246 SOUTUERN FIELD CROPS 



(3) If a field of any class or variety of sorghum can be in- 

 spected, make record of the following : — 



(a) The apparent impurity, or percentage of plants which 

 seem to belong in a different class or -I'ariety ; 



(6) Effects on the size of heads and size of stalk due to wide 

 or close spacing of plants. 



(4) If a field of kafir or milo can be inspected, note whether 

 there is uniformity in the height of plants and time of ripening. If 

 not, does this diversitj' interfere with the local method of harvest- 

 ing the seed ? 



(5) If fields of saccharine sorghum are a^^'ailable, cut short 

 sections of the same row when the plants are at different heights, 

 or stages of maturity ; record the weights and condition when 

 cut, and a month or two after each cutting, note tlie effects of 

 cutting at diffei'cnt stages on the height of the second growth. 



Literature 

 Saccharine sorghums. 



Ball, C. R. U. S. Dept. Agr., Farmer's Bui. Xo. 240 : Circ. 



.50. 

 Newman, J. S., and others. Sorghum as a Sirup Plant. S. C. 



Expr. Sta., Bui. No. SS. 



Wonsaccharine sorghums — kafir and milo. 



Warburton, ('. W. The Nonsaccharine Sorghums. V. S. 



Dept. Agr., Fai-mer's Bui. No. '2SS. 

 Conner, A. B. Forage Crops in Nordnvest Te.vas. Tex. 



Expr. Sta., Bui. No. 103. 

 Ball, C. R., and Leidigh, A. 11. ^lilo as a Dry-land drain 



Crop. U. S. Dept. Agr., Farmer's Bui. Xo. 3'22. 

 Freeman, E. M., and Umbkhciok, H. .1. ('. The Snuils of 



SorghuuL F. S. Dept. Agr., I^urc-au Plant Ind., Circ. 



No. 8. 

 Roberts, H. F., and Freem.vn, C. F. Prevention of Sorghun; 



and Kalir Corn Smut. Kan. Expr. Sta., Bul. No. 140. 



