FACTORS AFFECTING CADMIUM UPTAKE BY THE CORN PLANT

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概要

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• Corn plants, were water-cultured by varying pH and concentration of calcium, phosphorus, zinc, and iron in nutrient solution containing graded levels of cadmium. The results obtained were summarized as follows : 1) With an increase of the cadmium concentration, the cadmium content of plants increased and the total dry weight and grain yield decreased markedly in the absence of calcium. Under these conditions the addition of calcium or iron caused a decrease of the cadmium content, and an increase of the dry weight and grain yield. The pH and the addition of phosphorus or zinc had no notable effect on the cadmium uptake. 2) The relationship between dry weight and cadmium content indicated that the critical cadmium content, above which plants suffer from the cadmium toxicity, was about 20 ppm on a dry matter basis, independent of treatments. 3) Calcium or iron at an adequate concentration in nutrient solution are effective to depress cadmium uptake by corn plants.

• 社団法人日本土壌肥料学会の論文

著者

• Hara Tetsuo

  Faculty of Agriculture, Gifu University

• Sonoda Yoji

  Faculty of Agriculture, Gifu University

• Sonoda Yoji

  Faculty Of Agriculture Gifu University

• Hara Tetsuo

  Faculty Of Agriculture Gifu University

• IWAI Iwao

  Faculty of Agriculture, Gifu University

• Iwai Iwao

  Faculty Of Agriculture Gifu University

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• GROWTH RESPONSE OF CABBAGE PLANTS TO LITHIUM, SODIUM, AND RUBIDIUM UNDER WATER CULTURE CONDITIONS
• GROWTH RESPONSE OF CABBAGE PLANTS TO BERYLLIUM AND STRONTIUM UNDER WATER CULTURE CONDITIONS
• GROWTH RESPONSE OF CABBAGE PLANTS TO ARSENIC AND ANTIMONY UNDER WATER CULTURE CONDITIONS
• GROWTH RESPONSE OF CABBAGE PLANTS TO SODIUM HALIDES UNDER WATER CULTURE CONDITIONS
• GROWTH RESPONSE OF CABBAGE PLANTS TO TRANSITION ELEMENTS UNDER WATER CULTURE CONDITIONS : II. Cobalt, Nickel, Copper, Zinc, and Molybdenum
• GROWTH RESPONSE OF CABBAGE PLANTS TO TRANSITION ELEMENTS UNDER WATER CULTURE CONDITIONS : I. Titanium, Vanadium, Chromium, Manganese, and Iron
• FACTORS AFFECTING CADMIUM UPTAKE BY THE CORN PLANT
• THE ROLE OF MACRONUTRIENTS FOR CABBAGE-HEAD FORMATION : I. Contribution to Cabbage-Head Formation of Nitrogen, Phosphorus, or Potassium Supplied at Different Growth Stages
• UTILIZATION OF OVARY CULTURE IN NUTRITIONAL STUDY OF FRUIT DEVELOPMENT OF TOMATO PLANTS
• CABBAGE-HEAD DEVELOPMENT AS AFFECTED BY NITROGEN AND TEMPERATURE
• THE ROLE OF MACRONUTRIENTS IN CABBAGE-HEAD FORMATION : III. Cabbage-Head Development as Affected by Nitrogen and Light
• THE ROLE OF MACRONUTRIENTS IN CABBAGE-HEAD FORMATION : II. Contribution to Cabbage-Head Formation of Calcium, Magnesium or Sulfur Supplied at Different Growth Stages
• THE ROLE MACRONUTRIENTS FOR CABBAGE-HEAD FORMATION : (Preliminary Report) Growth Performance of a Cabbage Plant, and Potassium Nutrition in the Plant
• THE ROLE OF MACRONUTRIENTS IN CABBAGE-HEAD FORMATION : IV. Effect of Nitrogen Supply or Light Intensity on the Growth and ^CO_2 and ^NO_3-N Assimilation of Cabbage Plants

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