dryland相关论文
Shift in soil bacterial communities mediated by conservation tillage in the dryland of northern Chin
Agricultural practices can change the physical and chemical properties of the soil,thereby affecting the soil microbial ......
Effects of fertilization and other agronomy measures on crop yield and quality on dryland in northwe
On the drylands in northwestern China, dificiency of water is one of the main factiors constraining crop yield increase ......
A combination of climate,tree diversity and local human disturbance determine the stability of dry A
Background:Anthropogenic disturbances are increasingly affecting the vitality of tropical dry forests.The future conditi......
Distribution of soil aggregates and organic carbon in deep soil under long-term conservation tillage
To ascertain the effects of long-term conservation tillage and residue retention on soil organic carbon (SOC) content an......
Background:Anthropogenic disturbances are increasingly affecting the vitality of tropical dry forests. The future condit......
干旱区在全球范围内广泛分布,并养育超过三分之一的世界人口.人口增加、城市化、土地退化和气候变化对人地耦合系统产生了重大影响......
Projected drought conditions in Northwest China with CMIP6 models under combined SSPs and RCPs for 2
Northwest China is one of the most arid regions in the world and has experienced intriguing climate warming and humidifi......
In order to enhance and restore the ecosystems of natural capital in African arid regions, the Global Dryland Ecosystem ......
Soil Organic Matter Composition in Coastal and Continental Date Palm Systems: Insights from Tunisian
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Early performance of Pinus radiata provenances in the earthquake-ravaged dry river valley area of Si
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Seven years’ field experiments on application of c stover and/or cattle manure combined with chemical fertilizers were ......
[目的]本文旨在研究秸秆及生物质炭形式还田下减施氮肥对旱地作物生产及温室效应影响,以期为农业低碳生产及秸秆资源化利用提供依......
Plant community and ecological analysis of woodland vegetation in Metema Area, Amhara National Regio
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Floristic diversity, regeneration status, and vegetation structure of woodlands in Metema Area, Amha
We studied woodland vegetation in broad-leaved deciduous woodlands of Metema in northwestern Amhara regional state, Ethi......
The current status of nitrogen fertiliser use efficiency and future research directions for the Aust
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Scenario Analysis of Tillage, Residue and Fertilization Management Effects on Soil Organic Carbon Dy
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The reclamation of tidal flats has been one of the important approaches to replenish the arable lands in the coastal are......
There have been considerable concerns with the reduced beneficial yield response to fertilizer and the less efficient us......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Early performance of Pinus radiata provenances in the earthquake-ravaged dry river valley area of Si
A provenance experiment involving five native provenances and an Australian landrace of Pinus radiata (D. Don) was estab......
Floristic diversity, regeneration status, and vegetation structure of woodlands in Metema Area, Amha
We studied woodland vegetation in broad-leaved deciduous woodlands of Metema in northwestern Amhara regional state,Ethio......
Scenario Analysis of Tillage, Residue and Fertilization Management Effects on Soil Organic Carbon Dy
Based on data from 10-year field experiments on residue/fertilizer management in the dryland farming region of northern ......
为探讨西北半干旱雨养条件下秸秆带状覆盖麦田水分利用特征和增产效果,通过田间试验,以露地条播为对照(CK),研究了3种不同覆盖处理......
红壤一般偏酸且铁铝富集,磷与铁、铝形成Fe-P、Al-P,降低了红壤磷的有效性。施磷提高红壤供磷能力,但是未被作物利用的磷积累在土......
为改善果园环境,提高果品品质和产量,本文详细介绍了国内外果园生草栽培现状,总结了在干旱地区实行果园生草栽培技术对果园土壤、......
Erratic rainfall and temperature regimes, strongly affect agricultural productivity. To address the reduction in product......
1998～1999年在山西临汾、洪洞开展了旱地小麦集水补灌技术研究.结果表明:旱地小麦适时有限补灌、补肥、选用抗旱节水生态型品种是提......
晋西旱塬区多年玉米定位试验表明,连续五个干旱年型下免耕秸秆覆盖对土壤水分、玉米蒸腾蒸发及产量影响的效应和正常降水年型下的......
在６年的保护性耕作研究中，先后试验研究了碎秆免耕，碎秆深松，倒杆免耕，立秆免耕，碎秆免耕＋耙，碎秆深松＋耙等保护性耕作方案，研制出组合式限深......
ＡｎａｌｙｓｉｓａｎｄｉｍｐｒｏｖｉｎｇｗａｙｓｆｏｒｗａｔｅｒｃｏｎｄｉｔｉｏｎｉｎｗｉｎｔｅｒｗｈｅａｔｆｉｅｌｄｏｆｄｒｙｌａｎｄｉｎｓｕｂｈｕｍｉｄａｒｅａｓｏｆｔｈｅＬｏｅｓＰｌａｔｅａｕＺｈｏｎｇＺｈａｏｚｈａｎ，ＺｈａｏＪｕｂａｏＩ.........
大田栽培条件下，在影响甘蔗生长强，人们对自然因素的影响还不可能有效地加以控制，但可以通过调节栽培技术措施，避开不利自然因素的影响......
在盆栽控制条件下对水肥效应，交互作用与耦合模型进行了研究，提出２种水肥效应耦合模型建模方法，并证明２种模型预报功能相一致，为在田间条......
采用无底铁框作微区，选择冬小麦生育期降水量（Ｐ）和施氦量（Ｎ）进行水肥效应模拟研究，得出冬小麦产量（Ｙ）与降水量和施氮量的关系为Ｙ＝２５０５．６７１３＋５．３４２２Ｎ－０．０２５１Ｎ￣２＋２４．３４８２Ｐ－０．０３２５Ｐ￣２＋０．００７４ＮＰ。水肥耦合方程......
多年试验研究结果表明，干旱陕西旱地小麦高产的第一限制因子，。高留茬少耕全程覆盖，０－２０ｃｍ土层含水率平均提高２．５８个百分点，０－２００ｃｍ土层含水率平均提高１．９７个......
应用潜力矩陈分析法对定西县作物多元化生产的潜力和对策进行了分析。结果表明：现有的自然条件、基础设施、人口资源以及研究基地是......
应用灰色关联分析方法，对青海省旱地小麦品种的主要数量性状与产量之间的关联度进行了分析与排序。结果表明，关联度大小为公顷穗数〉......
在年降水量415mm的半干旱地区黄绵土上，以春小麦为供试作物进行大田试验，研究地膜覆盖进程(包括不覆膜、播种后覆膜30d、覆膜60d和全......
以渭北旱塬的苹果园为研究对象,对5～34龄苹果园土壤剖面水分含量分布与硝酸盐累积状况进行研究.结果发现,旱地苹果园的高投入与高产......
通过田间试验研究了杨凌红油土农田秸秆覆盖条件下冬小麦的水氮效应.结果表明,秸秆覆盖使土壤水分状况明显改善,从而使补充灌水的......
研究探讨了玉米秸秆还田方式（直接或过腹还田）与化肥配施对土壤养分谈化的影响。研究表明，秸秆过腹还田对提高耕层土壤速效Ｎ贡献较大；耕......
【目的】研究玉米秋冬闲期地膜覆盖保墒及优化氮肥秋基春追比例，为抗旱保苗及合理施肥提供理论依据。【方法】采用秋季与春季地膜覆......
本文根据三年试验结果所建立的数学模型,结合4—9月份的不同降雨量条件,对旱地棉花增加种植密度以后各种促控措施(施(?)量、施磷量......
Early performance of Pinus radiata provenances in the earthquake- ravaged dry river valley area of S
包含五本国的起源和 Pinus radiata (D.唐)的澳大利亚的 landrace 的一个起源实验在四川的干燥的河山谷区域在三个地点上被建立，在......
Scenario Analysis of Tillage, Residue and Fertilization Management Effects on Soil Organic Carbon Dy
Based on data from 10-year field experiments on residue/fertilizer management in the dryland farming region of northern ......
降雨偏少且季节分布不均,施肥偏多且方式不合理,缺少有效的保水栽培措施是西北旱地小麦生产面临的主要问题。2010年10月至2012年6......
作者根据旱地小麦育种的实践经验，提出的几点体会是：旱地小麦育种应坚持以抗旱、稳产、适应性广泛为基础，以丰产性为品种综合评价标准......
从1981—1986年,主要在晋南黄土高原干旱条件下,分阶段地对冬小麦根系生长的数量特征、根群的构形分布、根系与地上部分的生长的关......
