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- W2359169046 abstract "The last 20 years change of farmland soil quality in Jinshan area was analyzed.The results were as follows: the contents of organic matter and total nitrogen in soil declined in some sort,the soil was in process of acidification,and readily available nitrogen and phosphorus increased but readily available potassium reduced;the microelement content of soil was relatively abundant;the organic matter and total nitrogen and cation-exchange capacity of soil in the northern and central parts of Jinshan area were higher than those in the eastern part of Jinshan area,but the pH values were nearly the same;the readily available phosphorus in the northern part,readily available potassium in the central part and readily available phosphorus and potassium in the eastern part were rich;generally,soil environment quality was good,but the Hg content of soil in a few parts of the area went beyond the set standard.Based on the above results,five technical approaches of improving the soil quality were put forward." @default.
- W2359169046 created "2016-06-24" @default.
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- W2359169046 date "2008-01-01" @default.
- W2359169046 modified "2023-09-23" @default.
- W2359169046 title "Culture Change and improvement of farmland soil quality in Jinshan area" @default.
- W2359169046 hasPublicationYear "2008" @default.
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