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タイトルヨミ
サキュウチ ノ セイサンリョク ゾウシン ニ カンスル ケンキュウ ダイ4ホウ チッソシツ ヒリョウ ノ アンモニヤ ヨウダツ ニツイテ
日本語以外のタイトル
Studies on the Increase of Productivity of the Sandhill(4) : Studies on the Leaching of the Ammonium from Nitrogen Fertilizers
ファイル
言語
日本語
著者
小柴 尚博
井田 正二
内容記述(抄録等)
By the fertilizing experiment on the sand hill, it was observed that the loss of plant nutrients by leaching has a pronounced effect on the yield. So, we carried out experiment upon the leaching of NH^+_4 by laboratory work. The results are summerized as follows:
Two kinds of sandy soils were used in this investigation-jinzai sandy soil of the low productivity and Tomimasu sandy soil of the high productivity. Each of these soils was filled in a cylinder of 7cm diameter and 70cm length, and ammonium sulphate was added upon the soils. Pouring water 100cc. 300cc, 600cc upon the soil, NH^+_4 absorbed in each horizon was analized, but there was not so difference between the two soils.
Various fertilizers were tested by the same method, but no remarkable fact was found. By another experiment, it was found that NH^+_4 from ammonium carbonate was much absorbed by the soil, but from amm. phosphate and amm. sulphate was not so much. The pH difference of the soil solution did not affect to the NH^+_4 absorption of the soil.
When the soil contained much <ca>^<++>, the absor bed NH^+_4 by replacement became little.
掲載誌名
島根農科大学研究報告
6
開始ページ
(A)117
終了ページ
120
ISSN
05598311
発行日
1958-03-31
NCID
AN00108241
出版者
島根農科大学
出版者別表記
The Shimane Agricultural College
資料タイプ
紀要論文
部局
生物資源科学部
備考
A,Bを含む
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