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| 1 | Critical slope gradient for compulsory abandonment of farmland on the hilly Loess Plateau显示文摘Scientific evidence for the upper limit of farmland is proposed. Shallow gully erosion is one of erosion types distributed extensively on sloping farmland in the hilly regions of the Loess Plateau. Field observation and aerial photos interpretation, as well as laboratory experiments show that the shallow gully erosion occurring on the steeper farmland in the hilly regions of the Loess Plateau is an important factor leading to intensive erosion on slope, because of its extensive distribution and intensive runoff collection. The data on the formation, development and distribution of shallow gullies on sloping farmland indicate that critical slope gradient for shallow gully initiation ranges from 15 to 20 degrees with an average of 18.2 degrees. Therefore, it is suggested that critical slope gradient for compulsory abandonment of farmland on the hilly Loess Plateau should be kept within the critical slope gradient for shallow gully initiation to prevent shallow gully formation in order to control soil loss more effectively. But as the first step, the cultivation on the slopes with slope larger than 25 degrees where the maximum erosion occurs should be strictly forbidden. | TANG Keli+1, ZHANG Keli 1,2 and LEI Aling 1,3 1. Institute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling 712100, China 2. Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China 3. Water Resources C | 1998 | Chinese Science Bulletin1998，43，5： | 16 |
| 2 | Nitrogen Deep Placement Combined with Straw Mulch Cultivation Enhances Physiological Traits,Grain Yield and Nitrogen Use Efficiency in Mechanical Pot-Seedling Transplanting Rice显示文摘To assess the effects of straw return coupled with deep nitrogen(N)fertilization on grain yield and N use efficiency(NUE)in mechanical pot-seedling transplanting(MPST)rice,the seedlings of two rice cultivars,i.e.,Yuxiangyouzhan and Wufengyou 615 transplanted by MPST were applied with N fertilizer at 150 kg/hm2 and straw return at 6 t/hm2 in early seasons of 2019 and 2020.The experiment comprised of following treatments:CK(no fertilizer and no straw return),MDS(deep N fertilization and straw return),MBS(broadcasting fertilizer and straw return),MD(deep N fertilization without straw return),MB(broadcasting fertilizer without straw return).Results depicted that the MDS treatment significantly increased the rice yield by 41.69%-72.22%due to total above-ground biomass,leaf area index and photosynthesis increased by 54.70%-55.80%,38.52%-52.17%and 17.89%-28.40%,respectively,compared to the MB treatment.In addition,the MDS treatment enhanced the total N accumulation by 37.74%-43.69%,N recovery efficiency by 141.45%-164.65%,N agronomic efficiency by 121.76%-134.19%,nitrate reductase by 46.46%-60.86%and glutamine synthetase by 23.56%-31.02%,compared to the MB treatment.The average grain yield and NUE in both years for Yuxiangyouzhan were higher in the MDS treatment than in the MD treatment.Hence,deep N fertilization combined with straw return can be an innovative technique with improved grain yield and NUE in MPST in South China. | LI Lin ZHANG Zheng TIAN Hua Umair ASHRAF Yousef Alhaj HAMOUD Al Aasmi ALAA TANG Xiangru DUAN Meiyang WANG Zaiman PAN Shenggang | 2022 | Rice science2022，29，1： | 5 |
| 3 | Coronary plaque erosion without rupture into a lipid core: a frequent cause of coronary thrombosis in sudden coronary death显示文摘 | Farb A Burke AP Tang AL | 1996 | Circulation1996，93，： | 3 |
| 4 | Nuclear localization of Ecadherin expression in Merkel cell carcinon, a 显示文摘 | Han AC Soler AP Tang CK ct al | 2000 | Arch Pathol Lab Med2000，124，8： | 1 |
| 5 | Rapid and high-yield synthesis of silver nanowires using air-assisted polyol method with chloride ions显示文摘 | Tang Xinling Tsuji Masaharu Jiang Peng el al | 2009 | Colloids Surf A: Physicochem Eng Aspects2009，338，： | 1 |
| 6 | Treatment of Hawkins type II fractures oftalar neck by a vascularized cuboid pedicle bone graft and combinedinternal and external fixation:a preliminary report on nine cases显示文摘 | Tang H Han K Li M ei al | 2010 | J Trauma2010，4，： | 1 |
| 7 | XAGE-1 b expression is associated with the diagnosis and early recurrence of hepatocellular carcinoma 显示文摘 | Pan Z Tang B Hou Z et al | 2014 | Mol Clin Oncol2014，2，6： | 1 |
| 8 | KRAS mutation is an important predictor of resistance to therapy with epidermal growth factor receptor tyrosine kinase inhibi- tors in non-small-cell lung cancer 显示文摘 | Massarelli E Varella-Garcia M Tang X et al | 2007 | Clin Cancer Res2007，13，10： | 1 |
| 9 | Cellular mechanisms of growth inhibition of human epithelia ovarian cancer cell line by LH releasing hormone antagonist ce trorelix显示文摘 | Tang X Yano T Osuga Y Matsumi H Yano N Xu J el al | 2002 | J Ciin Endocrinol Metab2002，87，： | 1 |
| 10 | Effects of transglutaminase treatment on the thermal properties of soy protein isolates显示文摘 | Chuan-He Tang Zhong Chen Lin l i el al | 2006 | Food Research International2006，，39： | 1 |
| 11 | Analysis of impairments influencing gait velocity and asymmetry of hemiplegic patients after mild to moderate stroke 显示文摘 | Tang PF Jan MH | 2003 | Arch Phys Med Rehabil2003，84，8： | 1 |
| 12 | Synthe sis of Self crosslinking Water Soluble Acrylic Resin and Development of Tetracolor Superimpose Printing Inks显示文摘 | TANG Jian-xin CHEN Hong NIE Li-bo el al | 2003 | Dongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Southeast University (Natural Science Edition)2003，33，1： | 1 |
| 13 | Coronary plaque erosion without rupture into a lipid core:a frequent cause of coronary thrombosis in sudden coronary death显示文摘 | Farb A Burke AP Tang AL | 1996 | Circulation1996，93，7： | 1 |
| 14 | Applied Physics Letters显示文摘 | Xie W J Tang X F Yan Y G ei al | 2009 | 94(10): 12009，94，10： | 1 |
| 15 | Molecular diagnosis of Prader-Willi and Angelman syndromes by methylation-specific melting analysis and methylation-specific multiplex ligation-dependent probe amplification 显示文摘 | Procter M Chou L S Tang W at al | 2006 | Clin Chem2006，52，7： | 1 |
| 16 | Sensitization of head and neck cancer to cisplatin through the use of a novel curcumin ana- log 显示文摘 | Abuzeid WM Davis S Tang AL | 2011 | Arch Otolaryngol Head Neck Surg2011，137，5： | 1 |
| 17 | Prevalence of school students in mainJand China: a systematic review and meta- analysis显示文摘 | Zhang H Guo scoliosis among C Tang M et primary and middle al | 2015 | Spine2015，40，1： | 1 |
| 18 | The prevalence of pseudoexfoli-ation syndrome in Chinese people显示文摘 | Young AL Tang WW Lam DS | 2004 | Br J Ophthalmol2004，88，： | 1 |
| 19 | Both PON1 Q192R andCYP2C19*2 in-fluence platelet response to clopidogrel and ischemic events in Chinesepatients undergoing percutaneous coronary intervention显示文摘 | Chen Y Huang X Tang Y el al | 2015 | Int J Clin ExpMed2015，8，6： | 1 |
| 20 | Ras/ERK signaling pathway is involved in curcumin-induced cell cycle arrest and apoptosis in human gastric carcinoma AGS cells 显示文摘 | Cao AL Tang QF Zhou WC | 2014 | J Asian Nat Prod Res2014，10，： | 1 |
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