收藏本站
收藏 | 手机打开
二维码
手机客户端打开本文

Possibilities of Sorghum Yield Estimation Using Remote Sensing in Rain-fed Farming,Gedarif State, Sudan

B.EL-Tahir YOUSIF Mahjoob  
【摘要】:Sudan is still using traditional methods for estimate crops yield depend on direct field survey, whereas there are available attractive techniques tested in many areas over the world not only with high efficiency, but also cost-effective and quick for the same purpose. The aim of this research is to investigate the utility of using remotely sensed data of Moderate-resolution Imaging Spectro-radiometer (MODIS) satellite for estimating Sorghum yield in Rain-fed farming in Gedarif State, Sudan, where Gedarif State provides about65%of Sudan main food crop "Sorghum", besides, sensing the difficulties may encounter the localization of the technique in the area. Rain-fed farming in Gedarif State is considered as hard area for conducting remote sensing studies because of high variation in yield, farm sizes, and precipitation. In addition, references data are limited to four years2007-2010. The study used simple linear regression model investigation two methods; the first Method included, Method1-1:the study measured the NDVI of Sorghum (in vegetation period) for the years2007-2008only. The result was low relatively0.50. The large area and high variation in yield may have caused to this result. Method1-2:Rainfall added to the NDVI, the model by then has a significant performance and R2increased to0.70for same term above. In Method2:the large area of Gedarif State has reclassified to smaller partitioning ones (Strata Sample), two, in order to decrease the mentioned high variation. As a result, Gedarif Rain-fed farming is reclassified to North and South of Gedarif according to Rainfall precipitation. This reclassification necessarily influenced in different ways by other factors beyond the Rainfall, such as localities level borders, farming sizes, and management systems. The result was positive in most cases. R2recorded a good performance in North and South of Gedarif in year2007, and North of Gedarif in2008, R2=0.60,0.68, and0.59, for previous cases respectively. Only South of Gedarif2008recorded poor performance=0.49.The interpretation was suggested for the high infection of Southern area of Gedarif by weeds. Weeds are detected by sensor as high NDVI, where actual yield is low. The result of South Gedarif could caused to the low R2for the two years together2007-2008to0.50. The final model represent four years,2007-2010recorded R2=0.70. The availability of time series reference (to more than four years) could enhance the result, yet in the same time affect the reality of study.


知网文化
【相似文献】
中国期刊全文数据库 前20条
1 Gan Lu;;A Study of Overseas Reception of Mo Yan's Red Sorghum[J];学术界;2018年08期
2 Xiaohui SHEN;;Flat-sowing and Condensed Planting of Dwarf Sorghum in the Sanjiang Plain[J];Agricultural Science & Technology;2017年04期
3 张鹏;;The Domesticating Method in the Translation of Red Sorghum[J];海外英语;2015年12期
4 孙美萍;;New Criticism and Mo Yan's Red Sorghum[J];校园英语;2018年12期
5 ;Soil Cadmium Regulates Antioxidases in Sorghum[J];Agricultural Sciences in China;2010年10期
6 唐建军 ,陈欣;Varietal differences in photosynthetic characters and chlorophyll fluorescence induction kinetics parameters among intergeneric progeny derived from Oryza×Sorghum, its parents, and hybrid rice[J];"Journal of Zhejiang University Science J";2002年01期
7 钟珍萍,吴乃虎;Expressional regulation in vitro of psbA mRNA 3' untranslated region in rice and sorghum[J];Science in China(Series C:Life Sciences);1997年04期
8 ;Structure and Regulation of Phosphoenolpyruvate Carboxylase from Sorghum Leaves[J];植物生理学报;1988年03期
9 谭继清;李清明;;危险性杂草——假高粱[J];植物杂志;1988年04期
10 尹凯峰,赵辉,沈宝成,陈秀峰,钱启春;假高粱的初步研究[J];植物保护;1989年02期
11 孙毅;;美国第16届高粱研究和利用学术讨论会[J];国外农学-杂粮作物;1989年03期
12 ;Sorghum Insect Problems and Management[J];Journal of Integrative Plant Biology;2011年03期
13 ;Phylogenetic Relationships of Sorghum and Related Species Inferred from Sequence Analysis of the nrDNA ITS Region[J];Agricultural Sciences in China;2006年04期
14 A.RASHID;R.U.KHAN;H.ULLAH;;Influence of Nitrogen Levels and Application Methods on Yield and Quality of Sorghum[J];Pedosphere;2008年02期
15 ;Two-line Hybrid Glutinous Sorghum Variety Xiangliangyou Nuoliang 1 and Its Processed Products[J];HuNan Agricultural Science & Technology Newsletter;2000年02期
16 ;Ten New Crop Varieties(Lines) Released Recently in HAAS[J];HuNan Agricultural Science & Technology Newsletter;2000年02期
17 姚星竹;;A Translation Study of Red Sorghum in America—A Case Study of Ge Haowen[J];海外英语;2016年24期
18 Yazaki Seiji;Inoue Maiko;;QTLs for Sugar Content of Stalk in Sweet Sorghum(Sorghum bicolor L.Moench)[J];Agricultural Sciences in China;2006年10期
19 Li-Min Zhang;Hong Luo;Zhi-Quan Liu;Yi Zhao;Jing-Chu Luo;Dong-Yun Hao;Hai-Chun Jing;;Genome-wide patterns of large-size presence/absence variants in sorghum[J];Journal of Integrative Plant Biology;2014年01期
20 ;‘Red Sorghum' Author's New Novel to Hit Market in July[J];China Week;2003年06期
中国重要会议论文全文数据库 前10条
1 黄青;;A Comparative Study on Two English Versions of Red Sorghum from the Perspective of Communication Studies[A];外语教育与翻译发展创新研究(第八卷)[C];2019年
2 ;CRY2 May Be Involved In The Supersensitivity To Blue Light In Har1 In Sorghum Bicolo r[A];中国遗传学会植物遗传与基因组学专业委员会2005年学术研讨会论文摘要集[C];2005年
3 Kebede Zeru Yimer;Chang Jinhua;;Diversity and heterosis analysis of Sorghum(Sorghumbicolor(L.) Moench)lines and their hybrid(F1) based on molecular and morphological characters[A];2017年中国作物学会学术年会摘要集[C];2017年
4 ;Modified Logistic Mixture Model for Statistical Description of TGA Curves of Sweet Sorghum Bagasse:Use in the Isoconversional Calculations[A];纪念中国农业工程学会成立30周年暨中国农业工程学会2009年学术年会(CSAE 2009)论文集[C];2009年
5 ;Floral dip transformation of sorghum[A];2012年中国作物学会学术年会论文摘要集[C];2012年
6 Ting Zhang;Xiuqin Zhao;Wensheng Wang;Liyu Huang;Xiaoyue Liu;Ying Zong;Linghua Zhu;Daichang Yang;Binying Fu;Zhikang Li;;Deep transcriptome sequencing of rhizome and shoot in Sorghum propinquum[A];第十四届全国植物基因组学大会摘要[C];2013年
7 Nimir Nimir;周桂生;Shiyuan Lu;Fuyan Zhai;Wenshan Guo;;Comparative Effects of GA_3,Kinetin,and Salicylic Acid on Emergence,Seedling Growth,and Antioxidant Defense System of Sweet Sorghum under Salinity and Temperature Stresses[A];2014年全国青年作物栽培与生理学术研讨会论文集[C];2014年
8 Hui Ling;Ning Huang;Qibing Wu;Yachun Su;Qiong Peng;Waqar Ahmed;Shiwu Gao;Weihua Su;Youxiong Que;Liping Xu;;Transcriptional insights into the sugarcane-Sorghum mosaic virus interaction[A];2017年中国作物学会学术年会摘要集[C];2017年
9 Xie huadong;Bu lijun;Zhong zhengze;Huang yong;Peng xiangwei;Li dajun;;Effects of sorghum distillers dried grains with solubles on the carcass characteristics and muscle quality of China Micro Duck drakes aged from 4 to 8 weeks[A];第七届中国畜牧科技论坛论文集[C];2016年
10 ;Energy Plant—Sweet Sorghum and Ethanol Production Technology Using Sweet Sorghum Stalk[A];Renewable Energy Serves the Farmers--Special Reports from the Sino-Dutch Cooperative Project "Promotion of Rural Renewable Energy(RRE) in Western China"[C];2008年
中国博士学位论文全文数据库 前3条
1 徐加发;SudanⅠ的免疫分析及基于SudanⅠ衍生物的镁离子特异性荧光分子探针的研究[D];南京大学;2012年
2 Maha Fadl Mohamed;发芽高粱及其与小麦混合粉面包的功能特性[D];南京农业大学;2013年
3 Irakoze Pierre Claver;浸泡和发芽对高粱功能特性及大分子组分的影响研究[D];江南大学;2010年
中国硕士学位论文全文数据库 前10条
1 B.EL-Tahir YOUSIF Mahjoob;[D];浙江大学;2014年
2 张旭;系统功能语言学视角下的翻译操纵现象探析[D];西南大学;2014年
3 喻艳;从伦理视角审视变译[D];湖南农业大学;2014年
4 吴琼;接受美学视角下汉译英作品成功因素的研究[D];青岛科技大学;2016年
5 殷丹;《大地》与《红高粱》中的生态女性思想比较研究[D];南京航空航天大学;2014年
6 廖瑞;葛浩文的翻译思想探究[D];中南大学;2013年
7 许文晶;《红高粱家族》英译本的归化和异化研究[D];长春工业大学;2016年
8 曾伟婷;译者主体性的影响因素[D];宁夏大学;2014年
9 姚伟;功能翻译理论下《红高粱》电影字幕英译研究[D];浙江财经大学;2015年
10 刘一帆;目的论视角下《红高粱》英译本的三美体现[D];贵州师范大学;2014年
中国重要报纸全文数据库 前1条
1 陈索杰;苏丹草(Sorghum_Sudangrass Hybrid)[N];农民日报;2002年
中国知网广告投放
 快捷付款方式  订购知网充值卡  订购热线  帮助中心
  • 400-819-9993
  • 010-62982499
  • 010-62783978