62 



GARDENING FOR THE SOUTH. 



Enough has been stated to show the necessity of a 

 change of crops, and the following are found the best 

 rules to observe in practice : 



1st. — Crops of the same species, and even of the same 

 natural order, should not succeed each other. 



2d. — Plants with perpendicular roots should succeed 

 those with spreading and superficial roots, and vice versa. 



3d. — Crops which occupy the soil for several years, like 

 asparagus, rhubarb, etc., should be followed by those of 

 short duration. 



4th. — Two crops alike favorable to the growth of weeds 

 should not occupy the soil in succession. 



5th. — Crops abstracting largely from the soil the sul- 

 phates, phosphates, and nitrogenous principles, should not 

 follow each other immediately, but be succeeded by those 

 which draw less from the soil and more from the atmos- 

 phere. These exhausting crops should follow and be fol- 

 lowed by those which bear and will profit by heavy ma- 

 nuring. 



6th. — Plants grown for their roots or bulbs should not 

 follow those grown for the same purpose, and still less 

 should plants grown for their seeds follow each other di- 

 rectly in succession. 



The following are found in practice to be convenient 

 crops to succeed each other in rotation, beginning after an 

 application of manure, viz. : Onions, lettuce, cabbage, car 

 rots, manure ; or, turnips, celery, peas, potatoes, manure. 



The following is also a very good rotation : 



1. The cabbage tribe to be followed by 



2. Alliaceous plants, as onions, leeks, etc., to be follow- 

 ed by legumes, as beans or peas. Peas may be followed 

 the same year with celery. 



3. Tap-rooted plants, as carrots, beets, parsnips. 



4. Surface roots, as onions, potatoes, turnips. 



5. Celery, endive, lettuce, spinach, etc. 



Celery is excellent to precede asparagus, onions, cauli- 



