Arid Land Geography ›› 2023, Vol. 46 ›› Issue (5): 782-792.doi: 10.12118/j.issn.1000-6060.2022.391
• Land Use and Agricultural Development • Previous Articles Next Articles
KONG Deming1,2(),HAO Lisha1,2(),XIA Siyou3,4,LI Hongbo1,2
Received:
2022-08-09
Revised:
2022-11-10
Online:
2023-05-25
Published:
2023-06-05
KONG Deming, HAO Lisha, XIA Siyou, LI Hongbo. Food security in the argo-pastoral ecotone of northern China from the perspective of grain yield[J].Arid Land Geography, 2023, 46(5): 782-792.
Tab. 1
Indicator system of influencing factors of grain yield in the argo-pastoral ecotone of northern China"
方面 | 指标 | 符号 | 指标内涵 |
---|---|---|---|
社会生产条件 | 种粮人口规模/104人 | X1 | 从事粮食生产活动的劳动力保障,粮食生产活动得以进行的基本要素 |
粮食播种面积/hm2 | X2 | 反映了实际用于粮食生产的耕地面积,是粮食生产的基础载体,并且与农业现代化、规模化经营相关,能够影响农机、化肥、农药等的使用效率和规模经济效益 | |
有效灌溉面积/hm2 | X3 | 旱作农业生产条件的重要因素之一 | |
农业机械总动力/104 kW | X4 | 现代农业生产中影响粮食单产最重要的生产条件之一 | |
化肥施用量/t | X5 | 现代农业生产中影响粮食单产最重要的生产条件之一 | |
农村用电量/104 kW·h | X6 | 现代农业生产中影响粮食单产最重要的生产条件之一 | |
自然条件 | 坡度/(°) | X7 | 控制北方农牧交错带耕地分异大势的主要地形条件 |
海拔/m | X8 | 控制北方农牧交错带耕地分异大势的主要地形条件 | |
土壤肥力 | X9 | 耕地质量的主要指标,采用土壤肥力综合指数表示[ | |
年平均气温/℃ | X10 | 控制北方农牧交错带耕地分异大势的主要气候条件,主要影响粮食生产的水热条件 | |
年日照时数/h | X11 | 控制北方农牧交错带耕地分异大势的主要气候条件,主要影响粮食生产的水热条件 | |
年降水量/mm | X12 | 控制北方农牧交错带耕地分异大势的主要气候条件,主要影响粮食生产的水热条件 |
Tab. 2
Explanatory power detection of influencing factors of grain yield in the argo-pastoral ecotone of northern China"
指标 | 2000年 | 2020年 | |||
---|---|---|---|---|---|
q | P | q | P | ||
X1 | 0.255** | 0.040 | 0.130** | 0.035 | |
X2 | 0.109** | 0.020 | 0.090** | 0.042 | |
X3 | 0.157*** | 0.010 | 0.173*** | 0.002 | |
X4 | 0.110** | 0.026 | 0.210*** | 0.005 | |
X5 | 0.151** | 0.046 | 0.245** | 0.033 | |
X6 | 0.109** | 0.027 | 0.206*** | 0.004 | |
X7 | 0.120** | 0.012 | 0.101** | 0.044 | |
X8 | 0.096** | 0.022 | 0.226*** | 0.000 | |
X9 | 0.085** | 0.035 | 0.088** | 0.039 | |
X10 | 0.081** | 0.047 | 0.191*** | 0.003 | |
X11 | 0.114*** | 0.003 | 0.178*** | 0.007 | |
X12 | 0.144*** | 0.004 | 0.244*** | 0.000 |
Tab. 3
Explanatory power of interaction of various factors on grain yield"
年份 | 指标 | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X10 | X11 | X12 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2000 | X1 | - | |||||||||||
X2 | 0.534NE | - | |||||||||||
X3 | 0.654NE | 0.429NE | - | ||||||||||
X4 | 0.636NE | 0.396NE | 0.336NE | - | |||||||||
X5 | 0.760NE | 0.545NE | 0.540NE | 0.525NE | - | ||||||||
X6 | 0.616NE | 0.397NE | 0.346NE | 0.126BE | 0.518NE | - | |||||||
X7 | 0.649NE | 0.396NE | 0.353NE | 0.315NE | 0.524NE | 0.315NE | - | ||||||
X8 | 0.665NE | 0.377NE | 0.408NE | 0.293NE | 0.502NE | 0.297NE | 0.439NE | - | |||||
X9 | 0.641NE | 0.331NE | 0.336NE | 0.338NE | 0.518NE | 0.333NE | 0.410NE | 0.295NE | - | ||||
X10 | 0.625NE | 0.326NE | 0.333NE | 0.340NE | 0.506NE | 0.334NE | 0.396NE | 0.287NE | 0.106BE | - | |||
X11 | 0.560NE | 0.340NE | 0.401NE | 0.367NE | 0.633NE | 0.368NE | 0.477NE | 0.395NE | 0.514NE | 0.516NE | - | ||
X12 | 0.566NE | 0.372NE | 0.431NE | 0.360NE | 0.639NE | 0.362NE | 0.468NE | 0.403NE | 0.353NE | 0.350NE | 0.372NE | - | |
年份 | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X10 | X11 | X12 | |
2020 | X1 | - | |||||||||||
X2 | 0.377NE | - | |||||||||||
X3 | 0.392NE | 0.469NE | - | ||||||||||
X4 | 0.479NE | 0.448NE | 0.396NE | - | |||||||||
X5 | 0.554NE | 0.602NE | 0.474NE | 0.413BE | - | ||||||||
X6 | 0.475NE | 0.444NE | 0.389NE | 0.215BE | 0.407BE | - | |||||||
X7 | 0.530NE | 0.457NE | 0.412NE | 0.423NE | 0.569NE | 0.421NE | - | ||||||
X8 | 0.531NE | 0.431NE | 0.502NE | 0.517NE | 0.634NE | 0.514NE | 0.424NE | - | |||||
X9 | 0.396NE | 0.114BE | 0.468NE | 0.476NE | 0.608NE | 0.474NE | 0.469NE | 0.432NE | - | ||||
X10 | 0.648NE | 0.477NE | 0.645NE | 0.588NE | 0.672NE | 0.594NE | 0.665NE | 0.581NE | 0.489NE | - | |||
X11 | 0.641NE | 0.453NE | 0.649NE | 0.580NE | 0.668NE | 0.586NE | 0.664NE | 0.578NE | 0.441NE | 0.203BE | - | ||
X12 | 0.631NE | 0.548NE | 0.611NE | 0.635NE | 0.684NE | 0.645NE | 0.725NE | 0.635NE | 0.560NE | 0.816NE | 0.815NE | - |
Tab. 4
Production function zoning of the argo-pastoral ecotone of northern China"
类型 | 省(区) | 县域 |
---|---|---|
宜农区(热点区) | 内蒙古自治区 | 科尔沁左翼中旗、开鲁县、松山区、科尔沁区、科尔沁左翼后旗、宁城县、喀喇沁旗 |
辽宁省 | 建平县、凌源市、龙城区 | |
河北省 | 平泉市、承德县、隆化县 | |
陕西省 | 甘泉县、富县、黄陵县、洛川县、黄龙县、宜君县、印台区、王益区 | |
甘肃省 | 永登县、红古区、皋兰县、西固区、城关区、七里河区、永靖县、积石山县、临夏县、临夏市、临洮县、东乡族自治县、和政县、广河县、康乐县、渭源县 | |
青海省 | 民和县、循化县、同仁县、乐都区、互助县、大通县、湟中区、城西区、城北区、城中区、城东区、平安区、化隆县、尖扎县、贵德县 | |
农牧耦合区(次热、次冷点区) | 黑龙江省 | 龙江县、甘南县、泰来县 |
吉林省 | 通榆县、长岭县 | |
辽宁省 | 彰武县、朝阳县、北票市、阜新蒙古族自治县、建昌县等 | |
河北省 | 赤城县、滦平县、怀安县、万全区等 | |
山西省 | 灵丘县、应县、右玉县、山阴县等 | |
陕西省 | 定边县、靖边县、安塞区、延川县等 | |
内蒙古自治区 | 达拉特旗、清水河县、多伦县、林西县等 | |
宁夏回族自治区 | 同心县、隆德县、盐池县、原州区等 | |
甘肃省 | 通渭县、安定区、环县、庆城县等 | |
生态修复区(冷点区) | 内蒙古自治区 | 太仆寺旗、化德县、商都县、察哈尔右翼后旗、察哈尔右翼中旗、察哈尔右翼前旗、集宁区、卓资县、兴和县、凉城县、赛罕区、和林格尔县 |
河北省 | 尚义县 | |
山西省 | 五寨县、保德县、岢岚县、兴县、岚县、临县、方山县、娄烦县、古交市、离石区、柳林县、中阳县、石楼县、汾西县 | |
陕西省 | 吴堡县、绥德县、清涧县 |
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