Arr.] Report of Experiments on the Growth of Wheat. 183 
Wheat Year after Year on the same Land. 
(and Chaff), in lbs., per Acre, per Annum. 
Harvests. 
Average. 
1855. 
1856. 
1857. 
1858. 
1859. 
1860. 
1861. 
1862. 
1863. 
Of 
20 Years, 2 
1844-63. 
Of last 
12 Years, 
1852-63. 
Plots. 
lbs. 
1726 
1890 
3845 
1787 
IS 32 
lbs. 
1969 
1933 
4317 
1558 
1731 
lbs. 
1545 
1532 
3323 
1577 
1572 
lbs. 
1902 
1630 
3837 
1670 
1673 
lbs. 
2310 
2300 
4810 
2175 
2230 
lbs. 
1445 
1380 
3440 
1459 
1520 
lbs. 
1768 
1387 
3101 
1254 
1330 
lbs. 
2030 
1748 
4195 
1713 
1662 
lbs. 
1825 
1745 
4279 
1600 
1654 
lbs. 
2072 
1965 
3515 
1693 
2125 
lbs. 
1846 
1767 
3869 
1662 
1732 
0 
1 
2 
3 
4 
1819 
2012 
1617 
1532 
2323 
1580 
1493 
1840 
1687 
2345 
1856 
5a 
loUU 
J. LZ2S 
1 -o- 
1 / OO 
^oy o 
iODU 
l r. l n 
1 0 1U 
l sen 
1 t uo 
_ nu i 
5!> 
2837 
3037 
3911 
41 5S 
3838 
4342 
3050 
3093 
4560 
4398 
5182 
5089 
2757 
2757 
3680 
3891 
4297 
4450 
2577 
2713 
3965 
4092 
4667 
4667 
3747 
3853 
4677 
4803 
5353 
5597 
2183 
2393 
3003 
3137 
3880 
3813 
2573 
2683 
3501 
3555 
3913 
3795 
2839 
3100 
3906 
3913 
4723 
4635 
3714 
3716 
5853 
5878 
6715 
6489 
2909 
3044 
3776 
3830 
3862 
3977 
2957 
3067 
4187 
4236 
4706 
4725 
6a 
66 
7a 
76 
8a 
86 
394G 
3875 
3867 
4317 
5270 
4777 
4445 
6050 
6312 
3739 
4426 
9 a 
3212 
3152 
2983 
2688 
3590 
3130 
2170 
3256 
4197 
2998 
3187 
96 
2512 
3208 
2434 
3153 
3538 
4010 
3503 
3870 
3577 
4003 
2818 
31G8 
3517 
3443 
3S47 
3725 
3743 
3651 
4202 
4117 
2392 
2875 
2943 
2920 
3647 
3583 
3707 
3647 
365S 
3G52 
2130 
2615 
2797 
3018 
3663 
3673 
3693 
3677 
3737 
3710 
2730 
3420 
3527 
3577 
4550 
4743 
4737 
4807 
4763 
4700 
2213 
2360 
2503 
2693 
3230 
3087 
2993 
3037 
3053 
3103 
1930 
21G3 
2577 
2645 
3192 
3337 
3318 
3490 
3377 
3303 
2593 
2843 
2842 
2873 
3649 
3609 
3589 
3672 
3397 
3550 
3481 
4056 
4233 
4459 
5443 
5365 
5739 
5799 
5459 
5299 
2656 
2SG6 
3124 
3176 
3617 
3607 
35S2 
3632 
3609 
3615 
2603 
3061 
3181 
3285 
3932 
3962 
3945 
4033 
3983 
4019 
10a 
106 
11a 
115 
12a 
126 
13a 
136 
14a 
146 
3825 
4222 
3521 
3752 
3687 
3778 
3515 
3698 
4773 
4993 
2877 
3090 
3318 
3478 
3396 
3758 
5162 
5113 
3499 
3669 
3795 
4028 
15a 
156 
45.34 
4991 
5529 
5467 
4683 
4703 
4797 
4813 
5927 
5793 
4117 
4207 
4423 
4343 
4527 
4497 
7007 
6725 
4441 
4511 
5152 
5151 
16a 
166 
197C 
1804 
4017 
4215 
3558 
34G5 
2012 
1938 
2058 
1940 
3443 
3365 
3203 
3274 
2008 
1967 
24S3 
2373 
4533 
4650 
2700 
2970 
1720 
1743 
1753 
1G63 
3094 
3324 
3030 
3077 
1993 
2140 
1918 
1903 
4883 
4728 
3060 \ 
2988 j 
3065 \ 
3096 J 
1985 4 
3755 4 
\m\ 3 
\185J 
3851 
3562 
3193 
31S5 
4023 
2743 
3238 
2653 
4523 
3416 
3521 
19 
1831 
2419 
2457 
18S8 
2529 
2498 
1564 
1815 
1807 
1730 
2373 
2180 
2217 
3185 
2980 
1433 
1746 
1567 
1468 
1G40 
1957 
1517 
2192 
2180 
1472 
2483 
2692 
1807 
2298 
2266 
1714 
234.3 
2308 
20 
21 
22 
4 The average given for Plots 17 is that of 12 years mineral manure succeeding ammonia-salts 
(Plots 17 or 18) ; and that given for Plots 18, of 12 years ammonia-suits succeeding the mineral 
manure (Plots 17 or 18). 
