be practically continuous in the soil during the growing season it if we are tc to grow the largest crops this chemical action ie is unquestionably dependent upon juat just a certain deal ideal or perfect coill tion of 0 the eoll a physical condid n that will carry in the soil just I 1 ie to ideal qu entity of both air and water and then as soon as the soil becomes sufficiently warm natures na turee work begins |