Show with mud in china and japan according tot toj professor F r II 11 king as mue much h labor and time are spent in special fert fertilization ill z of the soil as in seeding and harvesting 4 the crops in addition to barnyard and household manure great i quantities of bean rape rape seed cotton seen and peanut oil cake are used as fertilizers and an enormous tonnage of canal and river mud la Is also applied single dressings of mud sometimes amount to from 70 to tons per acre the practice of irrl gatton gallon is very extensive and all lr ir righted areas are placed under conditions which practically eliminate surface erosion doth both canal and reser j voir mud are fermented in organic matter to be used as fertilizers the mongolians Mongo lians practice systematically the culture of legumes as a source of nitrogen the bense population and increasingly smaller holdings both necessitate and render possible the bestowal of extreme personal care upon the crops 1 |