10 



MASS. EXPERIMENT STATION BULLETIN 333 



Table 4. — Dry Matter and Nitrogen Taken from Legume Subplots 



Pounds per Acre 



Year 



WITH FERTILIZER NITROGEN 

 (Plots 5, 8, 10) 



Crop Dry Matter Nitrogen 



Average 



Plot 5 Plot 8 Plot 10 Average 



Clover 4,040 3,760 3,920 3,900 100.5 



Soybeans 3,700 3,240 4,080 3,680 87.8 



Clover 2,940 2,840 3,080 2,960 40.3 



Japanese millet. . . 7,360 6,780 6,640 6,920 86.7 



Soybeans 3,980 4,460 4,660 4,360 99 . 1 



Oats and peas 3,800 3,600 3,880 3,760 73.7 



Total 25,820 24,680 26,260 25,580 488.1 



WITH RESIDUAL NITROGEN 



Sweet corn 2,760 3,520 3,980 3,420 58.3 



Sweet corn 1,980 2,200 2,880 2,360 40.7 



Clover 3,120 3,980 3,780 3,620 81.0 



Oats and peas 2,400 2,600 2,700 2,560 46.5 



Hungarian millet.. 3,960 3,840 4,300 4,040 35.5 



Total 14,220 16,140 17,640 16,000 262 



1924 

 1926 

 1928 

 1930 

 1932 

 1935 



1925 

 1927 

 1929 

 1931 

 1934 



23,800 471.4 



16,320 270 3 



Table 5. — Dry Matter and Nitrogen Taken from Nonlegume Subplots 



Pounds per Acre 



Year 



Crop 



1924 

 1926 

 1928 

 1930 

 1932 

 1935 



1925 

 1927 

 1929 

 1931 

 1934 



Grass 



Japanese millet. . 



Grass 



Japanese millet. . 

 Hungarian millet. 

 Oats 



Total 34,500 33,480 33,280 33,740 333.0 23.880 



WITH RESIDUAL NITROGEN 



Sweet corn 2,080 2,160 2,800 2,340 33.4 



Sweet corn 2,320 2,460 2,780 2,520 45.1 



Grass 1,780 1,680 2,320 1,920 19.1 



Oats 1,680 2,000 2,500 2,060 26.5 



Hungarian millet . 3,540 4,040 4,620 4,060 36.5 



Total 11,400 12,340 15,020 12.900 160.6 11,710 143 6 



