Arid Land Geography ›› 2024, Vol. 47 ›› Issue (1): 48-57.doi: 10.12118/j.issn.1000-6060.2023.291
• Climatology and Hydrology • Previous Articles Next Articles
Received:
2023-06-18
Revised:
2023-07-24
Online:
2024-01-25
Published:
2024-01-26
LI Shiyi, GUAN Quanli. Influence of farmers’ irrigation behavior goals on irrigation water efficiency: A case of Xayar County[J].Arid Land Geography, 2024, 47(1): 48-57.
Tab. 1
Descriptive statistics of main variables"
变量 | 农户单位面积农业产值/元·hm-2 | 单位面积种子投入/元·hm-2 | 单位面积化学投入/元·hm-2 | 单位面积机械投入/元·hm-2 | 单位面积劳动力投入/人·d·hm-2 | 单位面积灌溉用水量/m3·hm-2 |
---|---|---|---|---|---|---|
均值 | 24446.25 | 995.85 | 4496.40 | 3516.08 | 11.70 | 12817.80 |
标准误差 | 7288.65 | 272.03 | 1065.83 | 607.50 | 7.20 | 3443.18 |
最小值 | 10901.93 | 1.58 | 2185.88 | 2196.45 | 0.68 | 5249.93 |
最大值 | 47219.40 | 1536.08 | 8880.08 | 4981.28 | 45.00 | 20883.60 |
Tab. 2
Descriptive statistical analysis of influencing factors of irrigation water use efficiency"
变量 | 变量描述 | 均值 | 标准误差 | 变量类型 |
---|---|---|---|---|
年龄(age)/岁 | 户主的年龄 | 48.39 | 11.74 | 连续变量 |
受教育程度(edu) | 农户的受教育程度分组:1=小学及以下;2=中学;3=高中及以上 | 1.68 | 0.51 | 离散变量 |
农业收入占总收入比重(inc)/% | 农业收入/农户家庭总收入 | 0.60 | 0.20 | 连续变量 |
农业劳动力(labor)/人 | 农户家庭务农劳动力合计 | 2.27 | 0.82 | 连续变量 |
灌溉面积(land)/hm2 | 需灌溉耕地面积合计 | 0.82 | 0.37 | 连续变量 |
耗水作物种植面积占总播种面积比重(str)/% | 耗水作物播种面积/农户家庭总播种面积 | 0.56 | 0.21 | 连续变量 |
节水灌溉面积占总灌溉面积比重(irr)/% | 使用节水灌溉技术的耕地面积/需灌溉的耕地总面积 | 0.22 | 0.34 | 连续变量 |
用水成本(cost)/元·hm-2 | 单位面积水费 | 1753.06 | 227.97 | 连续变量 |
对水资源是否紧缺的认知(d1) | 农户对水资源紧缺的认知:0=不紧缺;1=紧缺 | 0.50 | 0.50 | 离散变量 |
是否为村干部(d2) | 农户是否为村干部:0=否;1=是 | 0.40 | 0.49 | 离散变量 |
是否参与过培训(d3) | 农户是否参与过灌溉相关培训:0=否;1=是 | 0.75 | 0.43 | 离散变量 |
利润最大化(g1) | 农户是否认为最重要的目标是利润最大化:0=其他;1=是 | 0.63 | 0.48 | 离散变量 |
及时灌溉,规避灌溉风险(g2) | 农户是否认为最重要的目标是及时灌溉:0=其他;1=是 | 0.04 | 0.19 | 离散变量 |
减少劳动力投入,增加闲暇时间(g3) | 农户是否认为最重要的目标是减少劳动力投入:0=其他;1=是 | 0.21 | 0.41 | 离散变量 |
节约用水,获得尊重(g4) | 农户是否认为最重要的目标是节约用水,获得尊重:0=其他;1=是 | 0.08 | 0.28 | 离散变量 |
可持续发展(g5) | 农户是否认为最重要的目标是可持续发展:0=其他;1=是 | 0.04 | 0.19 | 离散变量 |
Tab. 3
Frequency distribution of agricultural production technical efficiency and irrigation water efficiency"
效率值 /% | 农业生产技术效率 | 灌溉用水效率 | |||||
---|---|---|---|---|---|---|---|
样本数量 | 比例/% | 累计比例/% | 样本数量 | 比例/% | 累计比例/% | ||
(0, 10] | - | - | - | 2 | 1.30 | 1.30 | |
(10, 20] | - | - | - | 7 | 4.55 | 5.84 | |
(20, 30] | - | - | - | 6 | 3.90 | 9.74 | |
(30, 40] | - | - | - | 25 | 16.23 | 25.97 | |
(40, 50] | 2 | 1.30 | 1.30 | 21 | 13.64 | 39.61 | |
(50, 60] | 5 | 3.25 | 4.55 | 23 | 14.94 | 54.55 | |
(60, 70] | 10 | 6.49 | 11.04 | 22 | 14.29 | 68.83 | |
(70, 80] | 38 | 24.68 | 35.71 | 33 | 21.43 | 90.26 | |
(80, 90] | 52 | 33.77 | 69.48 | 14 | 9.09 | 99.35 | |
(90, 100] | 47 | 30.52 | 100.00 | 1 | 0.65 | 100.00 |
Tab. 4
Estimated results of Tobit model regression"
变量 | 系数 | 标准误 | t | P>|t| |
---|---|---|---|---|
常数 | 0.485893*** | 0.084 | 5.82 | 0.000 |
age | 0.002580*** | 0.001 | 4.09 | 0.000 |
edu | 0.037440*** | 0.013 | 2.79 | 0.006 |
inc | 0.206578*** | 0.042 | 4.94 | 0.000 |
labor | -0.012291 | 0.008 | -1.50 | 0.137 |
land | 0.079413*** | 0.021 | 3.83 | 0.000 |
str | -0.352867*** | 0.042 | -8.39 | 0.000 |
irr | 0.000953 | 0.019 | 0.05 | 0.959 |
cost | -0.000049 | 0.000 | -1.64 | 0.103 |
d1 | 0.044833*** | 0.016 | 2.87 | 0.005 |
d2 | 0.045840*** | 0.016 | 2.87 | 0.005 |
d3 | 0.057562*** | 0.016 | 3.67 | 0.000 |
g1 | 0.066127** | 0.033 | 2.02 | 0.045 |
g2 | 0.021576 | 0.045 | 0.48 | 0.632 |
g3 | -0.121176*** | 0.036 | -3.37 | 0.001 |
g4 | 0.100091** | 0.039 | 2.56 | 0.012 |
g5 | -0.012843 | 0.022 | -0.58 | 0.560 |
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