期刊论文

Evaluation of Production and Carbon Benefit of Different Vegetables

中文

农业资源与环境学报

2095-6819

2016

33

1

92-101

10.13254/j.jare.2015.0121

湖南省财政厅专项基金（2013017）；

本校为第一机构

实验通过对浏阳市4个农场2种生产模式8种蔬菜3年的经济（生产成本、投入产出比等）和环境（碳排放量、碳足迹）指标值进行分析,结果表明:（1）有机生产模式的投入产出比和碳足迹分别为无公害生产的18.5%和87.4%;（2）肥料和电耗是最主要的碳排放来源,分别占碳排放总量的58.76%和16.67%;（3）碳排放量和碳足迹都与N肥之间成正相关关系,即施用的N肥越多,碳排放量就越多,碳足迹也越大;（4）有机模式下,有机肥用量达到122 352 kg·hm-2时,作物产量最大;而无公害模式下,农用化学品投入20 103元·hm-2时,叶菜产量最大。因此,要保障蔬菜增产丰收,同时尽可能地减少碳排放量,其主要出路在于推广有机模式,...

This study analyzed environmental and economic benefits of 8 types of vegetables in 4 different farms over 3 years. The specific results were as follows：（ 1 ）The input-output ratio and carbon footprint of organic production mode was 18.5% and 87.4% of that of pollutionfree mode, respectively; （2）Fertilizer and power consumption was the main source of carbon emissions, accounting for 58.76% and 16.67% of total carbon emissions, respectively; （3）There were positive correlations between N fertilizer and both carbon emissions and carbon foot...