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搜索结果: 1-15 共查到Till相关记录51条 . 查询时间(0.046 秒)
A study in Global Change Biology clearly demonstrates significant benefit to the environment and to crop yield for farmers practicing no-till versus tilled agriculture consistently...
Farmers typically use three applications of glyphosate to control weeds in no-till fallow. Some are now experimenting with an unconventional modification to this widely used approach. This modi...
Reduced-tillage systems including no-tillage and stripillage have well-known benefits for conserving and improving soils, protecting vulnerable crops from extreme weather events, and reducing ...
Cover crop–based organic rotational no-till soybean production has attracted attention from farmers, researchers, and other agricultural professionals because of the ability of this new system to enh...
In the rice–wheat (RW) systems of the Indo-Gangetic Plains of South Asia, conservation tillage practices, including zerotillage (ZT), are being promoted to address emerging problems such as (1) shorta...
Consumer reviews are now a part of everyday decision-making. Yet, the credibility of reviews is fundamentally undermined when business-owners commit review fraud, either by leaving positive reviews fo...
Consumer reviews are now a part of everyday decision-making. Yet, the credibility of reviews is fundamentally undermined when business-owners commit review fraud, either by leaving positive reviews fo...
U/Pb and (U-Th)/He (ZHe) dating of detrital zircons from glacial till samples in the Ross Embayment, Antarctica records cooling after the Ross/Pan-African orogeny (450-625 Ma) followed by a mid-Jurass...
Long term no-till (NT) farming can improve the CH4 oxidation capacity of agricultural lands through creation of a favorable soil environment for methanotrophs and diffusive gas transport. However, lim...
Petrography of the sand fraction, particle size analysis, and detrital zircon U/Pb isotope data, and pebble count data were collected from Byrd Glacier moraines and central/western Ross Sea till in or...
Investigations were conducted at a salt/premix storage facility lying on top of a glacial drumlin near the coastline in eastern Massachusetts, to characterize salt contaminated groundwater. Groundwate...
Investigations were conducted at a salt/premix storage facility lying on top of a glacial drumlin near the coastline in eastern Massachusetts, to characterize salt contaminated groundwater. Groundwate...
Professor Jeremy Till,Professor of Architecture, Head of Central Saint Martins and Pro Vice-Chancellor of UAL,University of the Arts London,j.till@csm.arts.ac.uk,Research interests:Architectural educa...
在内蒙古、新疆等大型农场,随着大马力拖拉机的增加,中小型小麦免耕播种机已经不能满足动力发展的需要,限制了保护性耕作的推广实施,急需研究与大马力拖拉机配套的大型免耕播种机。本文设计了2BMG-24型小麦免耕播种机,采用控制式密齿型排种器、波纹圆盘和双圆盘组合式开沟施肥播种单体,实现了精少量排种、破茬开沟和种肥分施的小麦免耕播种。田间试验表明:播种深度合格率为91%;排种均匀性变异系数为28%;种子破...
针对我国华北一年两熟地区玉米秸秆覆盖量多,小麦免耕播种易堵塞的问题,提出了驱动拨指链抛茬和刀刃型开沟器切茬相结合的新型防堵原理,设计了免耕播种机驱动链式防堵装置。通过分析防堵装置的运动过程,确定了驱动链、拨指和刀刃型开沟器等关键部件的参数。田间试验表明,驱动链式防堵装置能够有效解决秸秆堵塞问题,保证小麦免耕播种机的通过性。由于及时清除刀刃型开沟器前方的玉米秸秆残茬,开沟阻力降低了12.3%。相比条...

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