The Limitations of Nitrogen-Fixing Bacteria.

Auckland Star, Volume XXXVIII, Issue 133, 5 June 1907, Page 9

The Limitations of NitrogenFixing Bacteria.

' ;JL tangle of years ago nrcrogen-Sxing ; "triaria of Iwm»Tnrms plants burst; on . Se ■world with the brilliance of' a stsseoT, and ike problem of obtaining" BSiogen. for soils wa.s solved—or in irs3 iStoeghi it -was. Several things have since then, and now the Waited" States Department of Agrieui~«E& has issued a special circular to ftfe effect that some of the extravagant - eai"misleading claim? contained in some ;- *ithe afeertdsmjr matter now appearing to inocuiatrog materis.! - Hγ fegmnies make it- necessary ta ssain - ett ait-entian to the limitations <->f the - of iaocnJatioi!. The linritatioiis " **&- : Ssmnazised from bulletins issued t>T-lie.department at variona times, but taej- mar he epitomised a_s follow.-— " -'heneScial results can be exported a. partacniar crop if the bacteria for p resen t in the - 3 * ll - Kttle. if any. ■ benefit can; be from the nse of these bacteria, is decidedly in nee£ of such- as phosphates, i or Brae. But little, if any. heneSfc.esn- he csneeted from inoenlatron ff .J 2 is- already rich in nitrogen, '■■' of tae samples of "•" - T? - r^OTl3 fi l^ throtighVmbfA Static, intfieatps that gre has heen a slijrhr ir proveaieirt in • -5 s SSieiai character of these cultures. ,.