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农田遥感技术在智慧农业中如何应用?

在智慧农业的数字化转型中,农田遥感技术作为天眼与数据源,通过卫星、无人机、航空器等平台采集农田多维度信息,为精准种植、灾害预警、产量预测等提供科学依据。本文聚焦农田遥感技术在智慧农业中的应用,从动态监测、数据分析到决策支持,揭示其在农业生产全链条中的具体应用场景与价值。
农田遥感技术在智慧农业中如何应用?
来源:江苏叁拾叁

发布时间:2025-10-11

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在智慧农业的数字化转型中,农田遥感技术作为天眼与数据源,通过卫星、无人机、航空器等平台采集农田多维度信息,为精准种植、灾害预警、产量预测等提供科学依据。本文聚焦农田遥感技术在智慧农业中的应用,从动态监测、数据分析到决策支持,揭示其在农业生产全链条中的具体应用场景与价值。

农田遥感技术在智慧农业中如何应用?

作物长势动态监测:精准种植的数字标尺。农田遥感技术通过多光谱、高光谱传感器采集作物光谱数据,结合植被指数(如NDVI、EVI)分析,实现作物生长周期的实时追踪。例如,在东北玉米种植区,卫星遥感每3-5天获取一次NDVI值,可精确识别玉米拔节期、抽雄期等关键生长期,指导农户调整灌溉量与施肥比例。无人机遥感则通过亚米级分辨率图像,监测果园果树叶片黄化、缺素症状,如柑橘园中通过识别叶片氮素含量光谱特征,提前15天预警缺氮风险,避免减产。

土壤墒情与养分分析:科学管护的数据基石。利用热红外、微波遥感技术,农田遥感可穿透地表监测土壤湿度、温度及养分分布。在华北冬小麦产区,卫星微波遥感通过土壤水分反演模型,可获取0-10厘米根层土壤湿度数据,结合气象站雨量数据,生成精准灌溉地图,使节水效率提升30%。同时,通过土壤样本校准与光谱数据融合,可反演土壤有机质、氮磷钾含量,如江苏水稻田通过遥感数据指导侧深施肥,减少化肥使用量20%,提升肥料利用率。

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病虫害早期预警:智能防控的预警雷达。农田遥感通过识别作物光谱异常,结合AI图像识别算法,可提前发现病虫害发生征兆。在云南烟草种植区,无人机搭载高光谱相机,通过监测叶片叶绿素荧光变化,可提前7天预警烟草花叶病,准确率达85%。结合气象数据与虫害发生规律模型,系统可预测稻飞虱、小麦赤霉病等爆发风险区域,指导农户实施精准施药,减少农药使用量30%,降低环境污染。

灾害评估与应对:风险管理的数字盾牌。在洪涝、干旱、霜冻等自然灾害发生后,农田遥感可快速获取受灾面积、作物损失数据。例如,2023年长江流域洪涝灾害中,卫星遥感通过水体识别算法,24小时内完成100万亩农田受灾面积测算,为农业保险快速定损与灾后补种提供依据。在干旱监测中,热红外遥感通过地表温度与植被指数耦合分析,可识别干旱胁迫区域,指导抗旱灌溉资源优先调配。

产量预测与种植结构优化:市场供应的智能参谋。基于历史遥感数据与气候模型,农田遥感可实现区域产量预测。在黑龙江大豆产区,通过整合生长季NDVI、降雨量、积温等数据,结合机器学习模型,可提前30天预测大豆单产,误差率控制在5%以内。这一预测结果不仅指导农户调整种植结构(如增加高附加值作物比例),还为粮食收储、市场供应提供数据支撑,避免谷贱伤农或供不应求现象。

农田遥感技术通过动态监测作物长势、土壤墒情与养分、病虫害风险、灾害影响及产量预测,构建起智慧农业的数据底座。它不仅提升了农业生产的精准度与效率,更推动了从经验种植到数据驱动的转型。随着5G、AI、大数据技术的深度融合,农田遥感将在更广泛的场景中释放潜力,如与农业机器人联动实现空-地-人协同作业,或通过区块链技术实现农产品溯源数据上链,为乡村振兴与粮食安全提供坚实支撑。未来,农田遥感技术将成为智慧农业的数字引擎,驱动农业产业向更高层次、更可持续的方向发展。


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when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${item.ID} [in template "mobile/hydt.shtml" at line 201, column 188] - Reached through: @wtl_col columnId="220" [in template "mobile/hydt.shtml" at line 199, column 105] - Reached through: @wtl_list columnId="15" fields="TITLE... [in template "mobile/hydt.shtml" at line 195, column 73] ---- Java stack trace (for programmers): ---- freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134) at freemarker.core.EvalUtil.coerceModelToTextualCommon(EvalUtil.java:467) at freemarker.core.EvalUtil.coerceModelToStringOrMarkup(EvalUtil.java:389) at freemarker.core.EvalUtil.coerceModelToStringOrMarkup(EvalUtil.java:358) at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:100) at freemarker.core.DollarVariable.accept(DollarVariable.java:63) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:372) at freemarker.core.Environment$NestedElementTemplateDirectiveBody.render(Environment.java:2900) at com.whir.tags.directive.tags.ColumnTag.execute(ColumnTag.java:486) at freemarker.core.Environment.visit(Environment.java:445) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:101) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:372) at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:317) at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271) at freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:242) at freemarker.core.Environment.visitIteratorBlock(Environment.java:642) at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:107) at freemarker.core.IteratorBlock.accept(IteratorBlock.java:93) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:372) at freemarker.core.Environment$NestedElementTemplateDirectiveBody.render(Environment.java:2900) at com.whir.tags.directive.tags.ListTag.execute(ListTag.java:322) at freemarker.core.Environment.visit(Environment.java:445) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:101) at freemarker.core.Environment.visit(Environment.java:330) at freemarker.core.Environment.visit(Environment.java:336) at freemarker.core.Environment.process(Environment.java:309) at freemarker.template.Template.process(Template.java:384) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:396) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:309) at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:257) at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:165) at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:314) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1325) at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1069) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1008) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866) at javax.servlet.http.HttpServlet.service(HttpServlet.java:529) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at 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org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:124) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at 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org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at com.whir.web.filter.JwtAuthenticationTokenFilter.doFilterInternal(JwtAuthenticationTokenFilter.java:286) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) at 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org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:117) at org.springframework.boot.web.servlet.support.ErrorPageFilter.access$000(ErrorPageFilter.java:61) at org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:92) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:110) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at 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