Influence of farmers’ irrigation behavior goals on irrigation water efficiency: A case of Xayar County
Received date: 2023-06-18
Revised date: 2023-07-24
Online published: 2024-06-20
The predominant share of total water consumption is currently attributed to agricultural water, which serves as the fundamental input for agricultural production and development. However, the intricate climate environment presents formidable challenges to the effective use of agricultural water, accentuating the imbalance between the supply and demand of agricultural water resources. This study delves into micro-level dynamics, specifically exploring the impact of irrigation behavior goal preferences on irrigation water use efficiency. This study aims to optimize strategies and select methods that enhance agricultural water use efficiency, thereby maximizing agricultural benefits within available resources and environmental context constraints. Focusing on traditional farmers in Xayar County, Aksu Prefecture of Xinjiang, China, this study employs a stochastic frontier model to calculate farmers’ technical efficiency in agricultural production and irrigation water efficiency. Subsequently, the Tobit model was applied to examine the influences of irrigation behavior goal preferences and other factors on irrigation water use efficiency. The findings reveal that the average technical efficiency of farmers’ agricultural production is 0.824, with an average irrigation water efficiency of 0.560. Both technical efficiency in agricultural production and irrigation water efficiency fall short of achieving total technical efficiency, indicating potential for improvement. Upon analyzing the influencing factors, we observed that age, education level, proportion of agricultural income in total income, irrigated area, awareness of water shortage, village cadres status, participation in training, preference for profit maximization, and preference for water conservation exert substantial positive effects on irrigation water efficiency. Consequently, the proportion of planting area for water-consuming crops to the total sown area and the preference to reduce labor input have notable negative impacts on irrigation water efficiency. The agricultural labor force, proportion of water-saving irrigated area in the total irrigated area, water use cost, preference for timely irrigation, and sustainable development have no substantial effects on irrigation water use efficiency. Notably, water use costs negatively influence improving irrigation water use efficiency. Several strategic recommendations have been proposed to enhance irrigation water use efficiency, including increasing farmers’ awareness of water conservation, adjusting planting structures, and refining the irrigation water price mechanism.
Shiyi LI , Quanli GUAN . Influence of farmers’ irrigation behavior goals on irrigation water efficiency: A case of Xayar County[J]. Arid Land Geography, 2024 , 47(1) : 48 -57 . DOI: 10.12118/j.issn.1000-6060.2023.291
表1 主要变量的描述性统计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 |
表2 灌溉用水效率影响因素的描述统计分析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 |
表3 农业生产技术效率和灌溉用水效率频数分布表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 | |
表4 Tobit模型回归的估计结果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 |
注:*、**、***分别表示在P<0.1、P<0.05和P<0.01水平上显著;t值为临界值;P为显著性概率。 |
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