MANURES 53 



available from most factories. The blowings from rice-mills, 

 a very fine dust consisting of particles of bran, husk, etc., 

 may be used with good effect, while the effluent from rice 

 mills could be used for irrigation. 



Village earth (Pati mannu). 



H 2 420 



Organic 4*22 



Sand 7551 



Fe 2 8 and A1 2 0, 9*82 



CaO 2-60 



MgO -78 



K 2 139 



Na 2 -32 



P 2 5 -69 



C0 2 '32 



Total ... 99-825 



N -094 



Village earth. — This may be scraped or brushed from old 

 walls, or dug from pits in old village sites and consists of a 

 greyish powdery earth containing nitrogen, potash and phos- 

 phoric acid. It varies largely in composition and is used for 

 {>addy and cane, to the former of which crops it has been very 

 argely applied in the Kistna. 



Ashes. 



P 2 5 K 2 



Cane trash -78 2*51 



Cotton stalk ash 1*77 935 



Villaqe refuse. — This again is a manure which varies very 

 largely in quality. It consists of house sweepings, dung, 

 ashes, and refuse fodder and is the most commonly used man- 

 ure in South India. If cattle dung largely predominates it is 

 called cattle manure, but is nearly always obtained in a dry 

 and powdery condition. 



. Green manures (fresh). 



N per cent. 



Sunnhemp '708 



Dhaincha -619 



The value of these leguminous crops lies partly in the 

 addition they make to the nitrogen in the soil and partly in 



