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27 Mycorrhizae and their relation to forest soils . Soil Science 64 : 459-469 . ... SANCHEZ , P.A. and VALVERDE , C. Effects of land clearing methods on soil properties of an ultisol and crop performance in the Amazon jungle of Perú . | |
 | Pedro A. Sánchez, Edilberto Camacho - 1981 - 650 páginas
C. E. Effect of land clearing methods on crop performance and changes in soil properties in an Ultisol of the Amazon Jungle of Peru . M.S. Thesis , North Carolina State University , Raleigh , 1975. 152 p . | |
 | 1979 - 328 páginas
SEUBERT , C.E. , SANCHEZ , P.A. and VALVERDE , C. Effect of land clearing methods on soil properties of an Ultisol and crop performance in the Amazon jungle of Peru . Separata Journal Series Paper no . 5002 : 307-321 . | |
 | G.J. Weerts - 1991 - 150 páginas
Effects of land clearing methods on soil properties of an Ultisol and crop performance in the Amazon jungle of Peru , Trop . Agr . ( Trinidad ) , 54 ( 4 ) : 307–321 . Spaans , E.J.A. , Bouma , J. , Lansu , A. and Wielemaker ... | |
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Effects of land clearing methods on soil properties and crop performance in an Ultisol of the Amazon Jungle of Peru . Trop . Agric . 54 : 307-321 . Smyth , T.J. and P.A. Sanchez . 1982. The dissolution and availability of phosphate ... | |
 | J. F. Wienk, H. A. de Wit - 228 páginas
Effects of land clearing methods on soil properties and crop performance in an Ultisol of the Amazon Jungle of Peru . Trop . Agric . 54 : 307-321 . Smyth , T.J. and P.A. Sanchez . 1982. The dissolution and availability of phosphate ... | |
 | Humberto Jiménez Saa - 1983 - 552 páginas
0718 Seubert , C. E .; Sánchez , P. A .; Valverde , C. Effects of land clearing methods on soil properties of an ultisol and crop performance in the Amazon jungle of Peru . Tropical Agriculture ( Trinidad y Tobago ) . ISSN 0041-3216 . | |
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( 11923 ) WATSON , G. A. A study of tree crop farming systems in the lowland humid tropics . ... P. A. y VALVERDE , C. Effects of land clearing methods on soil properties of an ultisol and crop performance in the Amazon jungle of Peru . | |
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( 11923 ) WATSON , G. A. A study of tree crop farming systems in the lowland humid tropics . ... P. A. y VALVERDE , C. Effects of land clearing methods on soil properties of an ultisol and crop performance in the Amazon jungle of Peru . | |
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