376 WEEDS. 23. 



but when once they have bound themfelves 

 to the furface with innumerable ligatures, 

 FALLOWING IS the Only means of deltru6:ion. 

 In this caie it is obfervable, that the harrow 

 may be ufed in the firft ftages of the fallow 

 with proj^vriety (thereby fhortening its conti- 

 nuance), provided no other root-weeds are to 

 be at the fame time deflroyed. Skimming the 

 furface wdth the plow, the horfe-hoe, or the 

 paring-fpade, is more eiTed:ual againft thefe 

 weeds than deep plowing. 



Trees and Shrubs. Thefe are doubly 

 injurious to corn : in occupying the foil, and 

 in forming obftiudiions to the plow and har- 

 row. Thofe which throw up fuckers are alfo 

 burthenfome to the crop. 



If the ash, the asp, or the fine-leaved elm 

 abound in hedges, — either the adjoining in- 

 clofures fhould be kept in grafs, or, previous 

 to their being plowed up, the fur face-root $ 

 fhould be cut offhy a trench dug at a fuitable 

 diftance from the hedge, tracing the larger 

 roots, and filling up the trench. When the 

 fmaller roots are rotten, break up j and as oftca 

 as a frcfli flock of roots become troublefome, 

 repeat the operation. 



But 



