参考文献/References:
[1]郭秀珠，陈巍，黄品湖,等.不同施肥措施对早香柚果实产量与品质的影响[J].江苏农业科学，2009(2)：163-166.
[2]孙建军，刘红.不同配方施肥对大棚草莓生长结实的影响[J].西北林学院学报，2013，28(2)：114-117.
SUN J J，LIU H. Effects of different formulated fertilizations on the growth and fruiting of greenhouse fragaia ananassa[J]. Journal of Northwest Forestry University，2013，28(2)：114-117. (in Chinese)
[3]刘倩雯，王渭玲，徐福利,等.施用沼肥和发酵豆饼肥对黄土高原山地梨枣产量和品质的影响[J].西北林学院学报，2012，27(4)：39-42.
LIU Q W，WANG W L，XU F L，et al. Effects of the application of biogas manure and soybean cake compost on yield and fruit quality of pear-jujube in mountainous region of loess plateau[J]. Journal of Northwest Forestry University，2012，27(4)：39-42. (in Chinese)
[4]ADAMSEN F J，PINTER P J，BARBES E M，et al. Measuring wheat senescence with a digital camera[J]. Crop Sci., 1999，39：719-724.
[5]JIA L L，CHEN X P，ZHANG F S，et al. Use of digital to assess nitrogen status of winter wheat in the Northern China plain[J]. Journal of Plant Nutrition，2004，27(3)：441-450.
[6]LUKINA E V，STONR M L，RAUN W R. Stimating vegetation coverage in wheat using digital images[J]. J.Plant Nutr., 1999，22：341-350.
[7]石晓燕.应用数字图像技术对冬小麦叶片部分生理指标的估测[D].保定：河北农业大学，2005.
[8]李锦卫.基于计算机视觉的水稻、油菜叶色—氮营养诊断机理与建模[D].长沙：湖南农业大学，2010.
[9]赵静，韩甜甜，张鲜鲜.应用数码图像技术对梨树叶片营养诊断的初探[J].中国农学通报，2011，27(3)：272-276.
ZHAO J，HAN T T，ZHANG X X. Preliminary study of whangkeumbae leaf nutrients status diagnosis by using digital image processing technique[J]. Chinese Agricultural Science Bulletin，2011，27(3)：272-276. (in Chinese)
[10]雷彤，赵庚星，朱西存,等.基于高光谱的苹果果期冠层光谱特征及其果量估测[J].生态学报，2010，30(9)：2276-2285.
LEI T，ZHAO G X，ZHU X C，et al. Canopy spectral features and fruit amount estimation of apple tree at fruit stage based on hyperspectral data[J]. Acta Ecological Sinica，2010，30(9)：2276-2285. (in Chinese)
[11]雷彤，赵庚星，朱西存,等.基于高光谱和数码照相技术的苹果花期光谱特征研究[J].中国农业科学，2009，42(7)：2481-2490.
LEI T，ZHAO G X，ZHU X C，et al. Research of apple florescence spectral feature based on hyperspectral data and digital photos[J]. Science Agricultural Sinia，2009，42(7)：2481-2490. (in Chinese)
[12]潘微微.应用叶绿素仪进行棉花氮素营养诊断[D].石河子：石河子大学，2008.
[13]王秀峰.应用数字图像技术进行黄瓜和番茄氮素营养诊断的研究[D].长春：吉林农业大学，2005.
[14]石媛媛.基于数字图像的水稻氮磷钾营养诊断与建模研究[D].杭州：浙江大学，2010.
[15]王晓静，张炎，李磐,等.地面数字图像技术在棉花氮素营养诊断中的初步探究[J].棉花学报，2007，19(2)：106-113.
WANG X J，ZHANG Y，Li P，et al. Study on cotton N status diagnosis using digital image processing[J]. Cotton Science，2007，19(2)：106-113. (in Chinese)
[16]张立周，王殿武，张玉铭,等.数字图像技术在夏玉米氮素营养诊断中的应用[J].中国生态农业学报，2010，18(6)：1340-1344.
ZHANG L Z，WANG D W，ZHANG Y M，et al. Diagnosis of N nutrient status of corn using digital image processing technique[J]. Chinese Journal of Eco-Agriculture，2010，18(6)：1340-1344. (in Chinese)
相似文献/References:
[1]李亚藏,梁彦兰,王庆成. 铅对山梨和山荆子光合作用和叶绿素荧光特性的影响[J].西北林学院学报,2012,27(05):21.
LI Ya-cang,LIANG Yan-lan,WANG Qing-cheng. Influence of Pb on Photosynthesis and Chlorophyll Fluorescence Characteristics in Pyrus ussuriensis and Malus baccata [J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(05):21.
[2]张小咏,李佳,杨艳昭,等. 基于SWAT模型的长江源区径流模拟[J].西北林学院学报,2012,27(05):38.
ZHANG Xiao-yong,LI Jia,YANG Yan-zhao,et al. Runoff Simulation of the Catchment of the Headwaters of the Yangtze River Based on SWAT Model[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(05):38.
[3]杨红旗,陈广辉,王金林. PVAc改性酚醛树脂制备铝木复合材料研究[J].西北林学院学报,2013,28(01):170.[doi:10.3969/j.issn.1001-7461.2013.01.34]
YANG Hong-qi,CHEN Guang-hui,WANG Jin-lin. PF Adhesive Modified by PVAc for Manufacturing Technology of Decorative Fiberboard with Aluminum Foils[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(05):170.[doi:10.3969/j.issn.1001-7461.2013.01.34]
[4]江涛,李秀荣,谢延军,等. 微波预处理对巨尾桉木材渗透性的影响[J].西北林学院学报,2013,28(01):174.[doi:10.3969/j.issn.1001-7461.2013.01.35]
JIANG Tao,LI Xiu-rong,XIE Yan-jun,et al. Effects of Microwave Pretreatment on the Permeability of Eucalyptus grandis×Eucalyptus urophylla[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(05):174.[doi:10.3969/j.issn.1001-7461.2013.01.35]
[5]牛晓霆,王逢瑚,曹新民. 明清家具匠师原木下料的工艺原则及措施[J].西北林学院学报,2013,28(01):178.[doi:10.3969/j.issn.1001-7461.2013.01.36]
NIU Xiao-ting,WANG Feng-hu,CAO Xin-min. Techniques and Principles of Log Cuttings of Furniture Makers in Ming and Qing Dynasties[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(05):178.[doi:10.3969/j.issn.1001-7461.2013.01.36]
[6]吕金阳,覃卓凯,舒辉,等. 银杉木材构造美学价值[J].西北林学院学报,2013,28(01):183.[doi:10.3969/j.issn.1001-7461.2013.01.37]
LV Jin-yang,QIN Zhuo-kai,SHU Hui,et al. Esthetical Values in Wood Structure of Cathaya argyrophylla[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(05):183.[doi:10.3969/j.issn.1001-7461.2013.01.37]
[7]杨艳红,张海敏,孙景荣. 基于传统文化视角的现代家具设计探析[J].西北林学院学报,2013,28(01):188.[doi:10.3969/j.issn.1001-7461.2013.01.38]
YANG Yan-hong,ZHANG Hai-min,SUN Jing-rong. Study of Modern Furniture Design Based on Traditional Culture[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(05):188.[doi:10.3969/j.issn.1001-7461.2013.01.38]
[8]黄圣游,叶喜. 新中式家具“中式”传统的界定[J].西北林学院学报,2013,28(01):192.[doi:10.3969/j.issn.1001-7461.2013.01.39]
HUANG Sheng-You,YE Xi. Definition of Traditional Element in New Chinese Style Furniture[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(05):192.[doi:10.3969/j.issn.1001-7461.2013.01.39]
[9]韩维生,赵明磊,王宏斌. 基于阈限理论的设计尺度体系[J].西北林学院学报,2013,28(01):197.[doi:10.3969/j.issn.1001-7461.2013.01.40]
HAN Wei-sheng,ZHAO Ming-lei,WANG Hong-bin. Design Scale System Based on Threshold Theory[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(05):197.[doi:10.3969/j.issn.1001-7461.2013.01.40]
[10]宋杰,侯建军,申黎明. 按摩椅按摩头包覆层对按摩舒适性的影响[J].西北林学院学报,2013,28(01):202.[doi:10.3969/j.issn.1001-7461.2013.01.41]
SONG Jie,HOU Jian-jun,SHEN Li-ming. Influence of Massager Coat Layer of Massage Chairs on the Degree of Comfort[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(05):202.[doi:10.3969/j.issn.1001-7461.2013.01.41]