Technology and Management of Rice Farming under Supply Control
نویسندگان
چکیده
منابع مشابه
Evolution of Heavy Metals in Marsh Areas under Rice Farming
25 Total and EDTA-extractable concentrations of Cd, Co, Cu, Ni, Pb, and Zn in rice-farming 26 soils and their distribution in the profile depth were evaluated. The temporal variability of 27 metal concentrations in the superficial horizon was studied during 1991-1995. Results show 28 that the highest metal concentrations correspond to Zn, Pb, and Cu, for total and EDTA29 extractable fraction. I...
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ژورنال
عنوان ژورنال: Journal of Rural Problems
سال: 1986
ISSN: 0388-8525,2185-9973
DOI: 10.7310/arfe1965.22.80