The removal of chlorate from soil and porous materials

✍ Scribed by Pizer, N. H. ;Shea, M.

• Publisher: Wiley (John Wiley & Sons)
• Year: 1941
• Weight: 237 KB
• Volume: 60
• Category: Article
• ISSN: 0368-4075
• DOI: 10.1002/jctb.5000600904

✦ Synopsis

247

grnss, deep green in colour, which persisted lnte into autumn, whilst the grass of the control plots withmed. Two good crops were collected during the suinnicr, tlie grass lnnd lieing reninrknbly free froin weds niid legiinies.

Tlic rcsult,s were unnffected by replacing the ferrous nininoiiium sulplinte by a finely-ground inixture of aninioniuin sulphate nnd ferrous sulplinte in equinioleculnr proportious. Results were less satisfactory, however, wlien plots were trented with aninioiiiuni siilphnte niid ferrous sulphutc (irrespective of the order of applicntion), nn intervnl of one week being nllo\ved betwern the trentnicnt with ench salt.

Susrmnr

(1) The coniposite activity of cnlciuni cnrbi$c is determined by its dccoinpositioii products-acetylene nnd cnlciuni hydroxide.

(2) The nutritive, stnbilisiiig, and phytolioriiioiie-like function of cnlciuni cnrbide pliices i t in an iiiterniediiite posit.ion between nnturnl nnd nrtificinl fertilisers.

(3) The utility of cnlciuni cnrbide ns n fertiliser is dependcut on environniciitnl conditions. Benefirjnl iu the cnsc of heavily ninnured sour soil, it nppronchcs lime in its effect 011 ncutrnl rough pnsture In~id, whilst in tlie ense of nioorlnud i t eserts a detriinentnl iiillucuce.