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 INTRODUCTION ........................ ... ..... .....5........ ............... .. 5


 REVIEW OF LITERATURE ..................-----........--........- --- ...- ..- .... 6


 METHOD OF SAMPLING --......--...---....--......--...--- ....... ... ...----.....- 7


 PREPARATION OF SAMPLES .- ---.......-.........- ...- ......... .....--- ---------- 8


 METHODS OF ANALYSIS ...-..........----------------...........................- .. 9


 CHEMICAL COMPOSITION OF VEGETABLES ...... ............................. ......... 10


 Cabbage ...-- --..............-------.......-...................--- ... 10


 Beans ............ ... ..-- --........... ...........-.... ......-......- ...-... ... 13


 Celery .. ....................... .............-- ...........-------- 13


 Tomatoes ..........---------------......- .................-- .... ...--... ---- 13


 Collards .......--------.....-- .. -----....... ..... ...----- .-................ 13


EFFECT OF SOILS ON PLANT COMPOSITION ............-...........- .........----.... 14


SUMMARY ........................-- ---- -------- -............. ---------------- 25


LITERATURE CITED ........-............ ----.........- ---- ....-.....--------.... 27


A PPENDIX .... .................. ........................ ....... ............. ............. 29