茶園土壌の酸度及び満俺の含量に就て
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概要
- 論文の詳細を見る
Soils from the tea farms in Siduoka Prefecture which belong to various soil system were investigated as to their exchangeable acidity (after DAIKUHARA), pH (by quinhydrone) and Mn content (by colorimetric method of WILLARD and GREATHOUSE, 1917) and found : (1) The highest and lowest exchangeable acidity were 174.6 and 0 respcctively ; (2) pH ranged 3.80-6.0 and mostly 4.5 ± ; (3) Quantity of Mn varied from trace to 2.5% (Mn_2O_3) and generally 0.1-0.8% with a few exception ; (4) No definite correlation between the acidity and Mn content was fonnd ; (5) Neither direct qualitative nor quantitative relation between the tea crop and the acidity was noted so far as this investigation is concerned.
- 社団法人日本土壌肥料学会の論文
- 1934-03-20