272 L- Ritter v. Porfheim and M- Samec, 



Aso^), Bernardini und Corso^), Daikuhara*), Fiiruta^), 

 Kanomata^X Katayama^), Kumagiri^), Loew^) und Aso, Loew^^) 

 und Honda, Maki und Tanaka^^, May^^), Namikawa^s), Sirker^*), 



2) Aso, K, The Bulletin of the College of Agriculture, Tokyo Imp.-TJniv.* 

 Vol, IV, 1902j pag- 301, zit, nach Ozapek, Bioehemie der Pflanzen> 1905, II, 



pag- 850- 



Ders., On the luflnence of a certain Eatio between Lime and Magnesia on 



the Growth of the Mulberrjtree. The Bulletin of the College of Agriculture, Tokyo, 



Imp-Univ,, Vol- V, 1902/03, pag- 495. 



Ders., On the Influence of different Batios of I-ime to Magnesia on tiie 

 Growth of Eice- The Bulielin of the College of Agriculture, Tokyo, Imp^-Univ., 

 Vol- VI, 1904/05, pag. 97. 



3} Bernardini, L. e Corso, G-, Intomo alF influenca di vari rapporti jEra 

 calce e magnesia suUo sviluppo delle piante- Gazetta chjmica Italiana 1907, 

 XXXVII, Pasc. VI, pag- 232, 



4) Daikuhara, G-, I- c- 



5) Furuta, T,, The Bulletin of the College of Agriculture, Tokyo, Imp.- 

 Univ,, Vol IV, pag. 371; zit, nach Ozapek, Bioehemie der Pflanzen 19(^, 11^ 

 pag- 850- 



6) Kanomata, C-, On the I>epression of Growth by large Poses of Lime. 

 The Bulletin of the College pf Agriculture, Tokyo, VoL Vn, 1906/08, pag- 599. 



7) Katayama, T., On the Determination of the available Amounts of Lime 

 and Magnesia in the Boil The Bulletin of tte College of Agriculture, Tokyo, 

 VoL VI, 1904/05, pag. 103, 



8) Kumagiri, S<, On the physiological Effects of an Eseeas of Magnesia 

 upon Barley, The Bulletin of the College of Agriculture, Tokyo, VoL VII, 1906/08, 

 pag- 441. 



9) Loew, O., Liming of Soils from a physiological Standpoint. The Ee- 

 lation of Lime on Magnesia to Plant Growth. U, S- Department of Agriculture, 

 Bureau of Plant-Industry, WasMngton 1901, Bull. Nr- 1, pag. 9. 



Loew, O- ^d Aso, K., On different Degrees of Availability of Plant 

 Nutrients. The Bulletin of the College of Agriculture, Tokyo, VoL VI, 1904/05, 

 pag- 335. 



Dies,, On physiologically balanced Solutions, The Bulletin of the Collie 

 of Agriculture, Tokyo, VoL VII, 1906/08, p^. 395- 



In diesen Abhandlungen finden sidi auch weitere Literaturangaben. 



10) Loew, O- u, Honda, S,, ^er den EinfluB wechselnder Mengen von 

 Kalk uad Magn^ia auf die Entwieklung der Nadelbaume. The Bulletin of the 

 College of Agriculture, Tokyo, VoL II; Kr. 6, 1896; zit nach Botanisehes Central- 

 blatt 1898, LXXV, pag, 67- 



11) Maki, S- and Tanafca, 9., Eegeneration of overlimed SoiL The 

 Bulletin of the College of A^culture, Tokyo, VoL VII, 1906/08, pag- 61- 



12) May, D, W., Esperimeatal Study of &e Eolation of Lime and Magnesia 

 to Plant Gxowtti. U, S. Department of Agriculture. Bureau of Plrat-Industry, 

 Washington 1901, Bull Nr, 1, pag. 37. 



13) Namikawa, S., On the Lime Factor for Flax and Spinach. The 

 Bulletin of the College of Agriculture, Tokyo, VoL VII, 1906/08, pag- 57, 



14) Sirker, G. N., Topdressing with M^nesium Sulphate, The Bulletin of 

 the College of Agriculture, Tokyo, VoL VII, 1906/08, pag. 613. 



