EXPERIMENTS ON THE MIXED HERBAGE OP PERMANENT MEADOW. 407 
of manures applied per acre, on each plot, in each year, and the amount of hay per acre, removed 
23 years, 1856-1878, inclusive. 
Produce of hay per acre, first crops only, first 20 years 
1856-1875 (continued). 
Subsequent years. 
Each year (continued). 
Averages. 
1875. 
1876. 
1877. 
1878. 
1869. 
1870. 
1871. 
1872. 
1873. 
1874. 
1875. 
First 
pe¬ 
riod. 
Se¬ 
cond 
pe¬ 
riod. 
Total 
pe¬ 
riod. 
Duration of 
periods. 
First 
crop. 
Se¬ 
cond 
crop. 
Total. 
One 
crop 
only. 
First 
crop. 
Se¬ 
cond 
crop. 
Total. 
First 
crop. 
Se¬ 
cond 
crop. 
Total. 
Its. 
lbs. 
lbs. 
lbs. 
Ib9. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
1 
6832 
1828 
4904 
3531 
3332 
2628 
3764 
5538 
4348 
4824 
8, 12, and 20 years . 
3764 
1960 
5724 
3320 
4732 
2248 
6980 
3448 
1960 
5408 
1 
2 
6188 
1556 
3800 
2831 
2112 
1816 
2988 
4804 
3682 
4131 
8, 12, and 20 years . 
2988 
1320 
4308 
2288 
3612 
1824 
5436 
2340 
1776 
4116 
2 
3 
4256 
644 
2844 
1644 
1372 
1412 
2236 
2531 
2236 
2383 
10, 10, and 20 years . 
2236 
1384 
3620 
1384 
2364 
1960 
4324 
1848 
1496 
3344 
3 
4-1 
4508 
812 
2788 
1772 
1516 
1472 
2344 
2732 
2384 
2527 
7, 10, and 17 years . 
2344 
1728 
4072 
1860 
3092 
2100 
5192 
2184 
1704 
3888 
4-1 
4-2 
5096 
924 
4284 
3195 
2912 
2140 
4100 
4440 
3414 
3837 
7, 10, and 17 years . 
4100 
1612 
5712 
3760 
4696 
1500 
6196 
3648 
2408 
6056 
4-2 
5 
3990 
628 
3320 
2514 
1894 
756 
2696 
3420 
2471 
2946 
10, 10, and 20 years . 
2696 
2024 
4720 
1982 
2952 
2240 
5192 
1915 
2104 
4019 
5 
6 
6328 
1820 
4206 
2822 
2918 
2414 
4008 
3425 
3502 
3452 
13, 7, and 20 years . 
4008 
1678 
5686 
3590 
4222 
2196 
6418 
4140 
2114 
6254 
6 
7 
6124 
1968 
4414 
4236 
3892 
3088 
4560 
3797 
4118 
3958 
10, 10, and 20 years . 
4560 
2684 
7244 
3886 
5100 
2674 
7774 
3926 
2532 
6458 
7 
8 
5194 
1428 
3366 
2568 
2058 
1936 
3182 
4027 
3098 
3377 
6, 14, and 20 years . 
3182 
1788 
4970 
2702 
3624 
1748 
5372 
2544 
1932 
4476 
8 
9 
7700 
3306 
6576 
5658 
4894 
3290 
5828 
6002 
5421 
5711 
10, 10, and 20 years . 
5828 
2729 
8557 
5604 
6054 
2448 
8502 
6290 
2707 
8997 
9 
10 
6412 
2376 
5218 
4328 
3700 
2582 
4806 
6222 
4725 
5674 
6, 14, and 20 years . 
4806 
2713 
7519 
4484 
4880 
2806 
7686 
4600 
2456 
7056 
10 
j 11-1 
8428 
4748 
6348 
7131 
5236 
2628 
5224 
6913 
6006 
6459 
10, 10, and 20 years . 
5224 
5684 
10908 
6452 
6796 
5420 
12216 
5808 
4604 
10412 
11-1 
11-2 
8792 
5552 
7364 
7155 
6328 
4452 
6728 
7077 
6909 
6993 
10, 10, and 20 years . 
6728 
4580 
11308 
7264 
8500 
3844 
12344 
6712 
4248 
10960 
11-2 
12 
4352 
1260 
2960 
2252 
1804 
1642 
2632 
2808 
2564 
2686 
10, 10, and 20 years . 
2632 
1600 
4232 
1599 
2165 
2818 
4983 
1832 
1784 
3616 
12 
13 
8694 
5380 
7066 
7010 
6384 
5200 
7286 
6185 
6678 
6432 
10, 10, and 20 years . 
7286 
3406 
10692 
7418 
6276 
3234 
9510 
6172 
3302 
9474 
13 
14 
8526 
6300 
6930 
6215 
5796 
5484 
7026 
5944 
6777 
6406 
8, 10, and 18 years . 
7026 
1974 
9000 
7206 
6258 
2124 
8382 
5382 
1692 
7074 
14 
15 
5976 
1746 
4326 
3659 
3780 
2928 
3276 
4038 
3913 
3968 
8, 10, and 18 years . 
3276 
1464 
4740 
3420 
3784 
2022 
5806 
2814 
2394 
52U8 
15 
16 
8316 
3714 
6384 
4475 
4662 
3294 
5040 
5058 
5332 
5210 
8, 10, and 18 years . 
5040 
1866 
6906 
4656 
6096 
2304 
8400 
4788 
2292 
7080 
16 
17 
6090 
2166 
4308 
3323 
3192 
2544 
3360 
3837 
3755 
3791 
8, 10, and 18 years . 
3360 
1452 
4812 
2880 
3738 
1788 
5526 
3084 
1590 
4674 
17 
18 
6230 
1640 
4250 
3740 
2932 
2512 
3900 
3908 
3301 
3604 
5£, 5J, and 11 years . 
3900 
1722 
5622 
3544 
4500 
2224 
6724 
3864 
1936 
5800 
18 
19 
4488 
4328 
3840 
4616 
4318 
4 years. 
4616 
2256 
6872 
4152 
4728 
2152 
6880 
4425 
1928 
6353 
19 
20 
4312 
4032 
3280 
4744 
4092 
4 years...... 
4744 
2368 
7112 
4248 
5144 
1856 
7000 
4774 
1576 
6350 
20 
