Show agreen green ma manure nure crops I 1 green manure Is vital to sol soil rebuilding and higher crop yields that come from a crop of legumes as shown by accompanying chart to compare the organic matter and nitrogen various legumes pro duce through their tops and roots tests were made at jollet joliet soil experiment peri ment field plots of white blossom sweet clover alfalfa and red clover were seeded in oats may 1 samples of tops and roots were col lecter november 1 results showed that white blossom sweet clover pro deuced considerably more organic matter and nitrogen in the fall ol of the first year than the other legumes sweet clover is a superior POUNDS 0 F AND IN TOPS AND RED I 1 i I 1 I 1 CLOVER I 1 I 1 ot 2300 MOO re 42 a M dim 2000 floo woo 69 42 green manure crop because of its its growth in the fall and its high percentage of nitrogen in the spring of the second year this greater fall growth the first year is due to the tact fact that sweet clover does not bloom but continues growth until freezing weather alfalfa and red clover frequently will bloom to in the tall fall of the first year vegetative growth stops with the blooming |