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在美國，無人機精準點噴除草，每英畝增收17 美元

2022-10-25 13:10:14 來源：DJI大疆農(nóng)業(yè) 閱讀量：20187 評論

導讀：大豆田里的玉米雜草比其他雜草都更具破壞性，在美國大約 70% 的玉米都是抗草甘膦的轉(zhuǎn)基因作物，對除草劑有很強抗性。

　　【農(nóng)機網(wǎng) 明星企業(yè)】美國是世界上最大的大豆生產(chǎn)國和第二大出口國，當?shù)剞r(nóng)戶為保護耕地，往往選擇大豆、玉米輪作的種植方式，這樣可以有效利用大豆的固氮能力，提高土壤肥力。然而，也正因為輪作的方式，在玉米收獲季，從聯(lián)合收割機中掉落的玉米粒越冬后，會在春天發(fā)芽，與輪作的大豆搶奪營養(yǎng)、陽光和水分，導致大豆減產(chǎn)。
 
　　大豆田里的玉米雜草比其他雜草都更具破壞性，在美國大約 70% 的玉米都是抗草甘膦的轉(zhuǎn)基因作物，對除草劑有很強抗性。常規(guī)的大豆除草作業(yè)并不能防除玉米雜草，因此對抗豆田里的雜草玉米也成了當?shù)剞r(nóng)戶棘手的難題。
 
大豆田中的玉米苗
 
　　來自美國愛荷華州的農(nóng)戶 Kyle Miller，家里擁有 2000 英畝的農(nóng)田。以往 Miller 通常使用拖拉機進行全田噴灑，不僅浪費農(nóng)藥，還會導致軋苗、土壤壓實，造成產(chǎn)量減少。
 
　　了解到大疆農(nóng)業(yè)精準解決方案可以針對性點噴除草，能在節(jié)省農(nóng)藥的同時帶來更高的經(jīng)濟效益，Miller 這次決定使用 DJI + Agremo的聯(lián)合解決方案來驗證精準除草的效果。
 
　　大疆精準農(nóng)業(yè)+Ai識別解決方案
 
　　點噴準確率超 95%
 
　　Miller 首先使用精靈 4 多光譜版采集農(nóng)田可見光和多光譜影像，通過 Agremo 拼接生成正射影像圖，基于 Ai 人工智能分析，可有效檢測雜草，并根據(jù)雜草嚴重程度劃分為“無雜草、輕度雜草、重度雜草”三個程度的點噴處方圖，隨后大疆 T30 根據(jù)處方圖開始噴灑作業(yè)，半小時便完成雜草點噴處理。作業(yè)結(jié)束后，通過實地抽樣檢測，結(jié)果顯示：本次精準作業(yè)點噴準確率超過 95%。
 
精靈4 多光譜無人機進行全田監(jiān)測
 
Agremo玉米苗雜草檢測結(jié)果
 
　　無人機精準點噴除草
 
　　每英畝增收 17.8 美元
 
　　根據(jù)研究測算表明，大豆田中分布的單株玉米和連片玉米，將分別造成 15% 和 60% 的減產(chǎn)。Miller 家 65 英畝(1英畝≈6畝)的大豆田，預計產(chǎn)量為 3250 蒲式耳(1蒲式耳≈27公斤，50 蒲式耳/英畝)，如果不對玉米雜草做處理，將造成總計 208.1 蒲式耳的減產(chǎn)。以每蒲式耳 15 美元的價格計算，Miller 將遭受 3122 美元的損失。
 
　　而使用 Agremo 和大疆數(shù)字農(nóng)業(yè)解決方案，Miller 最終只需噴灑全田 60% 的面積，節(jié)省了大筆費用。
 
　　拖拉機全田噴灑與
 
　　大疆數(shù)字農(nóng)業(yè)+Agremo 解決方案收益對比
 


 

　　以每英畝 7 美元的除草劑價格，對整塊 65 英畝的農(nóng)田進行噴灑的成本為 455 美元；另外，因拖拉機壓實土壤造成的產(chǎn)值損失達 975 美元。
 
　　拖拉機噴灑收益=$3122（除草的增產(chǎn)收益）-$455（除草劑成本）-$975（產(chǎn)量損失）=$1692
 
　　大疆T30農(nóng)業(yè)無人飛機由于只需噴灑 Agremo AI 識別的地方，因此 Miller 只需要花費 60% 的除草劑成本 273 美元。此外，沒有了拖拉機碾壓作物造成的損失，因此產(chǎn)量更高。

　　大疆T30噴灑收益=$3122（除草的增產(chǎn)收益）-$273（除草劑成本）=$2849
 
　　因此，本次無人機精準點噴技術(shù)的應用有效減少了除草劑處理所需的藥量和成本，也避免了因駕駛拖拉機造成的碾軋損失，無人機點噴相比拖拉機全田噴灑，每英畝可增收17.8 美元。
 
　　與合作伙伴共建智慧農(nóng)業(yè)生態(tài)
 
　　本次大疆農(nóng)業(yè)的合作伙伴 Agremo 是來自塞爾維亞農(nóng)業(yè)科技公司，專注為全球種植者提供基于無人機影像的 AI 智能分析，以提供有關(guān)植物和田地的數(shù)據(jù)信息。
 
　　“讓科技之美超越想象”，大疆農(nóng)業(yè)愿意與所有機構(gòu)開放合作，深度協(xié)同資源、數(shù)據(jù)互聯(lián)，為更多用戶提供全流程的解決方案，以更先進和包容的技術(shù)，共同構(gòu)建智慧農(nóng)業(yè)生態(tài)。
 

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