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地點： 蘇州市
開展時間： 2025-04-16
舉辦單位： 上海有色網(wǎng)
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地點： 上海市
開展時間： 2025-04-21
舉辦單位： 上海荷瑞展覽有限公司
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地點： 成都市
開展時間： 2025-04-23
舉辦單位： 漢諾威米蘭展覽（上海）有限公司、東浩蘭生會展集團上海工業(yè)商務展覽有限公司、四川天府國際會展集團有限公
【實用技術(shù)】內(nèi)蒙古東北黑土地保護利用技術(shù)模式（二）
2024-05-31
10:04:09
來源：內(nèi)蒙古自治區(qū)農(nóng)牧廳 閱讀量：18306
評論
【農(nóng)機網(wǎng) 科技創(chuàng)新】 針對內(nèi)蒙古大興安嶺北麓黑土地，在常規(guī)耕作條件下，春季風大、地表裸露、耕層土壤質(zhì)地疏松導致風蝕沙化嚴重、黑土層變薄、耕作層變淺和土壤養(yǎng)分流失、春旱、低溫等問題，集成推介麥薯輪作免耕秸稈還田水肥一體化技術(shù)模式。
主要原理：秸稈還田可增加土壤有機質(zhì)，蓄水保墑，調(diào)節(jié)地溫，使土壤結(jié)構(gòu)明顯改變，配套麥薯輪作水肥一體化播種技術(shù)，可實現(xiàn)有效遏制土壤風蝕沙化，增強土壤持水能力，保土保水，增加土壤有機質(zhì)含量，培肥土壤，提升地力，有效遏制因秸稈焚燒、無序堆放等造成的環(huán)境污染。該模式可減少機械作業(yè)工序，提升水分及肥料利用率，提高麥類、油菜產(chǎn)量8%-12%。該技術(shù)模式已在牙克石市、海拉爾區(qū)推廣示范。
技術(shù)要點：采用油菜-小麥(大麥)-馬鈴薯(水肥一體化)-小麥(大麥)輪作模式，即：第一年免耕播種油菜，油菜適時早播，早熟小麥(大麥)適當晚播，秋季收獲留茬，小麥(大麥)留茬高度15～20 cm，油菜留茬高度20～25 cm。秸稈粉碎后均勻鋪撒于地表，覆蓋度達到100%，拋撒薄厚一致；第二年耙茬免耕播種小麥(大麥)，秋季收獲留茬、深翻重耙；第三年種植馬鈴薯實施水肥一體化節(jié)水灌溉，秋季重耙；第四年免耕播種小麥(大麥)，秋季收獲留茬、秸稈拋撒覆蓋地表。
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地點： 成都市 開展時間： 2025-04-23 舉辦單位： 漢諾威米蘭展覽（上海）有限公司、東浩蘭生會展集團上海工業(yè)商務展覽有限公司、四川天府國際會展集團有限公
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