丁貴明+蔣德賞+唐進之??
摘要:【目的】探索推廣應用“水稻—免耕秋甜玉米—白菜花—綠肥”稻田耕作模式,為實現穩糧增收、可持續發現展提供參考。【方法】以興安縣為例,分析興安縣推廣應用該模式的現狀、模式效益優勢和推廣應用存在的問題,針對性的提出新形勢下的發展對策,形成配套的標準化生產技術體系。【結果】“水稻—免耕秋甜玉米—白菜花—綠肥”模式成為興安縣特色、效益農業生產新模式,應用面積不斷擴大,可實現667m2“500公斤糧,萬元錢”,對促進了糧食生產可持續和農民增收效果顯著。【結論】“水稻—免耕秋甜玉米—白菜花—綠肥”稻田耕作模式,集水旱輪作、免耕栽培、種田養地于一體。具有綠色、高產、高效、錢糧雙增、循環農業等特點,是綠色高效稻田耕作模式,推廣應用前景廣。
關鍵詞:稻田;耕作模式;應用;效益;關鍵技術
中圖分類號:S632文獻標識碼:A文章編號:1003-4374(2017)03-0001-04
Abstract:【Objective】Explore the farming mode “ricenotill autumn sweet corncabbagegreen manure”,to provide the reference of steady improve yield,and achieve the sustainable development【Method】Through analysis the mode application in Xingan County,including current situation of application and promotion,the advantages and existing issue,put forward to the development countermeasures targeting on the new situation,to form the standardization of comprehensive production technology system【Results】The farming mode “ricenotill autumn sweet corncabbagegreen manure”becomes a new characteristic and efficiency of agricultural production model in Xingan CountyThe application area expands unceasinglyThe output can achieve “500 kg of grain,ten thousand yuan/ 667 m2”,with remarkable benefit for maintaining grain production and Increasing farmers' income【Conclusion】The model “ricenotill autumn sweet corncabbagegreen manure” with the comprehensive advancement of rice fieldupland field rotationmany,notill planting,farming and maintain the land;and good characteristics,such as green,high yield and high efficiency,circular agriculture,etcIt has a wide application & promotion prospect
Key words:paddy field; cultivation mode; application; benefit;key technology
興安是廣西水稻生產大縣之一、甜玉米第二生產大縣,有水田167萬hm2,近年全縣每年甜玉米生產面積保持在033萬~067萬hm2。同全國其它地區一樣,受種糧比較效益降低,及農村青壯年勞動力不斷轉移等因素影響,糧食生產面臨“荒、改、粗”困境。水田傳統種植模式一種是種一季水稻或雙季稻其后秋冬荒田,另一種是只種2~3季甜玉米。經常出現春、夏產量低或價格低問題,生產效益不穩,錢糧養地不兼顧,農民種田積極性下降。新形勢下,為貫徹國家“落實藏糧于地,藏糧于技戰略,提高糧食產能,確保谷物基本自給,口糧絕……