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| Nutrient Cycling in Agroecosystems Published by: Dordrecht, Kluwer Academic Publishers (Netherlands) Subject: Agriculture - Crop Production And Soil Environmental Studies Language: English Published: 1980 ISSN: 1385-1314 Available at 6 Universities. | |||
| Biology and Fertility of Soils Published by: Berlin, International Society of Soil Science, Springer-Verlag (Germany) Subject: Agriculture - Crop Production And Soil Biology Language: English Published: 1985 ISSN: 0178-2762 Available at 7 Universities. | |||