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中文摘要：
针对项目的研究目标，群体从作物根系高效吸收养分的形态和生理基础、养分高效利用的根际过程与调控机制及农田养分高效利用的调控途径三个方面开展了深入研究工作，主要进展如下(1) 明确了根系形态和生理以及冠根关系在作物氮高效吸收利用中的作用，阐明了氮高效理想根构型的主要特征，提出通过根系改良可以进一步提高现代玉米品种的氮营养效率；(2) 明确了保证适宜的根际养分浓度是提高作物养分利用效率的关键，证明根际土壤养分供应强度和方式能够调控作物的根际过程，从而影响养分活化与吸收效率；证明根际生物互作能够进一步强化根际过程，影响养分的生物有效性；(3) 在对根系形态和生理、根际过程及其调控机制深入研究的基础上，建立了根际/根层养分供应强度实时监测和环境养分来源与去向的定量研究方法，并从农学和环境两方面，揭示了在集约化生产体系中根际/根层养分调控是协调作物高产、养分高效和减少养分损失的关键所在, 建立了作物高产与环境保护相协调的土壤-作物系统综合管理技术体系。
结论摘要：
英文主题词roots;rhizosphere process;nutrient management; rhizosphere regulation
成果综合统计
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期刊论文
Nitrogen deposition as an important nutrient from the environment and its impact on ecosystems in Ch
Comparative Expression and Phylogenetic Analysis of Maize Cytokinin Dehydrogenase/Oxidase (CKX) Gene
Evaluating hyperspectral vegetation indices for estimating nitrogen concentration of winter wheat at
Two strategies for achieving higher yield under phosphorus deficiency in winter wheat grown in field
In-season nitrogen management strategy for winter wheat: Maximizing yields, minimizing environmental
Nitrogen deposition and its contribution to nutrient inputs to intensively managed agricultural ecos
Regulation of AhFRO1, an Fe(III)-chelate reductase of peanut, during iron deficiency stress and inte
Triangular Transplanting Pattern and Split Nitrogen Fertilizer Application Increase Rice Yield and N
Response of aerobic rice growth and grain yield to N fertilizer at two contrasting sites near Beijin
The Phosphorus Footprint of China';s Food Chain: Implications for Food Security, Natural Resource Ma
Crop nitrogen use and soil mineral nitrogen accumulation under different crop combinations and patte
Optimization of yield and water-use of different cropping systems for sustainable groundwater use in
Total nitrogen deposition at key growing stages of maize and wheat as affected by pot surface area a
Assessment of effects of the rising atmospheric nitrogen deposition on nitrogen uptake and long-term
Positive feedback between acidification and organic phosphate mineralization in the rhizosphere of m
Processes and factors controlling N(2)O production in an intensively managed low carbon calcareous s
Root morphological and proteomic responses to growth restriction in maize plants supplied with suffi
Covering Middle Leaves and Ears Reveals Differential Regulatory Roles of Vegetative and Reproductive
Rhizosphere isoflavones (daidzein and genistein) levels and their relation to the microbial communit
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