WILTING COEFFICIENTS OF DIFFERENT SOILS'. 27 



Table XI. — Wilting coefficients of various soils for different plants — Continued. 



Soil and species or variety of plant. 



Soil No. 87 (sand). Moisture equivalent 

 £.48— Continued. 



Pea: Canada field, S. P. 1.19389 



Do 



Do 



Mean 



Mean for all determinations, soil No. 87. 



Probable error of mean 



Probable error of single observation 



Soil No. 2 (fine sand). Moisture equiva- 

 lent 4-66. 



Wheat: Kubanka, G. 1. 1440 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do. 



Mean 



Probable error of mean 



Probable error of single observation 



Sorgo: Red Amber. S. P. I. 17543 



Do 



Do 



Mean 



Mean for all determinations, soil No. 2. . 



Probable error of mean 



Probable error of single observation 



Soil No. 8 (fine sand). Moisture equiva- 

 lent 5.5. 



Corn: Boone County White, C. 1. 119... 



Do 



Do 



Mean 



Corn: Esperanza, M. 66 



Do 



Mean 



Sorghum: White durra, S. P. I. 24997. . . 



Do.. 



Do 



Mean 



Sorghum: Dwarf milo, S. P. I. 24970. . . . 



Do 



Do 



J 



Wheat: Kubanka, G. I. 1440 



Do 



Do 



Mean 



230 



Coef- 

 ficient. 



1.16 

 1.27 

 1.05 



1.16 



1.23 

 ± .041 

 ± .117 



2.5 

 2.7 

 2.8 

 2.6 

 2.7 

 2.7 

 2.6 

 2.6 

 2.5 

 2.6 

 2.4 

 2.7 

 2.6 

 2.7 

 2.7 



2.6 

 ± .02 



± .09 



2.3 

 2.6 

 2.3 



2.4 



2.6 

 ± .02 

 ± .10 



3.3 

 2.7 



3.4 



3.1 



3.5 

 3.7 



3.2 

 2.5 

 3.3 



3.0 



3.6 

 3.5 

 3.8 



3.6 



2.9 

 3.5 

 3.5 



3.3 



Soil and species or variety of plant. 



Soil No. 8 (fine sand) . Moisture eqviva- 

 lent 5.5 — Continued. 



Wheat: Bluestem, M. 169 



Do 



Do 



Oats: Kherson, G. I. 459 



Do 



Mean 



Oats: Swedish Select 



Do 



Mean 



Barlev: Beldi, G. 1. 190 



Do 



Mean 



Barley: Hannchen, G. I. 531 



Do 



Do 



Mean 



Rye: Giant Winter 



Do 



Do 



Mean 



Rice: Japan 



Do 



Do 



Mean 



Squash: Yellow Summer Crookneck 



Do 



Mean 



Pea: Canada field, S. P. I. 19389 



Do 



Do 



Mean 



Vetch: Vicia faba, S. P. 1, 15428 



Tomato: Livingston's Golden Queen. . . 

 Do 



Mean 



Lemon 



Abutilon 



Mean for all determinations, soil No. 8. . 



Probable error of mean 



Probable error of single observation 



Soil No. 9 (fine sand). Moisture equiva 

 lent 6.74- 



Corn: Boone County White, C.I. 119... 



Do 



Do 



Mean 



Coef- 

 ficient. 



2.8 

 2.8 

 3.0 



2.9 



3.3 

 3.7 



3.5 



2.6 

 3.0 



2.7 

 2.7 



2.7 

 2.8 

 3.7 



3.1 



2.8 

 2.8 

 3.1 



2.9 



2.5 

 3.1 



2.6 



2.7 



2.7 

 2.5 



2.6 



3.1 

 3.2 

 3.7 



3.3 



2.4 



3.2 

 3.3 



3.3 



2.9 



2.6 



3.03 

 ± .043 

 ± .28 



3.6 

 3.7 



3.8 



3.7 



