›› 2009, Vol. 21 ›› Issue (05): 0-480.

• 论文 •    

Effects of organic, SEQ, special and conventional farming on the yield and quality of eight kinds of vegetables

CHENG Hui-lin;SUN Lian-fei;HE Wen-long;YANG Jue-ping;LI Feng   

  1. 1.Research Institute of Organic Farming and Organic Food,Nanjing Agricultural University ,Nanjing 210095 ,China; 2.Agricultural Technology Popularization Center of Songjiang District of Shanghai,Shanghai 201611 ,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-09-25 Published:2009-09-25

Abstract: A field experiment was carried on to study the effects of organic,SEQ,special and conventional farming on the yield and quality of eight kinds of vegetables in the second year. The changes in the yield of eight kinds of vegetables showed basically identical tendency. Compared with the conventional farming system,the yield of organic farming system decreased 11.1% to 64.4%. There was extremely significant difference between the yield of organic and conventional radish, broccoli and tomato, but no significant difference was found in other five kinds of vegetables. Organic tomato and celery were of better quality than conventional ones, containing more vitamin C, dry matter and soluble sugar,less nitrate. There was no significant difference between the quality of organic and conventional broccoli,cucumber and vegetable soybean. The quality of SEQ and special farming vegetables ranged between organic and conventional ones.

Key words: organic farming, SEQ farming, special farming, conventional farming, vegetable, yield, quality