6 SUGGESTIONS TO POTATO GROWERS ON IRRIGATED LANDS. 



SUMMARY. 



Cultivate the soil dwplv, making' a deep seed l)ed. Watch care- 

 fully the needs of the plants and irrigate as often as necessary, 

 using a minimum quantit}^ of water and a maximum amount of 

 cultivation. Provide deep furrows for irrigation, so as to stimu- 

 late the development of a deep rather than a shallow root sj^stem 

 in the plants. Use clean seed. Clear the fields of diseased vines 

 and rubbish at the close of the harvest season and use eveiy device 

 knoAvn to induce a rapid, continuous, healthy growth in the plants 

 from the time they appear above the ground until the crop is made. 



Approved : 



James Wilson. 



Secretary of Agriculture. 



Washington, D. C, December 4, 1911. 



ICir. 90] 



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