Florida Agricultural Experiment Station


TABLE 8.-NITRIFICATION OF PINE NEEDLE COMPOSTS IN SOILS.


Treatment


ppm Nitrate-Nitrogen


C h eck ............... .. ...... ...........

Compost No. 1 (cyanamid reagent) ....
Compost No. 2 (urea reagent) .................. ...
Compost No. 3 (cottonseed meal reagent) ........
Compost No. 4 (without reagent) ....................

Compost No. 5 (pine needles and horse manure)


 Spanish Moss and Spanish Moss Gin Waste.4-Four composts
were made in July 1940, using green Spanish moss, 8.63 percent
moisture, or Spanish moss gin waste, 13.23 percent moisture,
both with and without reagent. (Fig. 5.) One hundred pounds
of a reagent containing equal portions of ammonium sulfate
and basic slag were used on approximately 1,000 pounds of moss
or gin waste moss as follows:


Compost No. 1
 Spanish moss gin waste
 Reagent ..........................
Compost No. 2
 Spanish moss (green) ...
 Reagent ..................... ...


1,025 pounds
100 pounds


1,000 pounds
100 pounds


'The assistance of Mr. Paul Selle is gratefully acknowledged.


Fig. 5.-Composted Spanish moss gin waste.