PLACE OF INTENSIVE FARMING 



study of his soil and climatic conditions and 

 has received the highest possible expert 

 assistance in choosing the varieties best 

 adapted to his conditions. 



There is an increasing tendency to 

 specialize in vegetable growing. The pro- 

 duction of celery, onions, muskmelons, 

 watermelons, cabbages, cauliflowers, toma- 

 toes and sweet corn, to mention only some of 

 the most striking examples, are becoming 

 more and more localized. Even where 

 vegetables and flowers are grown under 

 glass, not only is each house devoted to a 

 single species, but, notably in the case of 

 roses, growers are restricting themselves 

 more and more to a few varieties. This is 

 due to the fact that it is impossible to give 

 in one house, or even in one establishment, 

 the special set of conditions required for the 

 most economic development of each species 

 or variety of plant, just as in the open air 

 the natural conditions are best adapted to a 

 limited number of horticultural products. 



So much being admitted, it follows that 

 it is folly to attempt to grow plants under 

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