Show PRESENCE OF COW WELL JUSTIFIED continuous crop production R reduces plant food the need tor for soil building Is so great on the I 1 lie average not carolina farm that the presence of the dairy I 1 cow ran enn be justified een though the I 1 net profit from tier her milk or cream arc ini lie be small on any farm where crop production Is unsupported hy by live stock growing the conservation of soli soil fertility Is 13 a problem ilem says buys jolin john A arey dairy extension specialist nt at the north Car carolina olfria college continuous crop production ns as practiced in this state reduces the plant food content of the soil find and encourages er erosion gislon A good example of his flits can be found in parts of flie lie piedmont section where there here are thousands thou sandi of acres of rolling land which are even now so lindly washed ns as to be unlit unfit for farming the methods of clean culture practiced tire largely responsible for flits condition intend of cultivating such lind land much of it could be put to pasture which would check erosion and nt at the same time line furnish profitable grazing for cows mr air arey says that lint it makes little difference ns its to the cash return from a crop if tills Is 19 secured nt at the e expense X of soli soil fertility in the end the farmer fanner lows loses gradually his soil he be coras conis cora coni s less productive and eventually he be will be forced to move to a more fertile firm farm to secure an income sufficient to ninin maintain tain his family fi mily V the dairy cow comeras coi anike int ge quantities of feeds into milk saime conle of these feeds hive have high plant food value and since only r bout 20 per cent of this food value is lost in the feeding process there is a gradual accumulation of plant food in the farm of nf manure on every well managed dairy farm the good crop secured on suo farms are ample proof of ills his statement manure also lins has n R greater value than its chemical would indicate nil because it Is the home of beneficial bacteria and art improves the lie ghys phys leal ical condition condl llon of the land |