350) 
Drainage from lysimeter No. 1, in sod: 
1884. 
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t2 h) Se Le. 
September. .. 
October ... 
November. . 
December... 
January... 
February. . 
March... .. 
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August.... 
September. 
October... 
November.. 
December.. 
January.... 
February... 
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September.. 
October.... 
November... 
Nitrogen as 
Nitrogen 
[A USEMBLY _ 
Total loss 
Total sol- Chlorine, free ammo- as nitrates, Total nitro- of nitrogen 
ids, grains grains  nia,parts parts per gen, parts in pounds 
per gal. pergal. permillion. million. permillion. per acre. 
. 23.03 HS .0033 2.13 2.133 .02844 
9.52 alate .033 142 L175 .08154 
ae) 02 1.5 0.79 142 221 .06591 
. 10.43 1.2 O99 284 .O83d .01644 
Lysimeter No. 2, bare soil: 
15.4 aL vgt.03 trace 08 00155 
19.11 dD Sie) Lene 20.529 20.542 7.1488 
55.06 d.4 0494 75.073 75.122 27.6524 
46.97 Ai U8 sk 90.02 90.119 “ezezs 
74.34 4.8  .395 117.92 118.315 13.6350 
32.76 1.1°.-...0165 33.122 33.138 1.7073 
42.77 1.52~ .0296 34.80 34.829 2.1879 
42. 3.6 204 64.62 6487 1.5007 
63.14 D2 anes 90.86 90.90 3.2244 
70.42 45 11 11458 114.79 11.206 
Lysimeter No. 3, cultivated soil : 
39.00 1.75 .03 426 456 .00566 
45.43 95.0182. 69.61" 69.623 27.8307 
31.50 3 0494 52.164 52.213 19.0073 
84.44 1.3 .296 65.62 65.916 . 3.1279 
45.08 iy es ODS 68.07 68.129 16.4725 
31.78 ious 02a 23.94 23.963 48.4873 
56.35 oe debe 63.94 63.953 4.5666 
46.90 1. .0 69.60 69.60 _ 5.5045 
538.9% 1. .006 59.66 59.658 2.2246 
44.73 9 064 6297 68.08 ~ 5.0134 
December.. . 
These results show that there is practically no loss of nitrogen in 
The loss is very 
the drainage water from the lysimeter in grass. 
large from the bare soil and still larger from the cultivated. 
