Results 11 to 20 of about 2,965,460 (295)
Petroleum agriculture, characterized by mechanization and chemistry, is developing rapidly in China. However, petroleum agriculture has not only brought food safety problems, but also caused great obstacles to the sustainable development of society.
Xueqian Fu +6 more
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The objective of the present study was to evaluate the geochemical processes controlling the groundwater chemistry and also to assess the groundwater quality suitability criteria for irrigation purposes.
Sakram Gugulothu +3 more
semanticscholar +1 more source
The Role of Analytical Chemistry in Agricultural Research: Main goals, Challenges, Demands
Analytical chemistry has always played an important role in agricultural research, but its objectives and contributions have changed over time. In this paper a description of the historical development is given.
Hans Jörg Bachmann +4 more
doaj +1 more source
Intensive agricultural activities in the North China Plain (NCP) lead to substantial emissions of nitrogen oxides (NOx) from soil, while the role of this source on local severe ozone pollution is unknown.
Xiao Lu +14 more
semanticscholar +1 more source
Summary: Natural and artificial flower pollination are critical processes in the life cycle of flowering plants. Declines in the number of global pollinator insects, the heavy labor of conducting artificial pollination manually, and the rising cost of ...
Xi Yang, Eijiro Miyako
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Heavy metals are well-known environmental pollutants due to their toxicity, persistence in the environment, and bioaccumulative nature. Their natural sources include weathering of metal-bearing rocks and volcanic eruptions, while anthropogenic sources ...
H. Ali, Ezzat Khan, I. Ilahi
semanticscholar +1 more source
The present work discusses the appearance of the concepts of valence and molecular structure, and describes the appropriation and evolution of the concept of molecule in the period following the publication of Avogadro's Hypothesis.
Tânia de Oliveira Camel +2 more
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