CONTENTS. XXXI 



Wheat grown continuously on same land (unmanured) . 562 

 Table II. Results of first eight years . . .562 

 ii III. Results of subsequent forty years . . 562 

 Table IV. Wheat grown continuously with farmyard man- 

 ure (14 tons per annum) .... 564 

 ii V. Wheat grown continuously with artificial man- 

 ures 565 



Table VI. Experiments on the growth of barley, forty years, 



1852-91 566 



it VII. Experiments on the growth of oats, 1869-78 . 567 



ii VIII. Experiments on root crops Swedish turnips 568, 569 

 ii IX. Experiments on mangel-wurzel . . . 568, 569 

 .. X. Experiments with different manures on permanent 



meadow-land, thirty-six years, 1856-91 . . 570 

 .1 XI. Experiments on the growth of potatoes average 



for five seasons, 1876-80 571 



u XII. Experiments on growth of potatoes (continued) 



average for twelve seasons, 1881-92 . . . 572 



INDEX 573 



