Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2017, Vol. 33 ›› Issue (21): 33-37.doi: 10.11924/j.issn.1000-6850.casb16110084

Special Issue: 园艺

Previous Articles     Next Articles

The Quantity of Vegetable Waste in Tianjin: A Preliminary Investigation

He Zongjun, Liang Haitian, Li Feng   

  1. (Tianjin Institute of Agriculture Resources and Environmental Science, Tianjin 300380)
  • Received:2016-11-17 Revised:2017-06-09 Accepted:2017-06-14 Online:2017-07-27 Published:2017-07-27

Abstract: The paper aims to master the quantity of vegetable waste and the feasibility of resource utilization in Tianjin. We determined the average quantity and nutrient content of the waste of cucumber, tomato, eggplant, cauliflower and other vegetables based on the planting area. The results showed that: the average quantity of vegetable waste was as follows: cucumber (64.62 t/hm2), tomato (34.76 t/hm2), eggplant (29.14 t/hm2), cauliflower (41.03 t/hm2), and other vegetables (38.61 t/hm2); the average quantity of vegetable waste was 41.63 t/hm2, the annual output of vegetable waste was 4.163 million tons based on 100 thousand hm2 of the annual multiple cropping area of vegetables in Tianjin. The measurement of nutrients content showed that: the total nutrient of N, P, K was between 4.07%- 7.65% , and the content of heavy metals was far lower than the agriculture industry standard of organic fertilizer. The results indicated that: the vegetable waste was a kind of organic fertilizer with rich resources, adequate nutrient and innocuity.