30 



UNIV. OF N. H. AGR. EXPERIMENT STATION [Bulletin 221 



Table XV — Yield of spinach on garden soil fertility plots 



Plot 



1 

 2 



5 



6 



Total 



Treatment 



32 tons manure 



24 tons manure, 150 lbs. tankage, 100 

 lbs. nitrate of soda, 600 lbs. acid 

 phosphate, 150 lbs. muriate of 

 potash 



Green manure, 250 lbs. tankage, 160 

 lbs. nitrate of soda, 800 lbs. acid 

 phosphate, 300 lbs. muriate of 

 potash 



16 tons manure, 250 lbs. tankage, 160 

 lbs. nitrate of soda, 800 lbs. acid 

 phosphate, 300 lbs. muriate of 

 potash 



Check 



8 tons manure, 250 lbs. tankage, 160 

 lbs. nitrate of soda, 800 lbs. acid 

 phosphate, 300 lbs. muriate of 

 potash 



Green manure 



Limed 

 half 



5901 



767 

 131f 



3,343J 



Unlimed 

 half 



5011 



295* 



386 



264* 



l,944f 



Total 



l,049i 



1,092 



993 



1,153 

 131f 



869 



Per cent 

 of check 



794.8 



825.7 



751.5 



873.5 

 100.0 



558.3 



Note: Increase of limed over unlimed portion 1398.5 pounds, or 75.5 per cent. 



T.\BLE XVI — Yield of cabbage on garden soil fertility plots 



Plot 



5 



6 



Total 



Treatment 



32 tons manure 



24 tons manure, 150 lbs. 

 tankage, 100 lbs. nitrate 

 of soda, 600 lbs. acid phos- 

 phate, 150 lbs. muriate of 

 potash 



Green manure, 250 lbs. 

 tankage, 160 lbs. nitrate 

 of soda, 500 lbs. acid phos- 

 phate, 300 lbs. muriate of 

 potash 



16 tons manure, 250 lbs. 

 tankage, 160 lbs. nitrate 

 of soda, 500 lbs. acid phos- 

 phate, 300 lbs. muriate of 

 potash 



Check 



8 tons manure, 250 lbs. 

 tankage, 160 lbs. nitrate 

 of soda, 500 lbs. acid phos- 

 phate, 300 lbs. muriate of 

 potash 



Green manure 



Pounds cabbage 



Limed 



2,644J 



2,2331 



l,782i 



2,3021 

 1,482 J 



1,953 § 

 884 



13,282 



Unhmed 



2,492J 



2.385 



1.688J 



1,980^ 

 666i 



1,797 

 377J 



11,387 



Per cent 



increase 

 limed 



over un- 

 hmed 



portion 



6.1 



-2.3 



5.6 



16.3 

 122.5 



8.7 

 134.1 



Total 



pounds 



cabbage 



per 



plot 



5,136f 



4,618f 



3,470| 



4,283 

 2,148J 



3,750i 

 1,261J 



Yield per 

 plot ex- 

 pressed as 

 per cent 

 of check 



239.1 



214.9 



161.5 



199.3 

 100.0 



174.5 

 58.7 



Average 



weight 



each 



head 



6.2 



5.6 



4.1 



5.1 

 3.2 



4.8 

 2.4 



Tons 

 per 

 acre 



20.5 



18.5 



13.9 



16.9 

 8.6 



15.0 

 4.6 



Note: Increase of limed over unlimed portion 1893.25 pounds, or 16. 6 per cent. 



