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SOIL GEOCHEMICAL CHARACTERISTICS OF THE YIDAOQIE RADISH PRODUCING AREA IN XIAOSHAN, ZHEJIANG PROVINCE |
SONG Ming-yi1,2, ZHOU Tao-fa1, LI Heng-xi2, CHEN Ye-ai3, LI Yi-gen4 |
1.School of Resources Science and Environment Engineering, Hefei University of Technology,Hefei 230009, China;2. Zhejiang Institute of Geological Survey,Hangzhou 311203, China; 3. Agricultural Bureau of Xiaoshan, Hangzhou 311203, China; 4. Shenfeng Institute of Novel Geological Techniques Co. Ltd., Shanghai 201107, China |
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Abstract "Xiaoshan dried radish" is characterized by deliciousness, high yield, high anti-weather change capability and easy growing and processing. These fine qualities are related closely not only to the species but also to the soil geological and geochemical background of its producing area. Compared with soil average element values of Zhejiang plain, the producing area has higher MgO, B, P, CaO and Mn but lower N, K, Mo, Fe and Zn. Viewed from the effective state analytical results of soil nutrients and trace elements, the area contains abundant nitrogen of alkaline hydrolysis, Ge, Mn and Cu and an average amount of rapid available phosphorus, organic matter and Zn. As the soil maturity of the producing area is relatively low and the cropping index there is high, N and K in the soil tend to flow away, and B and Mo are deficient, which affects and restricts the yield and quality of the radish. It is suggested that trace element manure and organic manure should be added in time so as to maintain soil fertility in a scientific way.
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Published: 10 April 2009
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