CUCUMBERS. 173 



seed in glazed or in parchment paper and place in a 

 tight box. 



As stated before, this seed has great vitality, conse- 

 quently we need not be uneasy if it has to be kept for 

 two or three years. If the usual markets will not take 

 it, we can open a market for ourselves in our own ter- 

 ritory. 



VARIETIES. 



There are many varieties that are commendable for 

 forcing, but for field culture none exceed in popularity 

 the Improved White Spine. (See Fig. 24.) For home 

 use an earlier variety, such as Early Russian or Early 

 Cluster, may be raised. 



FERTILIZER FORMULA. 



Nitrogen ................. ........ 5 per cent. 



Potash .............. .............. 8 " 



Phosphoric acid." .... ........... 7 " 



Use 1000 to 1500 pounds of the above formula per 

 acre. 



Care must be exercised that it is thoroughly incor- 

 porated with the soil. 



The following table will give the amounts of differ? 

 ent fertilizers necessary to obtain the desired amount 

 of each element : 



Element. Pounds of different material for one acre 



{ 800 to 1200 Iba. cotton-seed meal ; or 



Nitrnapn 50 tO 75 lbs - dl>ied bl d ' Or 



400 to 600 Ibs. nitrate of soda ; or 

 . J 250 to 325 Ibs. sulphate of ammonia. 

 f 1000 to 1500 Ibs. kainit; or 

 j 160 to 240 Ibs. muriate of potash ; or 

 Potash., ............. \ 160 to 240 Ibs. sulphate of potash ; or 



300 to 450 Ibs. sulphate of potash and sul- 

 phate of magnesia. 



Phosohoric acid / 90 to 130 lbs ' acid P hos P hat e ; or 

 ld " 



700 to 1000 Ibs. dissolved bone. 

 The amounts of the above fertilizer elements should 



