WILTING COEFFICIENTS OF DIFFERENT SOILS. 29 



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



Soil and species or variety of plant. 



Soil No. 3 (sandy loam ) . Moisture equiva- 

 lent 9.7 — Continued. 



Mean for all determinations, soil No. 3. . 

 Probable error of mean 



Probable error of single observation — 



Soil No. 10 (sandy loam). Moisture equiva 

 lent 12.0. 



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

 Do 



Mean 



Corn: Esperanza, M. 66 



Do 



Do 



Mean 



Sorghum: White durra, S. P. 1. 24997. . . 



Do 



Do 



Mean 



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



Do 



Do 



Mean 



Wheat: Kubanka, G. 1. 1440 



Do 



Do 



\ 



Wheat: Bluestem, Minn. 169 



Do 



Do 



Mean , 



Oats: Kherson, G. I. 459 



Oats: Swedish Select 



Do 



Do 



Mean 



Barley: Beldi, G. 1. 190 



Do 



Mean 



Barley: Hannchen, G. I. 531 



Do 



Do 



Mean 



Rye: Giant Winter 



Do 



Do 



Mean 



Eice: Japan 



Do 



Do 



Mean 



Squash: Yellow Summer Crookneck 

 Do 



Mean 



230 



Coef- 

 ficient. 



4.8 

 ± .07 

 ± .27 



6.4 

 6.6 



6.5 



6.2 

 6.6 

 7.0 



6.6 



6.2 

 6.1 

 5.1 



5.8 



5.8 

 5.6 

 6.4 



5.9 



5.9 

 6.9 

 6.1 



6.3 



— 



5.7 

 6.7 

 6.1 



6.2 



5.9 



6.2 

 6.2 

 6.4 



6.3 



6.9 

 5.6 



6.3 



6.1 

 6.4 

 5.9 



6.1 



5.7 

 5.9 



6.0 



5.9 



5.7 

 5.1 

 5.9 



5.6 



6.2 

 6.5 



6.4 



Soil and species or variety of plant. 



Soil No. 10 (sandy loam). Moisture equiv- 

 alent 12.0— Continued. 



Pea: Canada field, S. P. 1. 19389 



Do 



Do 



Mean 



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



Do 



Si 



Tomato: Livingston's Golden Queen 



Tomato: Stone 



Do 



Mean 



Colocasia 



Do 



Do 



Mean 



Mean for all determinations, soil No. 10.. 



Probable error of mean 



Probable error of single obervation 



Soil No. 82 (sandy loam) . Moisture equiv- 

 alent 14..5. 



Vetch: Vicia villosa 



Vetch: Vicia fulgens, S. P. I. 21502 



Do 



Do 



Mean 



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



Do 



Do 



Mean 



Pea: Canada field, S. P. 1. 19389 



Do 



Mean 



Alfalfa: Grimm, S.P.I. 25695 



Mean for all determinations, soil No. 82.. 



Probable error of mean 



Probable error of single observation 



Soil No. 4. (fine sandy loam). Moisture 

 equivalent 18.1. 



Wheat: Kubanka, G.I. 1440 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Do 



Mean 



Probable error of mean 



Probable error of single observation 



Coef- 

 ficient. 



6.9 

 7.0 



6.5 

 5.6 



6.8 

 6.9 



7.8 

 7.9 

 7.3 



± .06 

 ± .41 



6.5 

 7.2 

 6.8 



6.8 



8.8 



7.6 

 8.2 



8.2 



8.2 

 8.9 



8.6 



7.8 



7.8 

 ± .17 

 ± .54 



9.7 

 9.7 

 9.9 

 10.1 



9.6 

 9.3 

 9.4 

 9.4 

 9.3 

 9.3 

 9.4 



9.6 



± .05 

 ± .18 



