秸秆带状沟覆垄播对旱地马铃薯产量和水分利用效率的影响
陈玉章,田慧慧,李亚伟,柴雨葳,李瑞,程宏波,常磊,柴守玺

Effects of straw strip mulching on furrows and planting in ridges on water use efficiency and tuber yield in dryland potato
Yu-Zhang CHEN,Hui-Hui TIAN,Ya-Wei LI,Yu-Wei CHAI,Rui LI,Hong-Bo CHENG,Lei CHANG,Shou-Xi CHAI
表4 不同处理的经济效益分析
Table 4 Analyses on economic benefits of potato under different treatments
年份
Year
处理
Treatment
总投入
Input cost
(Yuan hm-2)
总收入
Output revenue
(Yuan hm-2)
纯收益
Economic benefit
(Yuan hm-2)
投入产出比
Output/input
2016 RFWN 12000 11299.9 -700.1 0.94
RFN 12000 14411.6 2411.6 1.20
RFB 13650 14585.1 935.1 1.07
CK 10500 6873.9 -3626.1 0.65
2017 RFWN 12000 40156.3 28156.3 3.35
RFN 12000 43492.8 31492.8 3.62
RFB 13650 29049.6 15399.6 2.13
CK 10500 17625.3 7125.3 1.68