Influence of different application ways of biogas waste fertilizer on photosynthetic characteristics and water use efficiency of Zizyphus Jujube
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DOI:10.7606/j.issn.1000-7601.2010.03.21
Key Words: biogas waste fertilizer  Zizyphus Jyjube  photosynthetic characteristics  water use efficiency
Author NameAffiliation
CHAI Zhongping College of Pralacultural and Enwironmensal ScienceXinjiang Agricultural University, Urumqi 830052, China 
WANG Xuemei College of Ceography Science and Tourism, Xinjiang Normal Universiy, Urumqi 830054, China 
SUN Xia College of Pralacultural and Enwironmensal ScienceXinjiang Agricultural University, Urumqi 830052, China 
JIANG Pingan College of Pralacultural and Enwironmensal ScienceXinjiang Agricultural University, Urumqi 830052, China 
HE Qian College of Pralacultural and Enwironmensal ScienceXinjiang Agricultural University, Urumqi 830052, China 
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Abstract:
      Study is made on photosynthetic characteristics and water use efficiency of Zizyphus Jujube under different application ways of biogas waste fertilizer(ex-root, spray, smearing, dropping). The results show that Chl content, LAI and Pn have similar variation tendency under different application ways of biogas waste fertilizer, and they show an order of spray application of liquid manure > smearing trunk > contrast with chemical fertilizer > dropping fertilization >ex-root fertilization. The daily average values of Tr and Gs show dropping fertilization of liquid manure > spray application > contrast with chemical fertilizer > ex-root fetilization > smearing trunk. The daily average value of Ci shows ex-root fer-tilization of liquid manure > dropping fertilization > contrast with chemical fertilizer > smearing trunk > spray application,but the daily average value of Ls shows spray application of liquid manure > smearing trunk > contrast with chemical fer-tilizer > dropping fertilization > ex. -root fertilization. The daily average value of WUE shows smearing trunk of liquid ma-nure> spray application > contrast with chemical fertilizer > dropping fertilization > ex-root fertilization. The effect of spray application is the best.