57 



Table 9- Soil organic matter content after harvest of each crop as 

 influenced by crop and fertilizer managenent levels over 

 two cropping cycles in the period 1977 -79» Gainesville, FL. 



Cropping 

 pattern 



Fertilizer 

 level 



First 



Crop 



Second 



Third 



HM-HM-HM 



LM-LM-LM 



HM-MM-K4 



M-M-MK 



Low 

 Medium 

 High 

 Mean 



Low 



Medium 



High 



Mean 



Low 



Medium 



High 



Mean 



Low 

 Medium 

 High 

 Mean 



B . Onion 



:o. 



,88 



z 

 a 



0. 



,88 



a 



0. 



■95 



a 



0, 



.90 



A 



E. 



Pea 



0, 



,84 



a 



0, 



,88 



a 



0, 



.85 



a 



0, 



.86 



A 



B. 



Onj 



.on 



0, 



.92 



a 



0, 



.91 



a 







.96 



a 







.93 



A 



B. 



Onion 







.90 



a 







.93 



a 







•95 



a 



/O 



P, Bean 



0.76 

 0.75 

 0.82 



b 

 b 

 a 



0.78 A 

 3. Pea 



0.82 



0.88 

 0.91 



b 

 a 

 a 



0.87 A 

 Squash 



0.77 

 0.85 

 0.93 



c 



b 

 a 



0.85 A 

 3. Pea 



0.88 

 0.80 

 0.97 



b 

 c 



a 



Gollard 



0, 



,60 



a 



0.45 



c 



0, 



.58 



b 



0, 



.54 



G 



s. 



Pea 



0, 



.99 



a 



0, 



.88 



b 



0, 



.96 



a 



0, 



.94 



A 



s. 



Pea 







.86 



3. 







.79 



b 







.86 



a. 







.84 



3 



MU! 



stard 







.84 



b 







.78 



c 







.90 



a 



0.93 A 



0.88 A 



0.84 B 



'l'4ean separation in columns within crops by least significant 

 difference, ^% level. Fertilizer means (lower case letters), 

 cropping pattern means (upper case letters). 



