COJVTEATS kv 



CHArTKK XI 

 SYSTKMS OK MANURING CROPS 



High and Low Fanning— Fertilising Constituenu remo\-e<l '*"■ 

 in Meat and Com — Lo*^e* of Nitrogen increased when 

 Land «» 'n h'jjh (onHition—Nf enures for Wheat — 

 Barley: I itj— Root Crops; 



Swedes, '• 'Hre of Farmyard 



Manure ' Ueans, 



riorrr, I :ih»ers — 



r ■ Mir itoianical 



p for Hay — 

 I'l.'.::*- r ruit — ( iarden 



'■* for 'I ■ nd Scmi-Tropical 



C ri'; ■ I. .inc, Tolxacco, > ov.on, Tea . . 300 



CnATTKR XII 



THE VALUATION AND PURCHASE OF 

 KKRTILISKRS 



Valuation on the ' - < urrent Market Prirc 



of the Unit of .tie of Lime and Potash 



— Variations in l:..; Wiluci due to Market Fluctuations 

 — Valuation of Frrttlivrs l>eforc Pun has* — The 

 Ferr iT* Art ; • ns of the 



Veri nents o( : -Mixed 



f. rnniixcd l-crMiCfi Incompatible^ Residues of 

 Fertilisers after the (irowth of one or more Crops — 

 Valuation of unexhausted V- derived from the 



Consumption of pufL based 1 ".uflTs . . 340 



CHATTKR XIII 



THE CONDUCT OK LXILKIMENTS WITH 

 KEKTILISEKS 



Magnitude of Experimental Error involved in Field Experi- 

 ments—Choice of Land for P'icld Experiments— Size 

 and Shape of IMots — Machines for sowing Fertilisers — 

 Should Farmers conduct Experiments upon their own 

 Land? ....... 339 



Index 378 



