Study on Dry Matter Accumulation and Nutrient Absorbtion and Utilization of Iris germanica cv.‘Changchunhuang’(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on Dry Matter Accumulation and Nutrient Absorbtion and Utilization of Iris germanica cv.‘Changchunhuang’

Author(s):: WANG Wen-qiang; DONG Ran; YAN Hai-yan; ZHAO Guo-ying; College of Horticulture，Jilin Agricultural University，Changchun，Jilin 130118

Keywords:: Iris germanica cv.‘Changchunhuang’; dry matter accumulation; nutrient absorption and utilization

Abstract:: Taking Iris germanica cv.‘Changchunhuang’ as test materials，the dry matter accumulation，nutrient absorption and utilization and the low between the distribution between the primary organs of the Iris germanica cv.‘Changchunhuang’ were studied，the relationship of the dry matter accumulation and nutrient absorption and utilization were discussed.The results showed that dry matter accumulation appeared S-type curve，the maximum appeared in the August 30th (autumn florescence)，dry matter accumulation reached to 39.86 g per plant.There were big differences in the nutrient accumulation of primary organs，but nutrient accumulation showed as K>N>P，and nutrient accumulation in autumn florescence was higher than spring florescence.The correlation analysis showed that the dry matter accumulation and nutrient uptake exhibited an extremely significant positive correlation.The N∶P₂O₅∶K₂O ratio was 1∶0.29∶14.8 in the whole growth period.

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Last Update: 2014-08-31