CO2施肥对黄瓜幼苗矿质营养吸收与分配的影响
<p>»21 9 6 ;4ÚCO2 i9 g (µ æ¿¿ ÿvø= Ë¥T¨,i O9 g V9 = 3, oV. j<ÄÐs M .Ø:ÏS j<vÐñ, 1996: 14- 44.10 õ ¨.T = ËÏ!í Í¥÷ Öòm4 |ICP? ;ös J.óÐ, 1989, 16( 1): 29- 33.11f:. v 3 Ø M .Ø:ÏS j< S/ñ, 1993:36- 45.12É #,Ò:, £,©.T ì ùCO2 g ìrTùî J. öê j<vÐÐ, 2000, 31( 2): 196- 200.13 Peet M M , Huber S C, Pat terson D T. Acclimation tohigh CO2 in monoecious cucumbers J. Plant Physiol,1986, ( 80): 63- 67.14 Yelle S, Gosselin A, Trudel M J. Effect of atmosphericCO2 concentration and root-zone temperature on grow th,mineral nutrition and nitrate reductase activity ofgreenhouse tomato J. J Amer Soc Hort Sci, 1987, 112( 6): 1036- 1040.15 Porter M A, Grodzinski B. Grow th of bean in high CO2:effects on shoot mineral composition J . J PlantNutrition, 1989, ( 12): 129- 138.16 M adsen E. Effects of CO2 enrichment on grow th,development, fruit production and fruit quality of tomatoplant from a physiological view point J . Phytot ronics,1975, ( 111): 318- 310.17 £Ï, Tibbitts T W . iÐÑHq/ . =ËÎx iÐ1=× Éí Í i¥1“ J.±þÐ, 1997, 39( 12): 1118- 1125.101 9 <É #©: CO2 gÛ(¼ ì É! lÐs ¥¥YEffects of CO2 enrichment on absorption and distributionof mineral elements in cucumber seedlingsWei Min , Yin Yandong , Wang Xiufeng , Xing Yuxian(Department of Horticulture Science and Engineering , Shandong Agricultural University , Tai 'an 271018, China )Abstract: Soil-cultured and sand-cultured cucumber seedlings w ere used in the experiments to study effects ofCO2 enrichment on absorption and distribution of mineral elem ents. The results show ed that: CO2 enrichment for3 h every morning or 6 h every day at 1100± 100L /L m ade the content of m ost mineral nutrients in differentorgans of cucum ber seedling decreased; Prolonging CO2enrich ment tim e led to the m uch low er content. How ever,as a result of CO2 enrichm ent, th e absorption ability of cucumber seedling w as strengthened and the total amountsof mineral nutrients absorbed increased, the m ore the enrichm ent tim e, the more the absorption amounts w ere. Itis suggested that m ore mineral nutrients should be applied when CO2 enrichment is carried.Key words: CO2 enrichm ent; cucumber; mineral element102 j<ýñÐ2005 M</p>
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