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地點: 西安市
開展時間: 2025-03-13
舉辦單位: 中國機械工業(yè)聯(lián)合會、中國通信工業(yè)協(xié)會
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地點: 武漢市
開展時間: 2025-03-14
舉辦單位: 北京鼎成創(chuàng)贏國際展覽有限公司
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地點: 成都市
開展時間: 2025-03-15
舉辦單位: 四川省農機服務協(xié)會、四川省農業(yè)機械學會、四川省農業(yè)工程學會、四川省5G產業(yè)聯(lián)盟智慧農業(yè)專委會、中國天
推廣使用有機肥料:讓土地變肥,讓農民增收
2018-06-27
15:44:09
來源:中國農機網整理發(fā)布 閱讀量:30977
評論
【中國農機網 地方農機】 作為農業(yè)大國,目前我國農業(yè)發(fā)展處于歷史拐點中,農業(yè)生產已由追求產量向提升質量轉變,由于前期我國濫用肥料,導致部分地區(qū)土壤流失嚴重,為保證農業(yè)的可持性發(fā)展,近年來國家大力提倡減少化肥使用量,推廣使用有機肥、新型肥料等,目前各地成效顯著。其中,江西、貴州、安徽等地區(qū)起到了很好的示范作用。
江西:推廣綠肥,肥了農田富了農民
綠肥是用作肥料的綠色植物體,是中國傳統(tǒng)的重要有機肥料之一。近年來,江西各級農業(yè)部門高度重視恢復綠肥生產工作,并多方爭取資金實施綠肥種植補貼,使綠肥種植面積迅速得到有效恢復,農民種植意愿明顯提高。近年全省稻田紫云英種植面積穩(wěn)定在500萬畝以上,肥田蘿卜、油菜綠肥、果園綠肥和其他豆科綠肥作物面積也在不斷增加。
據了解,紫云英是非常清潔的有機肥源,紫云英花更是很好的蜂蜜蜜源。它易于栽培,生產管理低于其他農作物,種植紫云英畝均可節(jié)本增收60元,并能有效增加土壤有機質含量,改善土壤理化性能,提升耕地土壤肥力。綠肥在提高了耕地綜合生產能力,生物固氮,減少化肥投入10%-30%,減輕了農田面源污染,綠色生態(tài),提高
農產品質量。
貴州岑鞏縣:推廣有機肥5萬畝
今年以來,貴州省黔東南苗族侗族自治州岑鞏縣加大有機肥推廣應用力度,目前共計推廣有機肥面積5.04萬畝,施用有機肥13850噸。其中,水稻有機肥推廣面積1.2萬畝,施用有機肥6000噸;果樹有機肥推廣面積6000畝,施用有機肥2500噸;蔬菜推廣面積5000畝,施用有機肥2000噸;花卉推廣面積2000畝,施用有機肥410噸;烤煙推廣面積2.34萬畝,施用有機肥2420噸;中藥材推廣面積2000畝,施用有機肥520噸。
岑鞏縣緊緊圍繞“穩(wěn)糧增收調結構,提質增效轉方式”的工作主線,大力推進化肥減量提效工作。岑鞏縣以產業(yè)發(fā)展為基礎,主動作為,以增施有機肥作為減少化肥用量的有效行動抓手,引導、鼓勵和支持農業(yè)經營主體、種植大戶和廣大農戶增施有機肥。
安徽桐城:有機肥讓“桐城小花”茶香四溢
“桐城小花”是歷史名茶,史稱“品不減龍井”,也是安徽茶葉的一張名片。近年來,由于化肥的過量使用,桐城茶園的土壤出現(xiàn)了板結硬化的現(xiàn)象,茶葉品質也受到了影響。
去年,農業(yè)農村部公布了果菜茶有機肥替代化肥行動方案,桐城市作為茶葉有機肥替代化肥示范縣,開展了多項茶葉有機肥替代化肥行動。經過一年多的項目實施,有機肥用量提高了21.43%,且茶葉質量明顯變好。
據了解,在有機肥施用上,當地示范區(qū)茶葉有機肥每畝施用量從2016年的87.5公斤(實物量)提高到了2017年的106.25公斤,畝均增加18.75公斤,增幅達21.43%。桐城市還通過購買服務的方式,支持2家有機肥企業(yè)參與5家畜禽養(yǎng)殖戶的糞污資源化利用,采用補貼的方式,鼓勵新型農業(yè)經營主體施用商品有機肥。另外,桐城市還集中推廣秸稈還田、商品有機肥施用、沼液還田、種植綠肥等技術措施,提高肥料利用率。2017年,桐城市畜禽糞污綜合利用率由2016年的75%提高到了80%。土壤有機質含量平均提高5%以上,酸化、鹽漬化等問題得到初步改善。
結語
推廣使用有機肥不僅能改善土壤質量、提高土壤肥力,還可以降低肥料投入成本,減輕農民負擔;同時,推廣有機肥是促進農業(yè)增產、農民增收的重要措施,是提高農產品品質、增強市場競爭力的重要環(huán)節(jié),提高農業(yè)綜合生產能力、促進農業(yè)可持續(xù)發(fā)展的治本措施,同時也是降低生產成本、促進農民節(jié)本增收的重要途徑。
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