《設施栽培甜瓜水肥一體化技術規程》
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《設(she)施栽培甜瓜(gua)(gua)水肥一(yi)(yi)體化(hua)技(ji)術(shu)(shu)規(gui)程》根據陜西省市(shi)場監督管理局(ju)2019年(nian)第二批地方標(biao)準(zhun)制訂計(ji)劃項目(mu)《設(she)施栽培甜瓜(gua)(gua)水肥一(yi)(yi)體化(hua)技(ji)術(shu)(shu)規(gui)程》(立項編號(hao):SDBXM-135-2019),由渭南市(shi)農(nong)業科學(xue)研究所、蒲城縣農(nong)業技(ji)術(shu)(shu)推廣中心、楊凌東方千圃莊園農(nong)業專業合作社協同制訂。
西(xi)(xi)北農林(lin)科技大(da)學資源環境學院(yuan)設(she)施(shi)(shi)栽培(pei)土-肥(fei)(fei)(fei)(fei)-水(shui)管理教學科研團(tuan)隊長期從(cong)事設(she)施(shi)(shi)栽培(pei)蔬菜土壤肥(fei)(fei)(fei)(fei)力、施(shi)(shi)肥(fei)(fei)(fei)(fei)及水(shui)肥(fei)(fei)(fei)(fei)一(yi)體化(hua)方面(mian)的研究,2016-2018年結合課程實(shi)習及國(guo)家重點(dian)研發計劃項目“西(xi)(xi)甜(tian)瓜化(hua)肥(fei)(fei)(fei)(fei)農藥(yao)減施(shi)(shi)增(zeng)效基(ji)礎及關(guan)鍵(jian)技術研發”課題在陜(shan)西(xi)(xi)甜(tian)瓜主產區閻良區、蒲城(cheng)縣(xian)、富平縣(xian)等(deng)(deng)地(di)調查了陜(shan)西(xi)(xi)省設(she)施(shi)(shi)栽培(pei)甜(tian)瓜施(shi)(shi)肥(fei)(fei)(fei)(fei)、灌(guan)水(shui)現(xian)狀,調研結果發現(xian),設(she)施(shi)(shi)栽培(pei)甜(tian)瓜生產中過量(liang)施(shi)(shi)肥(fei)(fei)(fei)(fei)、灌(guan)溉(gai)問題突(tu)出(發表論文(wen):郭亞雯等(deng)(deng),2020,植物營養(yang)與(yu)肥(fei)(fei)(fei)(fei)料學報),主要表現(xian)有水(shui)肥(fei)(fei)(fei)(fei)一(yi)體化(hua)條件(jian)下(xia)灌(guan)水(shui)頻率和灌(guan)水(shui)量(liang)與(yu)漫灌(guan)、溝灌(guan)相近甚至高(gao)于傳(chuan)(chuan)統量(liang),節水(shui)灌(guan)溉(gai)設(she)備(bei)效應(ying)低。基(ji)施(shi)(shi)化(hua)肥(fei)(fei)(fei)(fei)養(yang)分(fen)比(bi)例過高(gao),水(shui)肥(fei)(fei)(fei)(fei)一(yi)體化(hua)追肥(fei)(fei)(fei)(fei)占比(bi)少,未(wei)發揮水(shui)肥(fei)(fei)(fei)(fei)一(yi)體化(hua)應(ying)有作用,也(ye)不符(fu)合西(xi)(xi)甜(tian)瓜各(ge)生育期對(dui)養(yang)分(fen)需求(qiu)的規(gui)律。肥(fei)(fei)(fei)(fei)料選擇不科學,農戶對(dui)肥(fei)(fei)(fei)(fei)料選擇主要依賴(lai)商家宣傳(chuan)(chuan),養(yang)分(fen)投(tou)入不平衡。
基(ji)于以(yi)上問題,西北農(nong)林科技(ji)大學與渭(wei)南市農(nong)業科學研究所、蒲城縣農(nong)業技(ji)術(shu)推廣(guang)中心,楊凌東(dong)方(fang)千圃莊園農(nong)業專(zhuan)業合作(zuo)社(she)向陜西省技(ji)術(shu)監督局提出(chu)了申(shen)請制定《設(she)施(shi)(shi)栽培(pei)甜(tian)(tian)(tian)瓜水(shui)(shui)(shui)(shui)肥(fei)(fei)一體化(hua)技(ji)術(shu)規程》,2019年獲(huo)得立(li)項。該地方(fang)標準(zhun)是在系統(tong)研究甜(tian)(tian)(tian)瓜不(bu)同生(sheng)育階段養(yang)分、水(shui)(shui)(shui)(shui)分需求特(te)征、土壤(rang)適宜含水(shui)(shui)(shui)(shui)量的(de)基(ji)礎上,充(chong)分發揮水(shui)(shui)(shui)(shui)肥(fei)(fei)一體化(hua)施(shi)(shi)肥(fei)(fei)灌(guan)溉系統(tong)優勢,制定甜(tian)(tian)(tian)瓜不(bu)同生(sheng)育期(qi)養(yang)分施(shi)(shi)用(yong)比(bi)例、數量、灌(guan)水(shui)(shui)(shui)(shui)定額(e)、灌(guan)水(shui)(shui)(shui)(shui)周(zhou)期(qi),以(yi)及陜西設(she)施(shi)(shi)甜(tian)(tian)(tian)瓜目標產(chan)品(pin)水(shui)(shui)(shui)(shui)平下施(shi)(shi)肥(fei)(fei)、灌(guan)溉定額(e)等(deng)水(shui)(shui)(shui)(shui)肥(fei)(fei)一體化(hua)精準(zhun)管理技(ji)術(shu)。該技(ji)術(shu)在多地區推廣(guang)應用(yong),實(shi)現(xian)甜(tian)(tian)(tian)瓜化(hua)肥(fei)(fei)氮(dan)、磷(lin)和鉀施(shi)(shi)用(yong)總(zong)量較常(chang)規施(shi)(shi)肥(fei)(fei)減少65%、84%和68%,利用(yong)含有紫外線殺菌(jun)設(she)施(shi)(shi)對回(hui)水(shui)(shui)(shui)(shui)肥(fei)(fei)水(shui)(shui)(shui)(shui)進行處理,有效抑制植(zhi)水(shui)(shui)(shui)(shui)體中細菌(jun)霉菌(jun)的(de)滋生(sheng),植(zhi)物生(sheng)長更茂(mao)盛。與同類標準(zhun)相比(bi),更符合陜西生(sheng)產(chan)實(shi)際(ji)情況(kuang),技(ji)術(shu)內容齊全(quan),指標參數明確,便于操作(zuo)實(shi)施(shi)(shi)。