| Show flow now antl aben fertilizers to use ground none sulphate Sulp hafe of ammonia Anini onla as a biant rood tho the new now jersey stations valuation of tho the year 1801 1891 for the nitrogen and phosphoric acid acia in ground bone of the tile different grades of fineness is about le 10 percent per cent lower than in 1890 ground bone is in good repute among farmers fan ners arid many when buying complete completo fe fertilizers artil reject those brands in tile preparation of which bono bone has not been tho the chief material used tho the reasons for this aro are ascribed to toa u dickof familiarity with the phosphates from other sources tho the development and use of which have been comparatively recent and also to a more mote permanent effect observed from tho the ua us of bone an important consideration in tho uso of manures manur Vs especially specially on pool 1101 lands is permanent enrichment D ri climent bonn bollo is suited 10 atteln and ottili mator iala ann hotbo wall substituted for it alpi although ough they may bo i called by the tile came name and bo be quite as valuable from a commercial standpoint when a fanner is satisfied that ground bono bone is a useful fertilizer liser for his conditions of soil and methods of pr practice utice it is believed at the station that it is inori economical and satisfactory for him til tip buy it as such rather than in tho the form forill of a completo pm pleto fertilizer of which it forms tho the base first because the tile same kind and quality of fertilizing ingredients tire much cheaper and second because of a i reasonable certainty that what is bought is really bone As regards dissolved bone and super phosphates with anith potash tho the samples examined at the new jersey station this year were of good quality and with few exceptions fully funy up t ti their guarantee which in connection with their selling price would secra seem to make mako them valuable substitutes for complete manures so in many cases of which wheat is given as one according to the tile station bulletin tho tile cheaper super stiller phosphates with potash may be quite ws effective for certain crops as a complete manure containing a low percentage of nitrogen sulphate of ammonia is of special interest to the agriculturist rist as with tho the exception of peruvian guano it is tho the only commercial source of ammonia within the farmers reach Itis it is prepared from hie the water which ia obtained in the manufacture of gas from coal the sulphate not being a complete manure is seldom if over applied alone not even when in a course of rotation it follows a manure manuro it is very useful when employed as an adjunct to the slow acting manures it increases the vigor of the plants and enable them to take tako up u p more of the other kinds of food in a given time than they would or could otherwise do sulphate of or ammonia may bo be applied either ei therasa as a top dressing or it may ba be worked in the soil just previous to alio seeding of a crop it is usually applied at the rate of to 11 pounds per acre c many farmers mix the sulphate with three or four fur times its bulk of loam loan in ill order to insure a it more oven even distribution sulphate of ammonia is most largely employed on grain crops progressive danners far also use light dressings of the sulphate with fine effect on their grass lands not only after the growth ti is well started iu in the spring but again after mowing some farmers claim that it pays to top dress marigolds man golds and similar crops sulp sulphate liate lanes a and nd gilbert in their famous field experiments proved the efficiency of sulphate of ammonia as an adjunct of slow acting manures and in inviting plants to utilize qu quickly akly and more fully the manures within their reach their most noteworthy results were gained when the sulphate sulp liate was applied to land that had been previously enriched for several years by the accumulation of mineral and d other their largest crops were obtained when mineral and nitro manures manures were employed together |
