430 



THE FERTILITY OF SOILS IN THE TROPICS 



TABLE II. 



CROP RESULTS OF BANANA MANURING EXPERIMENTS, ON BUDERIM 

 MOUNTAIN, QUEENSLAND. 



ist Series. 



2nd Series. 



K = 160 Ib. K 2 O applied as 320 Ib. Potassium sulphate per acre. 

 N B = 40 Ib. N applied as 290 Ib. Dried blood per acre. 

 NN = 40 Ib. N applied as 290 Ib. Nitrate of lime per acre. 

 NA = 40 Ib. N applied as 200 Ib. Ammonium sulphate per acre. 

 P = So Ib. P 2 O 5 applied as 470 Ib. Superphosphate per acre. 

 P T = 80 Ib. P 2 O S applied as 470 Ib. Thomas's phosphate per acre. 

 2(KPN) means double above quantities. (KPN) means half quantities. 

 All manures applied twice a year, in spring and in autumn. 



Salt applied 2 cwt. per acre. Lime applied in two dressings of 2 tons limestone 

 screenings per acre. 



