The influence of free-living nitrogen-fixing bacteria on the mechanical characteristics of different plant residues under no-till and strip-till conditions
作者： Kristina Vaitauskienė , Egidijus Šarauskis , Vilma Naujokienė , Vytautas Liakas
DOI: 10.1016/J.STILL.2015.06.007
关键词:
摘要: Abstract In applying no-tillage and strip-tillage technologies, one of the main problems is that post-harvest plant residues remain on soil surface hamper cultivation, tillage drilling operations. The experimental researches this work were established biological preparation it operation period effect mechanical breaking cutting different knives characteristics winter wheat ( Triticum aestivum L.) cv. ‘Ada’ rapeseed Brassica napus L. ssp. Oleifera biennis Metzq.) ‘Sunday’ spring B . annua ‘Fenja’ in interaction with soil. research was carried out 2012–2014 Lithuania. Plant left untilled upon by natural climatic conditions. One part treated other untreated. Breaking weekly for three weeks. found consist free-living nitrogen-fixing bacteria weakened forces required all researched residues. Prolonging period, need substantially less force After first week, to break without node decreased 38%, after two weeks 50%, 73%, rapeseed—78%, 85%, 90%, 57%, 77% 82%, respectively. vertical knife about 1.7–2.5 greater compared when angled used.
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