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Effect of Reaction-Finished Solution of Hydrochar(HRFS)Application on Rice Grain Yield and Nitrogen Use Efficiency in Saline Soil

作     者:Zhenghua Yi Paramsothy Jeyakumar Jiang Jiang Xiaomian Zhang Chunlei Yue Haijun Sun 

作者机构:Co-Innovation Center for Sustainable Forestry in Southern ChinaCollege of ForestryNanjing Forestry UniversityNanjing210037China Environmental SciencesSchool of Agriculture and EnvironmentMassey UniversityPalmerston North4442New Zealand Zhejiang Academy of ForestryHangzhou310023China 

出 版 物:《Phyton-International Journal of Experimental Botany》 (国际实验植物学杂志(英文))

年 卷 期:2022年第91卷第4期

页      面:859-868页

核心收录:

学科分类:09[农学] 0901[农学-作物学] 

基  金:The Postgraduate Research&Practice Innovation Program of Jiangsu Province(KYCX21-0926) the National Natural Science Foundation of China(31972518)and the Qing Lan Project of Jiangsu Province financially supported this work 

主  题:Biochar saline soil nitrogen fertilizer yield component sustainable agriculture 

摘      要:We conducted a pot experiment to examine the feasibility of applying a reaction-finished solution of hydrochar(HRFS)to enhance rice production in a saline *** this purpose,HRFS was applied(0,10,20,40,60,80 and 100 mL/pot)and rice yield and nitrogen(N)use efficiency(NUE)were *** application significantly(P0.05)increased rice grain yield by 19.6%-30.0%compared to the control treatment(CKU,with N but without HRFS addition).Moreover,HRFS application promoted plant height and straw biomass of *** of rice yield were mainly achieved by increases in the number of panicles and grains per *** with the CKU treatment,the NUE of HRFS amendments significantly(P0.05)increased by 56.3%-71.7%.This indicated that the improvement of NUE was one of the mechanisms to improve rice grain yield with HRFS *** results of regression analysis showed that there was a positive relationship(R^(2)=0.8332)between rice yield and HRFS application rate within an appropriate *** highest rice yield was recorded with the HRFS application of 40 mL/pot,but a further increase in HRFS application rate appeared to reduce rice *** on the results of this pot study,HRFS application can increase rice yield in a saline soil by regulating its yield components and enhancing ***,impact of HRFS on these variables showed a“dose effect.

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