在美国,无人机精准点喷除草,每英亩增收17 美元,大疆农业,无人机,精准点喷除草-农机网
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地点: 青岛市
开展时间: 2024-04-18
举办单位: 青岛市奶业协会、中凯国际展览(北京)有限公司
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地点: 武汉市
开展时间: 2024-04-19
举办单位: 艾克思博国际会展
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地点: 邢台市
开展时间: 2024-04-28
举办单位: 中国·宁晋(大陆村)农机博览会组委会
在美国,无人机精准点喷除草,每英亩增收17 美元
2022-10-25
13:10:14
来源:DJI大疆农业 阅读量:19890
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导读:大豆田里的玉米杂草比其他杂草都更具破坏性,在美国大约 70% 的玉米都是抗草甘膦的转基因作物,对除草剂有很强抗性。
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农机网 明星企业】美国是世界上最大的大豆生产国和第二大出口国,当地农户为保护耕地,往往选择大豆、玉米轮作的种植方式,这样可以有效利用大豆的固氮能力,提高土壤肥力。然而,也正因为轮作的方式,在玉米收获季,从
联合收割机中掉落的玉米粒越冬后,会在春天发芽,与轮作的大豆抢夺营养、阳光和水分,导致大豆减产。
大豆田里的玉米杂草比其他杂草都更具破坏性,在美国大约 70% 的玉米都是抗草甘膦的转基因作物,对除草剂有很强抗性。常规的大豆除草作业并不能防除玉米杂草,因此对抗豆田里的杂草玉米也成了当地农户棘手的难题。
大豆田中的玉米苗
来自美国爱荷华州的农户 Kyle Miller,家里拥有 2000 英亩的农田。以往 Miller 通常使用
拖拉机进行全田喷洒,不仅浪费农药,还会导致轧苗、土壤压实,造成产量减少。
了解到大疆农业精准解决方案可以针对性点喷除草,能在节省农药的同时带来更高的经济效益,Miller 这次决定使用 DJI + Agremo的联合解决方案来验证精准除草的效果。
大疆精准农业+Ai识别解决方案
点喷准确率超 95%
Miller 首先使用精灵 4 多光谱版采集农田可见光和多光谱影像,通过 Agremo 拼接生成正射影像图,基于 Ai 人工智能分析,可有效检测杂草,并根据杂草严重程度划分为“无杂草、轻度杂草、重度杂草”三个程度的点喷处方图,随后大疆 T30 根据处方图开始喷洒作业,半小时便完成杂草点喷处理。作业结束后,通过实地抽样检测,结果显示:本次精准作业点喷准确率超过 95%。
精灵4 多光谱无人机进行全田监测
Agremo玉米苗杂草检测结果
无人机精准点喷除草
每英亩增收 17.8 美元
根据研究测算表明,大豆田中分布的单株玉米和连片玉米,将分别造成 15% 和 60% 的减产。Miller 家 65 英亩(1英亩≈6亩)的大豆田,预计产量为 3250 蒲式耳(1蒲式耳≈27公斤,50 蒲式耳/英亩),如果不对玉米杂草做处理,将造成总计 208.1 蒲式耳的减产。以每蒲式耳 15 美元的价格计算,Miller 将遭受 3122 美元的损失。
而使用 Agremo 和大疆数字农业解决方案,Miller 最终只需喷洒全田 60% 的面积,节省了大笔费用。
拖拉机全田喷洒与
大疆数字农业+Agremo 解决方案收益对比
以每英亩 7 美元的除草剂价格,对整块 65 英亩的农田进行喷洒的成本为 455 美元;另外,因拖拉机压实土壤造成的产值损失达 975 美元。
拖拉机喷洒收益=$3122(除草的增产收益)-$455(除草剂成本)-$975(产量损失)=$1692
大疆T30农业无人飞机由于只需喷洒 Agremo AI 识别的地方,因此 Miller 只需要花费 60% 的除草剂成本 273 美元。此外,没有了拖拉机碾压作物造成的损失,因此产量更高。
大疆T30喷洒收益=$3122(除草的增产收益)-$273(除草剂成本)=$2849
因此,本次无人机精准点喷技术的应用有效减少了除草剂处理所需的药量和成本,也避免了因驾驶拖拉机造成的碾轧损失,无人机点喷相比拖拉机全田喷洒,每英亩可增收17.8 美元。
与合作伙伴共建智慧农业生态
本次大疆农业的合作伙伴 Agremo 是来自塞尔维亚农业科技公司,专注为全球种植者提供基于无人机影像的 AI 智能分析,以提供有关植物和田地的数据信息。
“让科技之美超越想象”,大疆农业愿意与所有机构开放合作,深度协同资源、数据互联,为更多用户提供全流程的解决方案,以更先进和包容的技术,共同构建智慧农业生态。
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