The increase of nitrogen (N) deposition and the diversity of its components lead to significant changes in the structure and function of temperate meadow steppe, which could affect plant nutrient ...

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1 College of Forestry, Northwest A&F University, Yangling, Shaanxi, China 2 State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi, ...

THE direct utilization by higher plants of nitrogen fixed by blue-green algae could play a substantial part in the Earth's nitrogen cycle. That certain species of blue-green algae can fix nitrogen ...

80-120tph, new wear parts. Will closed circ.... FTS 15-60 is a compact and heavy steel structured trucked plant with three-decks screen. Also integrated with tracked moving syste.... The bunker of the ...

A lot of people will want to know what went wrong, and where, in a plant that is a hodgepodge of lithium battery technology. "That site is actually an example of different ways to design it ...

The Q60D is one of Samsung’s more popular TV models. It’s available in a number of different screen sizes, with this 70-inch model being one of the better deals of the bunch. This is a QLED TV ...

The highly mobile Horizon 5163 scalping and screening plant can be set up and ready to run in 30 minutes or less. Designed to handle materials up to 10 in. Produces up to 600 tph of high ...

Our top pick is the Apple iPad Pro (7th generation) thanks to its easy user interface and premium screen experience. We also included other drawing and graphics tablets that ZDNET staff has gone ...