86 



62. Halsey, L. H. 1978. Seasonal response of vegetable crops for 



selected cultivars in North Florida. VI. Leaf crops. Res. 

 Rpt. VG 6-78. IFAS, Veg. Crops Dept. , Univ. of Florida, 

 Gainesville. 



63. , and 3. R. Kostewicz. 1975" Extending the production 



season of vegetables in North Florida. Proc. Fla. State 

 Hort. Soc. 88:228-232. 



64. , and . 1976. Seasonal response of 



vegetable crops for selected cultivars in North Florida. 



I^ . Legumes. Res. Rpt. VG I-I976. IFAS, Veg. Crops Dept., 

 Univ. of Florida, Gainesville. 



65. I and . I976. Seasonal response of 



vegetable crops for selected cultivars in North Florida. II. 

 Solanaceous crops. Res. Rpt. VG 2-76. IFAS, Veg. Crops- 

 Dept., Univ. of Florida, Gainesville. 



66. , and . 1976. Seasonal response of 



vegetable crops for selected cultivars in North Florida. IV, 

 Cucurbits. Res. Rpt. VG ^-76. IFAS, Veg. Crops Dept., Univ. 

 of Florida, Gainesville. 



67. , and . 1977- Seasonal response of 



vegetable crops for selected cultivars in North Florida. V. 

 Crucifers. Res. Rpt. VG 5-77. IFAS, Veg. Crops Dept., Univ. 

 of Florida, Gainesville. 



68. Harwood, R. R. 197^. Resource utilization approach to cropping 



systems improvement, p. 2^9-260 in International Workshop 

 on Farming Systems. IGRISAT, Hyderabad, India. 



69. I 1975' Farm oriented research aimed at crop inten- 

 sification, p. 12-32 in Proc. of the Cropping Systems Work- 

 shop. IRRI, Los Banos, Philippines. 



70. , and E. C. Price. I976. Multiple cropping in tro- 

 pical Asia. p. 11-40 in R. I. Papendick, P. A. Sanchez, and 

 G. B. Triplett (eds.). Multiple Cropping. Spec. Pub. 27. 

 Amer. Soc. Agron. Madison, WI. 



71. Havanagi, G. V., and H. S. Mann. I97O. Effect of rotation and 



continuous application of manures and fertilizers on soil 

 properties under dry farming conditions. J. Indian Soc. Soil 

 Sci. 18:45-30. 



72. Hayami, A. 1975- Cropping sequences and their effect on soil fer- 



tility. Food and Fertilizer Tech. Center, Asian Pacific Reg. 

 Tech. Bui. 23. Taipei, Taiwan, Rep. of China. 



