Plant-Food and Use of Fertilizers. 



163 



It is advisable to apply the nitrate of soda in two or three partial applica- 

 tions. Some authorities advise using potash in form of sulphate, especially when 

 the beets are grown for sugar. 



BLACKBERRIES. 



Relative proportions available plant- 

 food. Pounds per acre, f 



Nitrogen 15 to 30 | 



L 

 f 



Phosphoric acid 25 to 50-! 



r 



Potash 50 to 100- 



Pounds material for one acre. 

 90 to ISO nitrate of soda ; or 

 75 to 150 sulphate of ammonia ; 



225 to 450 fish guano ; or 

 3,000 to 6,000 stable manure. 



200 to 400 acid phosphate ; or 

 65 to 130 double superphosphate 



250 to 500 ground bone. 



100 to 200 muriate of potash ; or 



100 to 200 sulphate of potash ; or 



400 to 800 kainite ; or 



or 



or 



I- 1,000 to 2,000 wood ashes. 



broccoli. 



Relative proportions available plant- 

 food. Pounds per acre, f 



Nitrogen 40 to SO | 



Phosphoric acid 70 to 140 



\ 



Potash 90 to 180 . 



I 



Pounds material for one acre. 



240 to 480 nitrate of soda ; or 



200 to 400 sulphate of ammonia ; or 



600 to 1.200 fish guano; or 



8,000 to 16,000 stable manure. 



560 to 1,120 acid phosphate ; or 



175 to 350 double superphosphate ; or 



700 to 1,400 ground bone. 



180 to 360 muriate of potash ; or 



180 to 360 sulphate of potash ; or 



720 to 1,440 kainite ; or 



1,800 to 3,600 wood ashes. 



Best results are obtained by applying a portion of the fertilizers in imme- 

 diately available forms and the remainder in forms which gradually become 

 available during the growing season. 



Brussels Sprouts. — Fertilizers same as for broccoli. 



BUCKWHEAT. 



Relative proportions available plant- 

 food. Pounds per acre, f 



Nitrogen 12 to 24 j 



Phosphoric acid 25 to 50- 



Potash 30 to 60 



Pounds material for one acre. 



75 to 150 nitrate of soda ; or 



60 to 120 sulphate of ammonia; or 



180 to 360 fish guano ; or 



2,400 to 4,800 stable manure. 



200 to 400 acid phosphate ; or 



65 to 130 double superphosphate : or 



250 to 500 grotind bone. 



60 to 120 muriate of potash ; or 



60 to 120 sulphate of potash ; or 



240 to 480 kainite ; or 



L 600 to 1,200 wood ashes. 



Cabbage. — Fertilizers same as for broccoli. 

 Carrots. — Fertilizers same as for beets. 



CASTOR BEAN. 



Relative proportions available plant- 

 food. Pounds per acre, f 



Nitrogen 8 to 16 ] 



Phosphoric acid 32 to 64 



( 



Potash 32 to 64 



Pounds material for one acre. 

 50 to 100 nitrate of soda ; or 

 40 to 80 sulphate of ammonia ; or 



120 to 240 fish guano ; or 

 1.600 to 3,2U0 stable manure. 



250 to 500 acid phosphate : or 

 80 to 160 double superphosphate ; or 



320 to 040 ground bone. 

 65 to 130 muriate of potash ; or 

 65 to 130 sulphate of potash ; or 



250 to 500 kainite ; or 



650 to 1,300 wood ashes. 



