CONTENTS. 
( 'iuti \n No. 8 The Smi ra of Soroih m. 
[ntroduction • , 
Kin _" 1 1 1 m i .- 1 1 1 n I s 
i i rain, or kernel, mi nit 6 
Treatment of grain smut 6 
formalin treatment 6 
Hot-water treatment "> 
Copper sulphate treatment v 
Head smut s 
Recommendations s 
Circular No. 9 Texas Rooi Ro Field Experiments in 1907. 
[ntroduction :! 
Cause of root rot 3 
Reproduction and distribution of the fungus 3 
VIethods ol control ' 
Rotation of crops 4 
deration of the soil by deep fall plowing 5 
Summary ' 
Conclusions ~ 
Circi'i. m: No. 1". Notes on \>u\ Farming. 
1 Iry-land agriculture in Mi 'in. ma 1 
Plowing with gas iline traction engines - 
Dry-land agriculture in Utah ; 5 
Drj -land agriculture in Colorado • 
Circular No. 11. Danger in Judging Cotton Varieties by Lini Percent- 
ages. 
[ntroduction 3 
Smaller or lighter seeds raise lint percentage 5 
Ld vantage of large seeds and large seeded varieties 6 
Advantages of heavy seeds 8 
Higher lint percentages with diminished fertility s 
Largi yields without high percentages 9 
I [igh quality with low percentages II 
True st tndard of yield in cotton 12 
A lint index for judging varieties I- 
Conclusions 15 
Cibcux u; No. L2. Hi:', -Land Grains. 
[ntroduction ; 
1 liversity of crops necessary ; 
I o i ley ' I 
Oats I 
Spelt and emmer 5 
grain si irghums 
Rye 6 
Minor crops 7 
Wheat the principal crop 
Che arid region 7 
The great « heat groups s 
The hard spring- wheat group s 
The durum w heats 
iwing popularity of durum wheats 9 
