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Impact of non-agricultural employment and land transfer on farmland abandonment behaviors of farmer: A case study in Fujian-Jiangxi-Hunan Mountainous Areas
Received date: 2020-12-07
Request revised date: 2021-05-26
Online published: 2022-02-16
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Farmland abandonment is a land use change phenomenon that has long been prevalent in countries around the world. Based on data from a survey of 640 farming households in Fujian-Jiangxi-Hunan Mountainous Areas, regressions using the Tobit and IV-Tobit models show that for every 10% increase in non-farm employment of farming households, the proportion of cultivated land abandoned increases by 1.11%. Land transfer of small-scale farmers will increase their farmland abandonment scale. At this time, expanding the scale of operation will have little effect on alleviating farmland abandonment, and the land transfer will reduce the positive impact of non-agricultural employment on farmland abandonment. In addition, there are factors that have stable affect on farmland abandonment of farmers, namely, labor input, land input, agricultural machinery input, irrigation conditions, and the number of plots. Agricultural mechanization and land transfer are important initiatives to alleviate farmland abandonment in mountainous areas. While promoting the expansion of the scale of operations, the government should focus on increasing the size of plots, encouraging the exchange of labors for farming in villages, and improving the level of socialized agricultural machinery services, as well as broadening diversified income opportunities for farming households.
XIE Hua-lin , HUANG Ying-qian . Impact of non-agricultural employment and land transfer on farmland abandonment behaviors of farmer: A case study in Fujian-Jiangxi-Hunan Mountainous Areas[J]. JOURNAL OF NATURAL RESOURCES, 2022 , 37(2) : 408 -423 . DOI: 10.31497/zrzyxb.20220210
表1 变量含义、描述性统计与预期方向Table 1 Variable meaning, descriptive statistics, and expected direction |
变量 | 定义与赋值 | 均值 | 标准差 | 预期方向 |
---|---|---|---|---|
是否撂荒 | 农户家庭是否有耕地撂荒(0=否;1=是) | 0.42 | 0.493 | |
耕地撂荒占比 | 耕地撂荒面积占家庭承包土地面积的比例/% | 0.17 | 0.280 | |
非农就业 | 非农业劳动力与家庭总劳动力之比/% | 0.24 | 0.223 | +/- |
土地转入 | 是否参与土地转入(0=否;1=是) | 0.25 | 0.433 | - |
土地转出 | 是否参与土地转出(0=否;1=是) | 0.23 | 0.424 | - |
ln(劳动力投入) | 农业劳动力数量/家庭承包土地面积/(人/亩) | 0.25 | 0.246 | - |
土地投入 | 家庭实际耕种的土地面积/亩 | 5.30 | 12.841 | - |
ln(农业机械投入) | 农户获得农机服务所需投入的资金/元 | 2.74 | 3.209 | - |
户主年龄 | 2019-出生年份/岁 | 54.08 | 10.379 | +/- |
受教育程度 | 户主是否具有高中及以上学历(0=否;1=是) | 0.17 | 0.378 | +/- |
劳动力规模 | 农户家庭15~64岁的劳动力人数/人 | 2.83 | 1.44 | +/- |
老年人口数 | 农户家庭65岁及以上的人数/人 | 0.77 | 0.873 | + |
ln(家庭人均年收入) | 家庭年总收入/家庭总人口/(元/人) | 9.31 | 1.027 | +/- |
ln(养殖收入) | 农户家庭禽畜和水产养殖的收入/元 | 0.04 | 0.113 | +/- |
灌溉条件 | 1=好;2=一般;3=差 | 1.73 | 0.741 | - |
地块数 | 农户耕种的地块数/块 | 17.52 | 37.80 | + |
表2 耕地撂荒的描述性分析Table 2 Descriptive analysis of farmland abandonment |
变量 | 高非农就业率 | 低非农就业率 | 土地转入户 | 非土地转入户 | 土地转出户 | 非土地转出户 |
---|---|---|---|---|---|---|
是否撂荒 | 0.451 | 0.375 | 0.362 | 0.433 | 0.400 | 0.420 |
耕地撂荒占比 | 0.192 | 0.154 | 0.155 | 0.181 | 0.123 | 0.191 |
表3 非农就业和土地流转对农户耕地撂荒行为的影响Table 3 Impacts of non-agricultural employment and land transfer on farmers' behaviors to farmland abandonment |
变量 | 模型1 | 模型2 | 模型3 | 模型4 | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
系数B | dy/dx | 系数B | dy/dx | 系数B | dy/dx | 系数B | dy/dx | ||||
非农就业 | 0.499*** | 0.208*** | 0.323*** | 0.137*** | 0.229* | 0.097* | 0.263* | 0.111* | |||
(0.136) | (0.057) | (0.122) | (0.051) | (0.132) | (0.056) | (0.142) | (0.060) | ||||
土地转入 | -0.108 | -0.045 | 0.083 | 0.035 | 0.105 | 0.045 | 0.128* | 0.054* | |||
(0.069) | (0.029) | (0.075) | (0.032) | (0.076) | (0.032) | (0.070) | (0.030) | ||||
土地转出 | -0.256*** | -0.107*** | -0.402*** | -0.170*** | -0.405*** | -0.172*** | -0.388*** | -0.164*** | |||
(0.072) | (0.030) | (0.074) | (0.031) | (0.074) | (0.031) | (0.073) | (0.031) | ||||
ln(劳动力投入) | -0.481*** | -0.204*** | -0.547*** | -0.232*** | -0.512*** | -0.217*** | |||||
(0.121) | (0.051) | (0.122) | (0.052) | (0.116) | (0.049) | ||||||
土地投入 | -0.028** | -0.012** | -0.029** | -0.012** | -0.027** | -0.012** | |||||
(0.012) | (0.005) | (0.013) | (0.005) | (0.012) | (0.005) | ||||||
ln(农业机械投入) | -0.054*** | -0.023*** | -0.056*** | -0.024*** | -0.053*** | -0.023*** | |||||
(0.010) | (0.004) | (0.010) | (0.004) | (0.009) | (0.004) | ||||||
户主年龄 | 0.004 | 0.002 | 0.002 | 0.001 | |||||||
(0.003) | (0.001) | (0.003) | (0.001) | ||||||||
受教育程度 | 0.083 | 0.035 | 0.075 | 0.032 | |||||||
(0.067) | (0.028) | (0.062) | (0.026) | ||||||||
劳动力规模 | 0.051** | 0.022** | 0.048** | 0.020** | |||||||
(0.020) | (0.009) | (0.019) | (0.008) | ||||||||
老龄人口数 | 0.078** | 0.033** | 0.077*** | 0.032*** | |||||||
(0.031) | (0.013) | (0.030) | (0.012) | ||||||||
ln(家庭年收入) | -0.031 | -0.013 | |||||||||
(0.030) | (0.012) | ||||||||||
ln(养殖收入) | -0.016** | -0.007* | |||||||||
(0.008) | (0.003) | ||||||||||
灌溉条件 | 0.196*** | 0.083*** | |||||||||
(0.034) | (0.014) | ||||||||||
地块数 | 0.001** | 0.001** | |||||||||
(0.001) | (0.000) | ||||||||||
常数 | 0.095 | 0.466*** | 0.090 | 0.186 | |||||||
(0.068) | (0.088) | (0.180) | (0.313) | ||||||||
省域 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | |||
Log-likelihood | -697.61 | -669.46 | -666.07 | -646.57 | |||||||
Pseudo R2 | 0.0401 | 0.1313 | 0.1428 | 0.1907 | |||||||
样本量/个 | 640 | 640 | 640 | 640 | 640 | 640 | 640 | 640 |
注:***p<0.01、**p<0.05、*p<0.1;dy/dx是变量的平均边际效应;括号内数字为稳健性标准误;下同。 |
表4 非农就业和土地流转对农户耕地撂荒行为的交互影响Table 4 Interactive effect of non-agricultural employment and land transfer on farmers' behaviors to farmland abandonment |
变量 | 模型5 | 模型6 | |||
---|---|---|---|---|---|
系数B | dy/dx | 系数B | dy/dx | ||
非农就业 | 0.117 | 0.049 | 0.314** | 0.133** | |
(0.148) | (0.062) | (0.146) | (0.062) | ||
土地转入 | 0.178** | 0.074** | |||
(0.069) | (0.029) | ||||
土地转出 | -0.373*** | -0.158*** | |||
(0.073) | (0.031) | ||||
非农就业×土地转入 | -0.196 | -0.082 | |||
(0.291) | (0.122) | ||||
非农就业×土地转出 | -0.404* | -0.171* | |||
(0.238) | (0.101) | ||||
控制变量 | Yes | Yes | Yes | Yes | |
省域 | Yes | Yes | Yes | Yes | |
常数 | 0.044 | 0.302 | |||
(0.325) | (0.323) | ||||
Log-likelihood | -659.21 | -645.14 | |||
Pseudo R2 | 0.1536 | 0.1896 | |||
样本量/个 | 640 | 640 | 640 | 640 |
表5 工具变量(IV)估计和稳健性检验Table 5 Instrumental variable (IV) estimation and robustness test |
变量 | 模型7 | 模型8 | 模型9 | ||||||
---|---|---|---|---|---|---|---|---|---|
第一阶段 | 第二阶段 | 第一阶段 | 第二阶段 | 分样本第二阶段 | |||||
NAE (OLS) | AP (IV-Tobit) | MLTI (OLS) | AP (IV-Tobit) | AP (IV-Tobit) | |||||
IV:村级非农就业 | 0.124** (0.055) | 0.279** (0.123) | |||||||
非农就业 | 3.507* | 1.563* | 3.211* | ||||||
(2.087) | (0.931) | (1.864) | |||||||
土地转入 | -0.017 | 0.190** | -0.180*** | 0.408** | 0.169* | ||||
(0.018) | (0.095) | (0.039) | (0.193) | (0.095) | |||||
土地转出 | 0.077*** | -0.650*** | 0.136*** | -0.588*** | -0.647*** | ||||
(0.018) | (0.190) | (0.040) | 0.161 | (0.205) | |||||
控制变量 | Yes | Yes | Yes | Yes | Yes | ||||
省域 | Yes | Yes | Yes | Yes | Yes | ||||
常数 | -0.719*** | 2.549 | -1.392*** | 2.207 | 2.362* | ||||
(0.091) | (1.573) | (0.204) | (1.377) | (1.405) | |||||
F | 27.97*** | 26.93*** | |||||||
内源性Wald | 100.66*** | 98.81*** | 74.45*** | ||||||
Wald外生性检验(Prob>chi2) | 0.0306 | 0.0304 | 0.0207 | ||||||
样本量/个 | 640 | 640 | 640 | 640 | 467 |
注:NAE表示非农就业;OLS表示普通最小二乘法;AP表示耕地撂荒占比;MLTI表示非农收入占比;括号内数字为普通标准误。 |
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