. Bulletin. Agriculture. ii8 T. Katavaina. (3) CaO M-O ^ Ca O = ,^0^ Ca (x\03)3 „MgO = ,, MgCNOs)^ +a (4) CaO ^ Ca O = ^^ Ca (NO3), „ Mg O = '. ^Ig (^^Os)- +^ (5) CaO M^O ^ Ca O = Ca (NO3), ,, Alg O = ,, Mg (NO3)2 4-a At the beginning of this experiment, the total concentration of the mineral nutrients for each pot was — per mille. The pots were kept in the green house. 20 seeds of onion were sown, per pot, on ]\Iarch 6, and the number o young shoots reduced, on April 7, to 8 of equal size. The height of the young plants and

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. Bulletin. Agriculture. ii8 T. Katavaina. (3) CaO M-O ^ Ca O = ,^0^ Ca (x\03)3 „MgO = ,, MgCNOs)^ +a (4) CaO ^ Ca O = ^^ Ca (NO3), „ Mg O = '. ^Ig (^^Os)- +^ (5) CaO M^O ^ Ca O = Ca (NO3), ,, Alg O = ,, Mg (NO3)2 4-a At the beginning of this experiment, the total concentration of the mineral nutrients for each pot was — per mille. The pots were kept in the green house. 20 seeds of onion were sown, per pot, on ]\Iarch 6, and the number o young shoots reduced, on April 7, to 8 of equal size. The height of the young plants and the number of branches was measured i\Iay i with the following result: Ratio Len£rtli, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Tokyo Daigaku. Nogakubu. Tokyo

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