LUTHER BURBANK 



approach the grain seed in form, size, weight and 

 color. 



The seeds do not change their botanical 

 characters as farmers suppose, but having a hard 

 coat, may lie in the ground until a wet season when 

 the grain is destroyed and the darnel takes its 

 place. 



Many states have long maintained official seed 

 inspection for purity. Now there is a United 

 States law of similar nature. These laws have 

 been so well enforced that there is not so much 

 danger now of infesting land with weed seeds as 

 was the case a few years ago. 



Farmers who make a practice of buying grain 

 for seed from their neighbors or other persons who 

 have not had their seeds examined by inspectors 

 are likely to have their fields infested with noxious 

 weeds. From a small sample, the quantity and 

 kinds of weed seeds may be determined. This is 

 especially true of alfalfa, clover, and lawn 

 grass seeds. 



If the sample contains weed seeds, it had better 

 be rejected for there are always weeds enough to 

 contend with without sowing more. 



Grains, clovers, and grass seeds are far more 

 apt to have foreign seeds mixed with them than 

 any other class of seeds as they are usually 

 harvested by the wholesale, weeds and all, and it 



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