Effect of Nutrient Application on Carbon and Nitrogen Metabolites in Stem and Leaf of Early Rice

doi:10.3969/j.issn.1000-7091.2013.02.029

Abstract

Abstract: Plot experiments were set with Xiangzaoxian 45 in Yiyang and Xiangyin. There were 6 treatments which respectively were T1(Fertilization application without nitrogen),T2(Farmers fertilization application),T3(Fertilization application for high yield and high efficiency),T4(Fertilization application for super high yield),T5(Fertilization application for super high yield and high efficiency A)and T6(Fertilization application for super high yield and high efficiency B). The objective of this study was to investigate the effects of different nutrient applica-tion on carbon and nitrogen metabolites in stem and leaf of early rice. The results showed that nitrogen metabolism of early rice was more exuberant during the vegetativegrowth stage and carbon metabolism was more exuberant during the reproductivegrowth stage. T3 respectively increased total amounts of soluble sugar and free amino acid of matu-rity stage by 29. 87%,22. 66% and 31. 63%,13. 47%,as well as yield of early rice by 4. 20%,4. 80% to T2 on the condition of saving 20% nitrogen fertilizer. T5 and T6 on the condition of saving 16. 7% nitrogen fertilizer by T4

CLC Number:

ZHOU Xuan,, PENG Jian-wei,, CAIgui-qing,, LIU Qiang,, RONG Xiang-min,, TIAN Chang,, CHEN Li-jun, CAO Zhi-lei. Effect of Nutrient Application on Carbon and Nitrogen Metabolites in Stem and Leaf of Early Rice[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(2): 161-168. doi: 10.3969/j.issn.1000-7091.2013.02.029.

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