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《創(chuàng)新中國》:大數(shù)據(jù)時代,從看天吃飯走向知天而作

2018-03-30 17:02:55 來源:中國農(nóng)機網(wǎng) 作者:四夕 閱讀量:46355 評論

  【中國農(nóng)機網(wǎng) 本站原創(chuàng)】這段時間,朋友圈已經(jīng)被紀錄片《創(chuàng)新中國》刷屏?!秳?chuàng)新中國》,央視出品,豆瓣評分9.3分,是繼《超級工程》、《航拍中國》之后的一部講述超前沿科學(xué)的大型紀錄片。在集“為農(nóng)業(yè)服務(wù)的衛(wèi)星”中,向我們展示了如何運用大數(shù)據(jù)來解決長久以來制約我國農(nóng)業(yè)發(fā)展現(xiàn)代化的難題。
 
  在農(nóng)業(yè)高度機械化的國家,例如美國,基本憑借著地多人少的優(yōu)勢,生產(chǎn)高度區(qū)域化和專業(yè)化、經(jīng)營集約化和產(chǎn)業(yè)化,為我國的農(nóng)業(yè)發(fā)展現(xiàn)代化提供了借鑒作用。然而,因為國情的不同,顯然美國的成功模式不能被簡單復(fù)制,那么,在衛(wèi)星數(shù)據(jù)進入上升階段的新時期,我們應(yīng)該如何運用大數(shù)據(jù)來解決長久以來制約我國農(nóng)業(yè)發(fā)展現(xiàn)代化的難題呢?
 
  一畝三分地的困境
 
  “中國土地其實是比較破碎的,一人一畝三分地的狀況,生產(chǎn)的集約化難以做到,需要更多的人力物力去投入,才能把每塊地都經(jīng)營好。”相對比于美國而言,有著長達幾十米收割盤的聯(lián)合收割機在中國顯然是要“水土不服”的,面積廣闊的山地丘陵使得一些超大型農(nóng)機無法順利運作。而另一方面,農(nóng)民因為自身知識水平以及缺乏有效的信息支撐等原因,大部分還是沿用傳統(tǒng)的耕作操作,這與現(xiàn)代科技在農(nóng)業(yè)上的運用產(chǎn)生了不能忽視的矛盾。
 
  農(nóng)村里,尤其是能留下來務(wù)農(nóng)的“真農(nóng)民”一般教育程度較低,年齡普遍較大,農(nóng)民素質(zhì)需要進一步提高。企業(yè)和農(nóng)戶的生產(chǎn)經(jīng)營缺乏有效的信息引導(dǎo),科技、生產(chǎn)、市場不能形成聯(lián)動,農(nóng)民不知道什么機器是適合使用的,即便知道也有可能因為價格等各方面原因而無法購買,甚至有的已經(jīng)購買了,卻因為不會操作而廢置。農(nóng)業(yè)機械面臨無人會操作、無人可操作的困境。此外,落后的基礎(chǔ)設(shè)施條件也為農(nóng)機在農(nóng)村的使用增加了難度。
 
  “靠山吃山、靠水吃水”,水分、溫度、土壤等自然條件的制約也影響著我國的農(nóng)業(yè)現(xiàn)代化發(fā)展。就當前形勢而言,我國的現(xiàn)代化農(nóng)業(yè)發(fā)展面臨著信息技術(shù)先進而傳統(tǒng)產(chǎn)業(yè)落后、單項技術(shù)而技術(shù)集成缺乏、產(chǎn)業(yè)鏈需求旺盛而基礎(chǔ)工作不足的問題。
 
  從看天吃飯走向知天而作
 
  大數(shù)據(jù)時代,農(nóng)業(yè)逐步走向農(nóng)業(yè)的道路。通過對氣候、土壤和空氣質(zhì)量、作物成熟度等各種實時數(shù)據(jù)的收集,來分析預(yù)測農(nóng)產(chǎn)品產(chǎn)量至關(guān)重要。航拍加衛(wèi)星導(dǎo)航系統(tǒng),對人類肉眼難以分析出來的信息給出更加準確的數(shù)據(jù)。
 
  從選擇合適的種子、適宜的種植密度,到病蟲害防控、灌溉、施肥,再到收獲和倉儲,在每個種植季中,農(nóng)民需要作出40~50 項決定,而這些決定都會影響終收成。美國航空航天局前大數(shù)據(jù)家張弓說,上萬畝的蘋果園里要數(shù)出每一棵樹上蘋果花的數(shù)量,花的數(shù)量反映了未來蘋果的產(chǎn)量,是重要的評估數(shù)據(jù),而人眼難以識別的這些數(shù)據(jù),機器可以做到。他還舉例通過大數(shù)據(jù)預(yù)估分析可以知道山東壽光每天可以提供的蔬菜量,從而降低市場波動風(fēng)險,終影響到五百公里外的北京市場上的蔬菜價格。這些都是大數(shù)據(jù)在農(nóng)業(yè)領(lǐng)域的應(yīng)用。
 
  很明顯,農(nóng)業(yè)模式下,通過提供作物大數(shù)據(jù)、氣象預(yù)測以及病蟲害預(yù)警服務(wù),可以實現(xiàn)中國農(nóng)業(yè)從傳統(tǒng)“看天吃飯”的經(jīng)驗?zāi)J降?ldquo;知天而作”的現(xiàn)代數(shù)據(jù)農(nóng)業(yè)模式的轉(zhuǎn)變,“天時地利人和”有了更大的把握空間。
 
  結(jié)語
 
  中國作為人口大國,而“民以食為天”的說法又暗含著糧食生產(chǎn)對中國社會穩(wěn)定發(fā)展的作用,糧食安全作為我國的國家戰(zhàn)略地位非常牢固,因此,農(nóng)業(yè)現(xiàn)代化的發(fā)展至關(guān)重要??萍贾巫鳛檗r(nóng)業(yè)發(fā)展進步的重要因素,機械化程度的高低更是整個農(nóng)業(yè)價值鏈的一個重要組成部分。
 
  “危樓高百尺,手可摘星辰”。今天,信息技術(shù)將為傳統(tǒng)農(nóng)業(yè)注入新的活力。新一代的衛(wèi)星技術(shù)觀察已經(jīng)達到亞米級別,這意味著從萬里高空也可以看到地面幾十厘米大小的物體,結(jié)合高分辨率的衛(wèi)星影像,大數(shù)據(jù)算法正悄無聲息地影響著我們每天的生活。
 
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