UTILIZATION AND RECLAMATION OF ALKALI LANDS. 467 



therefore be regarded only as approximations, subject to correction by 

 farther observation. They are arranged from the highest tolerances 

 downward, for each of the three ingredients, as well as for the totals. 

 The latter are not, of course, the sums of the figures given in the pre- 

 ceding columns, but independent data. 



HIGHEST AMOUNT OF ALKALI IN WHICH FRUIT TREES WERE FOUND 



UNAFFECTED. 1 

 Arranged from highest to lowest. Pounds per acre in four feet depth. 



OTHER TREES. 



Kolreuteria.... 5 i,o4o|K.6lreuteria 9,920 Or. Sycamore. ... 20,320 Kolreuteria 73,600 



Eucal. am 34,720 Or. Sycamore.... 3,200 Kolreuteria 12,640 Or. Sycamore .... 42,7*10 



Or. Sycamore.. . 19,240 I late Palm.. .... 2, 800, Eucal. am 2,g6o;Eucal. am 40,400 



Wash. Palm.... i3,o4o'Encal. am 2,72o!Camph. Tree 1,420 Wash. Palm 



Date Palm 5,500 Wash. Palm 1,200 



Campli. Tree. . . 5,280 Camph. Tree 320 



Wash Palm i, 040 Date Palm 8,328 



'Camph. Tree 7,020 



SMALL CULTURES. 



1 The several columns of figures are independent of each other; the "total " 

 alkali is not the summation for the three salts in the same line. 



2 Figures taken from Bulletin 169, Calif. Expt. Station, June, 1905. 



