蔬菜水耕栽培の実用化に関する研究-17-定植時の葉数がトマトの生育・収量におよぼす影響

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  • 蔬菜水耕栽培の実用化に関する研究 XVII : 定植時の葉数がトマトの生育・収量におよぼす影響(農学部門)
  • ソサイ スイコウ サイバイ ノ ジツヨウカ ニカンスルケンキュウ 17 テイシ
  • Studies on production of vegetable crops in water culture XVII : Effects of age when planted out in culture bed on growth and yield of tomatoes (Agriculture)

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Abstract

Ohgata-Fukujyu tomatoes sown in sand and then water-cultured in nursery bed, were planted out in the culture bed at 3-, 6-, 9-, or 12-leaf stage, to determine the adequate age of transplants at planting out, in water culture. As the results of the later planting out, plant heights both at the time of planting out and the termination of experiment were higher, leaves were smaller, dry matter contents of plant component organs were higher, water and nutrient absorptions during early growth were lower, no. of flowers was less and no. of days required for fruit maturation was less, than those by the early planting out. The yield was lower and was often delayed by the later planting out in the spring crop, while it was higher and was delayed by a few days by the later planting out in the fall crop.

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