Artificial manures; their chemical selection and scientific application to agriculture . All the pots were dresMd vitb oonnalmaDure, minos the tiro alksiies, potash andsoda. These vere afterwards added, alone ormixed, nnder two diiferent condiiioas, as nitratesused alone, or as nitrate mired with pMaaaicsilicate. No. 1. TOUSBIC NiTBaiK. Go. Straw 188 Grain « 231 So. 2. SODIC XlTBAT^ Ges. Straw 110 POTAStC yiTKATB, POTASIC SlUCAJS. Stow 269 Giain ~~ 346 So- 4. POTASSIC SlTRATS, SODIC SlTRArS,POTASSIC SlUCiTS- Straw 2« 315 ACTION OF FERTILISING AGENTS 341 from those two examples that po
Artificial manures; their chemical selection and scientific application to agriculture . All the pots were dresMd vitb oonnalmaDure, minos the tiro alksiies, potash andsoda. These vere afterwards added, alone ormixed, nnder two diiferent condiiioas, as nitratesused alone, or as nitrate mired with pMaaaicsilicate. No. 1. TOUSBIC NiTBaiK. Go. Straw 188 Grain « 231 So. 2. SODIC XlTBAT^ Ges. Straw 110 POTAStC yiTKATB, POTASIC SlUCAJS. Stow 269 Giain ~~ 346 So- 4. POTASSIC SlTRATS, SODIC SlTRArS,POTASSIC SlUCiTS- Straw 2« 315 ACTION OF FERTILISING AGENTS 341 from those two examples that potash is sometimes capable of replac-ing soda, but it remained to be determined whether the conversewould hold good, that is to say, whether soda could be substitutedfor potash in certain plants, and whether they would sutler by suchsubstitution. With respect to corn I have no hesitation in sayingat once that the use of soda, to the exclusion of potash, seriouslyinterferes with the gi-owth of the plant, the crop falling to three-quarters. For this purpose I invoke the testimony of t
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