Full-Text Search:
Home|About CNKI|User Service|中文
Add to Favorite Get Latest Update

Effect of Deficit Irrigation on Root Development,Nutrient Accumulation and Yield in Soybean

SHEN Rong,ZHANG Jian-xin,GU Li-na,SU Guang-lu,SHAO Chang-he(College of Agronomy,Xinjiang Agricultural University,Urumqi 830000,Xinjiang,China)  
Xindadou 8 was used as tested material to study 4 kinds of soil moistures influences(lower limit was 80%,70%,60% and 50% field held) on root system growth,root system vigor and yield of single plant by pot culture method.The results showed that along with water deficit,dry weight,root system absorb superficial area,root bleeding,and root vigor displayed notable lessening trend as 80% 70% 60% 50%;Moreover,the percentage content and accumulating amounts of N,P2O5,K2O and seed yield around July 20th decreased after deficit irrigation treatment.Furthermore,compared with 80% moisture treatment,yield per plant of 70%,60% and 50% moisture treatment reduced to 87.8%,63.0% and 49.9%,respectively.And the water was efficiency of 70% treatment was maximal.The results indicated that controlled the growth,vigor changes and accumulation of N,P2O5,K2O in soybean root system by moderating deficit irrigation to achieve water-saving and high production of soybean was feasible.
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©CNKI All Rights Reserved