WATEB REQUIREMENT OF DIFFERENT KINDS OF PLANTS. 
81 
Table LXXI. — Summary of waier-requireme ts of varieties and crops at 
Akron. Colo.. 1911. according to Briggs and Shantz (1913, p. 
Based ox Weight of Dry Matter Produced. 
Variety. 
Oats. 
[Burt 
I Swedish Select. 
I Sixty-Day 
Canadian 
Buckwheat. 
Barlev 
Beardle^ 
Beldi 
White Hull-less. 
Hannchen 
tEmmer 
Bluestem 
Spring Ghirka. 
Gatealos 
Kubanka 
Potatoes Irish Cobbler 

Kleinwanzleben. 
Corn . 
I Iowa Silvermine ... 
^Northwestern Dent. 
lEsperanza 
Weeds. 
Sorghum. 
Amaranthus retroflexus. 
Salsola pestifer 
Amaranthus graecisans. 
' Dwarf milo 
White durra 
Brown kaoliang 
Red amber 
Blackhull kafir 
fl££b- 
\ German. 
Water requirement. 
Variety. 
Relative, 
Crop. <">^ 
wheat. 
1 - 
8 
■-- 
1 
211 
....... 
Canada 

765-24 
151 
Rve 
Spring 
724=7 
709±9 
143 
iweet clover 
140 
544-9 
543 ±2 
542-3 
S27±« 
534=14 j 
531 ±5 
506±3 
496±4 
4- 8±8 
44>=11 
441 ±12 
377±8 
420 ±3 
319±5 
356=4 
336 ±5 
275=7 
333 = 3 
321 = 2 
301±3 
296±4 
278±5 
287±2 
263±15 
539 
' ' 
441 
114 
106 
100 
GO 
Based ox Weight of Grain Produced. 
Peas. 
Rye. 
Oats. 
Canada 221-=: 
Spring 2215=37 
[Canadian 2204± 140 
I Swedish select 1632=35 
I Burt 1500= 57 
[Sixty-Day 138 
r Bluestem 17S6±60 
Spring Ghirka 1383 
2,218 
2.215 
• 
163 
163 
124 
Wheat 
< Galgalos 
1245=13 
1191- 14 
1180±42 
147" - 
12K 
115-5= 18 
1134=27 
1037 ±33 
92 i 
112. 
806 ±12 
803 i 
726=12 
[ 1.244 
1.037 
- 
^ 790 
100 
Kubanka 
[Enimer 
{ White Hull-less 
Barley 
Buckwheat 
iBeardle- 
1 Beldi 
1 Hannchen 
- 
7n 
Millet 
Kursk 
( Dwarf milo 
I White durra 
- 
fcorghum 
] Blackhull kafir 
- 
1 Brown kaoliang 
97991°— Bui. 285—13 u 
