書誌事項
- タイトル別名
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- Studies on the Soil Application of Insecticides
- サッチュウザイ ノ ドジョウシヨウ ニ カンスル ケンキュウ 4 シントウセイ ユウキ リンザイ ガ ドジョウ ノ ショウサン カセイ オヨビ バレイショ ノ セイイク シュウリョウ ニ オヨボス エイキョウ
- IV. Effects of the Systemic Organophosphates on the Nitrification of Soil and on the Growth and Yield of Potato
- 第4報 浸透性有機リン剤が土壌の硝酸化成およびバレイショの生育・収量に及ぼす影響
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When applied as a soil treatment, 6kg PSP-204 or Di-Syston granules per 10a gave an increase of nitric-nitrogen (NO3-N) in volcanic ash soil of Kuriyagawa, Morioka, after about 25 days from the application at planting time. This trend of NO3-N was kept for about 40 days with PSP-204 and about 50 days with Di-Syston, respectively. These insecticides had an unfavourable effect in delaying initial growth of the plants, but brought a greater increase of growth after about 30 days from the emergence of potato plants, finally giving higher yield than untreated plants. Having analyzed nutritional components of potato plants, a larger amount of nitrogen absorbed was estimated in treated plots. From these results it might be considered that the acceleration of growth and the higher yield in treated plots are due to the increasing soil nitrification during a period where growth of potato plants are much sensitive to nitrogen level of soil. It was also suggested that the increase of NO3-N in soil may be resulted from a feeble “partial sterilization effect” of the insecticides, being prominent in a certain range of soil fertility or amount of nitric fertilizer per area.
収録刊行物
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- 日本応用動物昆虫学会誌
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日本応用動物昆虫学会誌 12 (2), 53-63, 1968
日本応用動物昆虫学会
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詳細情報 詳細情報について
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- CRID
- 1390001206450241152
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- NII論文ID
- 110001123464
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- NII書誌ID
- AN00186121
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- ISSN
- 13476068
- 00214914
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- NDL書誌ID
- 8357678
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
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