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nutrient cycling;agro-ecosystem;crop;maize system

Scientists Reveal Effect of Maize Residue Retention on Nitrous Oxide Emission[Dec 17, 2018]

In conservation tillage systems, at least 30% of the soil surface remains covered by crop residue which generally contains significant amounts of nitrogen. Crop residues are important resources involved in nutrient cycling in agro-ecosystems. Dr. LI Jie, a researcher&from Institute of Applied Ecology, conducted a field experiment to investigate the effects of crop residual return on NH3 volatilization and N2O emissions over a growing season on a maize land.

selenium;grain;rice;selenomethinone

Researchers Found Effective Means for Selenium Transport to Rice Grains[Dec 14, 2018]

A joint research found an effective mean for increasing Se contents in grains by increasing Se transport from roots to shoots. The Researchers from Dr. CHU Chengcai group in Institute of Genetics and Developmental Biology (IGDB), together with Dr. ZHANG Lianhe group from Henan University of Science and Technology (HUST) tried to break the bottleneck for increasing Se contents in grains by increasing Se transport from roots to shoots.

proteasome;salt stress;plant

IGDB Scientists Uncover the New Mechanism of Plant 26S Proteasome Assembly during Salt Stress Response[Nov 17, 2018]

Recently, the team led by Prof. XIE Qi at the Institute of Genetics and Developmental Biology revealed that as in mammals, plants are able to selectively specify the relative proportions of particular proteasome subunits to form salt stress-specific proteasome forms in Arabidopsis. The ubiquitin 26S proteasome consists of two sub-complexes: the catalytic 20S proteasome and the 19S regulatory particle.

lead-free;double perovskite;charge carrier dynamics;band gap;transient absorption

Scientists Develop Lead-Free Direct Band Gap Double Perovskite Nanocrystals[Dec 17, 2018]

A research team led by HAN Keli from the Dalian Institute of Chemical Physics synthesized lead-free direct band gap double perovskite nanocrystals (NCs) with bright dual-color emission. The design of lead-free direct bandgap perovskite NCs with superior optical properties opens the door for high performance lead-free perovskite optoelectronic devices.

laser;ultra-intense;ultrafast;pulse amplification

Multipass Stretcher Promotes Laser Amplification for Ultra-intense and Ultrafast Laser[Dec 10, 2018]

A research team led by Professor LENG Yuxin from State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, has introduced a brand new method to achieve multipass stretching for ultrafast laser pulses. The multipass stretching system combines the concept of regenerative amplifier and a Martinez-type stretcher. One of the reflecting mirrors in the traditional regenerative amplifier is replaced by the Martinez-type stretcher.

laser;pulse; propagation distance;long-pulse laser;

New Model Discovers High-energy Laser Pulse Can Travel Tens of Kilometers through the Air[Dec 06, 2018]

Recently, a research team led by State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences (CAS), collaborating with Helmholtz Institute Jena, established a simple physical model to deal with the long-pulse lasers propagation in air.

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