スギ植栽地における施肥の効果について
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概要
- 論文の詳細を見る
1) Effects of nutrition (solid fertilizer, containing N : 10,P : 6,K : 6) on the growth of forest trees (Cryptomeria japonica D. DON.) were observed in the Kyoto prefectural University forest, for the purpose to increase the volume of stands. (1957-1959) 2) In this investigation, fertilizer was used as follows. A group……solid fertilizer 150g. B group……solid fertilizer 90g. C group……contrast 3) The results of investigation are as follows : Growth of diameter (mm) 1st obs. 2nd obs. 3rd obs. A 8.4 12.3 24.1 B 8.6 10.5 19.8 C 9.2 11.3 19.8 Growth of height (cm) 1st obs. 2nd obs. 3rd obs. A 39.7 61.3 145.6 B 36.3 55.1 124.5 C 41.6 53.7 119.2
- 京都府立大学の論文
- 1959-09-01