126 INVESTIGATIONS ON ROTHAMSTED SOILS. 
Table 67,—Broadbalk wheat soils — Continued. 
SECOND 9 INCHES. 
1865. 
1881. 
1893. 
Per cent. 
Pounds 
per acre. 
Per cent. 
Pounds 
per acre. 
Per cent. 
Pounds 
per acre. 
0.0761 
.0712 
.0696 
.0670 
.0684 
.0671 
.0598 
.0696 
.0765 
.0778 
.0789 
.0765 
.0747 
.0791 
.0686 
.0748 
.0809 
.0708 
.0731 
.0701 
.0776 
2,033 
1,902 
1, 859 
1,790 
1,827 
1, -92 
1,597 
1,859 
2,044 
2,078 
2, 108 
2,044 
1,995 
2, 113 
1,833 
1,998 
2, 161 
1,891 
1,953 
1,873 
2,073 
Plat 2b - 
0. 0810 
.0738 
2,164 
1,971 
0.0742 
.0681 
. 0644 
.0698 
.0684 
.0692 
.0718 
.0717 
.0689 
.0672 
.0681 
.0736 
.0729 
.0707 
.0695 
.0711 
.0654 
.0721 
.0743 
.0797 
1,982 
1,819 
1,720 
1,865 
1,827 
1,8,49 
1,918 
1,915 
1,841 
1,795 
1,819 
1,966 
1,947 
1,889 
1,857 
1,899 
1,747 
1,926 
1.9S5 
2,129 
Plat3 - -.- 
Plat 4 ... 
Plat 5 
.0715 
1,910 
PlatG 
Plat 7 - 
.0707 
1,889 
Plat8 -- --- - 
Plat 9a — 
.0757 
2,022 
Plat 9b - 
Plat 10a 
.0730 
1,950 
Plat 10b - ... 
Plat 11 
.0762 
.0758 
.0722 
.0814 
2,036 
2,025 
1,929 
2,174 
Plat 12 
Plat 13 
Plat 14 
Plat 16. 
.0786 
2,100 
Plat 17 
Plat 18 
Plat 19 
THIRD 9 INCHES. 
Plat 2a 
0.0645 
.0628 
.0594 
.0573 
.0560 
.0558 
.0527 
.0587 
.0609 
.0649 
.0678 
.0682 
. 0622 
.0676 
.0566 
.0635 
.0578 
.0606 
.0606 
. 0(506 
.0697 
1,801 
1.753 
1,658 
1,600 
1,563 
1.558 
1,471 
1,639 
1,700 
1,812 
1.893 
1,904 
1.736 
1,887 
1,580 
1.773 
1,613 
1,692 
1, 692 
1,692 
1,946 
Plat 2b 
0.0619 
.0561 
1,728 
1,566 
0. 0576 
.0550 
.0563 
.0572 
.0557 
.0563 
.0606 
.0603 
.0568 
.0574 
.0620 
.0617 
.0618 
.0566 
.0607 
.0612 
. 0604 
.0629 
.0596 
.0639 
1,608 
1,535 
1,572 
1,597 
1,555 
1,572 
1,692 
1,683 
1,586 
1,602 
1,731 
1,722 
1,725 
1.580 
1,694 
1,708 
1,686 
1,756 
1,664 
1,784 
-• 
Plat 3 
Plat4._ 
Plat5 
.0612 
1,708 
Plat 6 
Plat 7 
.0613 
1,711 
Plat 8 
Plat 9a 
.0620 
1,731 
Plat 9b 
Plat 10a 
.0637 
1,778 
PJat 10b 
Plat 11 
.0(513 
.0627 
.0584 
.0637 
1,711 
1,750 
1,630 
1,778 
Plat 12 
Plat 13... 
Plat 14 
Plat 15 
Plat 10 
.0620 
1,731 
Plat 17 . 
Plat 18 
Plat 19 
