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| 1 | Fate of Basal N Under Split Fertilization in Rice with ^(15)N Isotope Tracer显示文摘Split fertilization strategy is popularly adopted in rice to synchronize soil nitrogen(N) supply and crop N demand. Attention has been paid more on mid-season topdressing N, but limited on basal N. A clearer understanding of the basal N fate under split fertilization is crucial for determining rational basal N split ratio to improve the yield and reduce the loss to environment. A two-year field experiment with two N rates of 150 and 300 kg Nha^(-1), two split ratios of basal N, 40% and 25%, and two rice varieties,Wuyunjing 23(japonica) and Y-liangyou 2(super hybrid indica), was conducted. Labelled ^(15) N urea was supplied in micro-plots as basal fertilizer to determine the plant uptake, translocation, soil residual, and loss of basal N fertilizer. The results showed that basal N absorbed by rice was only 1.6%–11.5% before tillering fertilization(8–10 d after transplanting), 6.5%–21.4% from tillering fertilization to panicle fertilization, and little(0.1%–4.4%) after panicle fertilization. The recovery efficiency of basal N for the entire rice growth stage was low and ranged from 18.7% to 24.8%, not significantly affected by cultivars or N treatments. Soil residual basal N accounted for 10.3%–36.4% and decreased with increasing total N rate and basal N ratio, regardless of variety and year. 43.8%–70.4% of basal N was lost into the environment based on the N balance. Basal N loss was significantly linearly positive related with the basal N rate and obviously enhanced by the increasing basal N ratio for both varieties in both 2012 and 2013. The N use efficiency and yield was significantly improved when decreasing the basal N ratio from 40% to 25%. The results indicated that the basal N ratio should be reduced, especially with limited N inputs, to improve the yield and reduce the N loss to the environment. | LI Ganghua LIN Jingjing XUE Lihong DING Yanfeng WANG Shaohua YANG Linzhang | 2018 | Pedosphere2018，28，1： | 9 |
| 2 | Biochar Combined with Vermicompost Increases Crop Production While Reducing Ammonia and Nitrous Oxide Emissions from a Paddy Soil显示文摘Organic amendments such as vermicompost and biochar have been reported to enhance soil fertility and crop productivity.However, whether the co-application of both amendments has synergistic effects or whether such benefits are accompanied by the risk of gaseous nitrogen(N) loss in an agroecosystem remains unknown. A soil column experiment with a fully factorial design was conducted using three levels of vermicompost(no dose, low dose(1%, weight:weight), and high dose(3%, weight:weight)) without or with biochar(1%, weight:weight) to investigate their effects on rice growth and gaseous N loss across the crop growing season. Our results demonstrated that synergistic interactions existed between vermicompost and biochar in promoting crop yield. Compared with biochar amendment alone, biochar combined with vermicompost significantly(P < 0.01) increased rice yield by 26.5%–35.3%. However,high dose of vermicompost significantly(P < 0.01) increased the cumulative ammonia(NH_3) and nitrous oxide(N_2O) emissions. In the presence of vermicompost, the incorporation of biochar amendment significantly(P < 0.01) decreased the cumulative N_2O emission by 14.1%–18.6%. The lowest emission factor value of NH_3 and N_2O was achieved using biochar in combination with low dose of vermicompost. This study revealed that the combination of biochar and moderate dose of vermicompost offers a novel approach to promote crop productivity while reducing the environmental risk. | WU Di FENG Yanfang XUE Lihong LIU Manqiang YANG Bei HU Feng YANG Linzhang | 2019 | Pedosphere2019，29，1： | 5 |
| 3 | Long-term effect of chemical fertilizer, straw, and manure on labile organic matter fractions in a paddy soil显示文摘 | Dezhi Yan Dejian Wang Linzhang Yang | 2007 | Biology and Fertility of Soils2007，，1： | 2 |
| 4 | Comparison of the removal of COD by a hybrid bioreactor at low and room temperature and the associated microbial characteristics显示文摘 | Tianling Li Luji Bo Fan Yang Shanqing Zhang Yonghong Wu Linzhang Yang | 2012 | Bioresource Technology2012，，： | 2 |
| 5 | Mechanisms of removing pollutants from aqueous solutions by microorganisms and their aggregates: A review显示文摘 | Yonghong Wu Tianling Li Linzhang Yang | 2011 | Bioresource Technology2011，，： | 2 |
| 6 | Deriving leaf chlorophyll con- tent of green-leafy vegetables from hyperspectral reflec- tance显示文摘 | Xue Lihong Yang Linzhang | 2009 | ISPRS Journal of Photogrammetry and Remote Sensing2009，64，1： | 1 |
| 7 | Organic carbon and its fractions in paddy soil as affected by different nutrient and water regimes显示文摘 | Yang Changming Yang Linzhang Ouyang Zhu | 2005 | Geoderma2005，124，： | 1 |
| 8 | The decoction of Radix Astragali inhibits the growth of Microcystis aeruginosa显示文摘 | Rong Yan Yonghong Wu Hongli Ji Yanming Fang Philip G. Kerr Linzhang Yang | 2011 | Ecotoxicology and Environmental Safety2011，，4： | 1 |
| 9 | The decoction of Radix Astragali inhibits the growth of Microcystis aeruginosa显示文摘 | Rong Yan Yonghong Wu Hongli Ji Yanming Fang Philip G. Kerr Linzhang Yang | 2011 | Ecotoxicology and Environmental Safety2011，，4： | 1 |
| 10 | Organic carbon and its fractions in paddy soil as affected by different nutrient and water regimes显示文摘 | Changming Yang Linzhang Yang Zhu Ouyang | 2004 | Geoderma2004，，1： | 1 |
| 11 | Hierarchical eco-restora- tion: A systematical approach to removal of COD and dissolved nutri- ents from an intensive agricultural area显示文摘 | Wu Yonghong Hu Zhengyi Yang Linzhang | 2010 | Environmental Pollution2010，158，： | 1 |
| 12 | Evaluating adsorption and biodegradation mechanisms during the removal of Microcystin-RR by periphyton 显示文摘 | WU Yonghong HE Jiangzhou YANG Linzhang | 2010 | Environ Sci Technol2010，44，16： | 1 |
| 13 | Recommendations for nitrogen fertiliser topdressing rates in rice using canopy reflectance spectra显示文摘 | Lihong Xue Linzhang Yang | 2008 | Biosystems Engineering2008，，4： | 1 |
| 14 | Chemical properties of the upper railings beneath biotic crusts显示文摘 | SUN Qingye AN Shuqing YANG Linzhang | 2004 | Eco- logical Engineering2004，23，1： | 1 |
| 15 | Crude extract of Astragalus mongholicus root inhibits crop seed germination and soil nitrifying activity 显示文摘 | Mao Jian Yang Linzhang Y Shi uming | 2006 | Soil Biology and Biochemistry2006，38，： | 1 |
| 16 | The adsorption of basic dyes from aqueous solution on modified peat-resin particle 显示文摘 | SUN Qingye YANG Linzhang | 2003 | Water Research2003，37，7： | 1 |
| 17 | The adsorption of basic dyes from aqueous solution on modified peat-resin particle 显示文摘 | Sun Qingye Yang Linzhang | 2003 | Water Research2003，37，7： | 1 |
| 18 | Agricultural non-point source pollution in China:Causes and mitigation measures显示文摘 | Sun Bo Zhang Linxiu Yang Linzhang | 2012 | Ambio2012，41，4： | 1 |
| 19 | Agricultural non-point source pollution in China:causes and mitigation measures显示文摘 | SUN Bo ZHANG Linxiu YANG Linzhang | 2012 | Ambio2012，41，4： | 1 |
| 20 | Nitrogen fertilizer reduction in rice production for two consecutive years in the Taihu Lake area显示文摘 | Jun Qiao Linzhang Yang Tingmei Yan Feng Xue Dong Zhao | 2011 | Agriculture, Ecosystems and Environment2011，，1： | 1 |
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