土性と桑樹の窒素利用率との関係に就て
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概要
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Author make an experiment of the nitrogen utilization by the mulberry trees in two soils of different character for two years. The chief results are as follows; (1) Nitrogen utilization of the chief nitrogenous manures by the mulberry trees in both volcanic ash clay soil and tertiary loam soil, are as in following table;[table](2) Nitrogen utilization of each manures in tertiary loam soil are less than in volcanic ash clay soil, and then it is thought that is due to less NH_3-adsorption of tertiary loam soil than the latter.
- 一般社団法人日本土壌肥料学会の論文
- 1940-08-25