89 



99" Levins, R. A. , and R. D. Downs. 1975» ManeLgement handbook for 

 small farms in Florida. Florida Coop. Ext. Ser. Food and 

 Resource Econ. Dept. , IFAS, University of Florida, Gainesville. 



100. Lin, C. F., T. S. Lee ¥ang, A. H. Chang, and G. Y. Gheng. 1973. 



Effects of some long term fertilizer treatments on the chemi- 

 cal properties of soil and yield of rice. J. Taiwan Agr. Res. 

 22:2^2-262. 



101. Lorz, A. P. 1955' Production of southern peas (cowpeas) in 



Florida. Florida Agr. Expt. Sta. Bui. 557- 



102. Mack, W. B., G. J. Stout, and F. W. Haller. 1933. The effect of 



certain truck crops on the yield of truck crops following 

 them on the same plots in the nexx season. Proc. Amer. Soc. 

 Hort. Sci. 30:^7-^^51. 



103. Marlowe, G. A., and G. M. Geraldson. I976. Results of a soluble 



salt survey of commercial tomato fields in Southwest Florida. 

 Proc. Fla. State Hort. Soc. 89:132-135. 



104. Maynard, D. N. , and 0. A. Lorenz. 1979. Seventy-five years of 



progress in the nutrition of vegetable crops. HortScience 

 14:355-358. 



105. Menegay, M. R. 1975. Socio-economic factors affecting cropping 



systems for selected Taiwan farmers, p. 231-251 in Proc. 



of the Cropping Systems Workshop. IRRI, Los Bancs, Philippines. 



106. . 1976. Farm management research on cropping sys- 

 tems. AVRDC Tech. Bui. No. 2. Shanhua, Taiwan, Rep. 01 - 

 China. 



107. , J.N. Hubbell, and R. D. William. 1978. Crop 



intensity index: A research method of measuring land use in 

 multiple cropping. HortScience 13:8-11. 



108. Miami Wholesale Fruit and Vegetable Report. 1978-79. Federal 



State Market News Service. South Miami, FL. 



109. Montelaro, J. 1978. Squash production guide. Florida Coop. Ext. 



Ser. Cir. I03-D. 



110. , and S. R. Kostewicz. 1975. Bean production guide. 



Florida Coop. Ext. Ser. Cir. lOO-C. 



111. Morgan, M. F., and H. G. M. Jacobson. 19^0. Soil managem.ent fcr 



intensive vegetable production in sandy Connecticut Valley 

 land. Conn. Agr. S:cpt. Sta. Bui. 439. 



