37 



Table ij-. Marketable yields of vegetable crops in four cropping 

 patterns at Gainesville, FL. 



Cropping 



Crop 



Cropping year 



T-test 



between 



y 

 years'' 



pattern 



1977-78 





1978-79 







-Marketable 



yield, MT/ha- 





HM-HM-HM 



Bulb onion 

 Pole bean 

 Gollard 



33.5 



1.7 



15.3 





lij..9 

 1.5 

 6.1 



NS 



LM-LM-LM 



English pea 

 Southern pea 

 Southern pea 



3.8 



3.9 

 2.4 





6.5 

 ii-.l 

 1.6 



NS 

 NS 

 NS 



HM-MM-LM 



Bulb onion 

 Squash 

 Southern pea 



14.1 

 no data 

 5.8 





5.5 

 2.1 

 1.2 



** 



** 



HM-LM-MM 



Bulb onion 

 Southern pea 

 Mustard 



li>.l 

 1.6 



7.4 





9.8 

 2.2 

 3.2 



NS 

 NS 



Crop failure due to herbicide damage. 

 "^** = Significant at 1% level; NS = Not significant. 



