\ 



290 



AERATION AND 



Sect. XII. 6. 



with excavations in th 



rim 



which rim rifes above the furface of 



the corn in the feed- box, and lets drop again into the feed-box, what 

 ever grains fill the holes above the level of the rim, as that fide of th 

 cylinder afcends. Whence the quantity delivered is uniform, and n 



the way to be bruifed or injured, as explained at larcy 



g with the 



print 



d th 



fmall expe 



hole machine is fimple, and of 



6. The moft efFedual method of obtaining the great combined ad 



ges of aeration and pulverization of the foil is by tranfpl 



o 



the roots of wheat, and parting them, as already fpoken of in Sedl. IX 

 3. 7. By taking up the roots and replanting them in foil lately turn- 

 ed over, and confequently expofed to the air, which is now confined 

 in its interftices, all the advantages already mentioned are effedually 

 received, from the new made fluid, carbonic, nitrous, and phofphoric 

 acids, and from the ammonia, and other unnamed combinations. Se- 

 condly, all the advantages arifing from the eafy penetrability of the 

 loofe foil by the root-fibres, which are believed by Mr.Tull to put out 

 more radicles with abforbent mouths at 



dilTevered 



ke 



■ 



bru(h or pencil of h 



every part, where they ar 

 Thirdly, by parting th 



fcions from each other they acquire greater fpace of air for th 



refpiring leaves, and of foil for their abforbent 



Whereas wh 



many ftems arife from one root, or many feeds are fo 



near 



?eth 



o 



a 



ffock is produced 



form rifing higheft in 



the center ; which feems to be occafioned by the cdntefl of the flem 

 for' air and light ; their roots alfo muf^ defcend lower in their contefl 



for moift 



d for other advantages of the foil 



; whence many of 

 thefe crowded Items become barren, producing no ears, or ill^corned 



ones. 



Another benefit from tranfplanting corn is owing to the quicker 

 tendency to fructification, and confequent fooner ri 



grain 



pening 



of the 

 Thus tranfplanted garden beans and tranfpiarited brocoli 



flower fogaer, and I fuppofe produce lefs flems or jftraw, 



as men- 

 tioned 



