[ 294 3 



Without hoeing, we fhould get a produce on 

 our bell lands of, perhaps, two, three, or at moft 

 four tons on an acre, and that chiefly leaf. With 

 Jioeing, we get from twenty to thirty-five tons of 

 root only ; and if leaf were an objed:, much more 

 than is ever gained without. The difference in 

 the mere quantity of the crops, therefore, would 

 alone be an argument powerful enough to be per- 

 fuafive to men who will give their ufiderflandings 

 any play; but there are other circumftances not 

 lefs important, that ought to be taken into con- 

 lidcration. 



The hoeing not only thins the turnips, and 

 makes them large, but it defl:roys all weeds that 

 may have rifen in the field from the laft ploughing ; 

 a fecond hoeing repeats this; and in favourable 

 feafons a third may be given ; fo that one great 

 objeft (the greateft in my opinion) of fummer fal- 

 lowing, that of killing weeds, is better anfwered 

 than it can be by ploughing. Whoever will coolly 

 confider this point, cannot fail to admit the great 

 efficacy of t'lis improved hufbandry. 



I muft (lill view this objedl in yet another light. 

 Summer fallowing is attended in various cafes with 

 a very bad effcdl. There is reafon to believe, that 

 the adion of the fun-beams impoveriflies land 



when 



