Artificial manures; their chemical selection and scientific application to agriculture . Straw and rootsSeeds . . 78 Grains . 81 4 85 APPENDIX ACTION OF CONSTITUENTS OF PLANT PRODUCTION. EXPEBIMENTAL CULTIVATION IN CALCINED SAND. STIMULATING Ma HUU08 I ACTIVE CULTIVATION. This of eiperi- glazed porcelain pota whichhad been previously soakedin melted wax in order toprotect plants from thesaline exudations whichfonn on ordinary clay these conditions thegrowth ia not bo active andthe yield is less; but the re-sults are more exact, betterdefined, a


Artificial manures; their chemical selection and scientific application to agriculture . Straw and rootsSeeds . . 78 Grains . 81 4 85 APPENDIX ACTION OF CONSTITUENTS OF PLANT PRODUCTION. EXPEBIMENTAL CULTIVATION IN CALCINED SAND. STIMULATING Ma HUU08 I ACTIVE CULTIVATION. This of eiperi- glazed porcelain pota whichhad been previously soakedin melted wax in order toprotect plants from thesaline exudations whichfonn on ordinary clay these conditions thegrowth ia not bo active andthe yield is less; but the re-sults are more exact, betterdefined, and more fitted toelucidate the laws of vege-tation which are the safestguide upon which practice Man UK E. OALOIC CARBONATE. Manure Manu. Matter only,without nitroqenousMatter. 1859. Normal Manure Potash. Manure 1860. Normal Manub Phosphate 1858. 1860. CiLOUTKD Sand. Sa^-d Humits.


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