58 



e 



a. 

 a. 



><) 

 O 



Z 

 + 



en 

 < 



O 



0" 



80 



60 



40 



20- 



^ LOW NK 

 H MEDIUM NK 

 ^ HIGH NK 



n 



I :>:i- 



3.0NICN P EEAN CCLLARD 



CROPPING PATTERN HM-HM-HM 



60 



40 



20 



^ LCW ^JK 

 Hj MEDIUM ,NJK 

 ^ ?^ HIGH NK 







a r. 



MiM 



g 3 ^ 



8. ONION SQUASH S. PEA 



CROPPING PATTERN HM-MM-LM 



^ LCW ,NK 

 m MEDIUM ^4K 

 ^ HIGH NK 



"I a 



^ 





" 1 - 



-1 -J r— , 



£. PEA S. PEA S. PEA 



CROPPING PATTERN LM-LM-L.M 



t^ LOW NK 

 JH MEDIUM NK 

 - ^ HIGH NK 



m^ 



!$■ 



i. 



a I: 



M 



TO 



1 



3. ONION S. PEA MUSTARD 



CROPPING PATTERN HM-LM- MM 



Fig, 6. Soil nitrogen after harvest of each crop as influenced 

 by crop and fertilizer management levels over two crop- 

 ping cycles in the period 1977-79, Gainesville, FL. 

 Letters on the bars indicate mean separation among 

 fertilizer levels within each crop by least signifi- 

 cant difference, 5% level. 



