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タイトル山口県下の草地の土壌肥料学的研究 : 第2報 岩永台の草地土壌の理化学的性質とイタリアンライグラスに対する肥効試験
タイトルヨミヤマグチケンカ ノ クサチ ノ ドジョウヒリョウガクテキケンキュウ : ダイ 2 ホウ イワナガダイ ノ クサチドジョウ ノ リカガクテキセイシツ ト イタリアンライグラス ニ タイスル ココウシケン
タイトル別表記Studies on Soil Characteristics and Fertilizing of Some Grasslands in Yamaguchi Prefecture : II. Soil Characteristics of Iwanagadai Grassland and Field Experiment on the Growth of Italian Ryegrass
作成者丸本, 卓哉
東, 俊雄
進藤, 晴夫
作成者ヨミマルモト, タクヤ
ヒガシ, トシオ
シンドウ, ハルオ
作成者別表記Marumoto, Takuya
Shindo, Haruo
Higashi, Toshio
作成者所属山口大学農学部
内容記述(抄録等)Objectives of this study were to evaluate the soil characteristics of Iwanagadai grassland and to get fundamental information for fertilization on the growth of Italian ryegrass. The results obtained were as follows: 1. Soils of Iwanagadai grasland were acid (Average pH: 5.6) and the confficients of phosphate absorption were considerably large (Average value: 1680). Clay content was 43% on an average and dominant clay minerals were AI-chlorite and metahalloysite. 2. Contents of free iron and aluminum oxides in the soils were hight in general. Major part of the forms of phosphate in the soils was Fe-,Al-and organicforms, and the available phosphate as Ca-form scarecely existed. 3. It was found that the effect of fertilization, especially nitrogen and phosphate was significantly large. Grass yield in Iwanagadai grassland increased from 3-4 ton to about 12 ton (Fresh weight)/10a with the increase of fertilizer (N: 40kg, P_2O_5: 40kg, K_2O: 40kg). Furthermore, it was suggested that dolomite was better than calcium hydroxide for liming material. (Received June 30, 1977)
本文言語jpn
主題農学
資料タイプtext
出版者山口大学農学部
出版者ヨミヤマグチ ダイガク ノウガクブ
NII資料タイプ紀要論文
ISSN0513-1715
NCIDAN00244250
学内刊行物(紀要等)山口大学農学部学術報告
掲載誌名山口大学農学部学術報告
掲載誌名別表記Bulletin of the Faculty of Agriculture, Yamaguchi University
28
開始ページ57
終了ページ70
発行日1977
著者版/出版社版その他
リポジトリIDD490028000005
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/D490028000005