CONTENTS
 Page
REVIEW OF LITERATURE ....-....--- .... .------- -- ....... ..-------------- -- 3
MATERIALS AND METHODS --.............. ... ------.-... ----. ..--- ----.--. 7
EXPERIMENTAL RESULTS .. .......-.-- .--- -- .....-- ------ 11
RESULTS FOR THREE YEARS ................. .... --.... .------- 25
COMBINED ANALYSIS FOR THREE YEARS .......--..--------- --- -...-........ 28
SUMMARY AND GENERAL CONCLUSIONS .-...... ....--------.. ..-..-...- 30
LITERATURE CITED ........ ..-..... ...... ..-.---.---------.. --.. ----- 31


Fig. 2.-Irrigated tobacco showing excellent leaf quality.