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1
Estudio del efecto desarrollado por descomposición de la materia orgánica sobre la lixiviación nutrimental del suelo /
Thesis Book
2
CURSO TALLER SOBRE: AGRICULTURA ORGANICA
by SANTILLAN, RAUL
Published 1997
Book
3
Determinación del nivel óptico de fertilización química nitrogenada para la cosecha de maíz (zea mays L.), en suelos con contenidos diferenciados de materia orgánica /
Published 1987
Thesis Book
4
Estudio cronológico de los efectos de la materia orgánica cruda sobre la absorción y acumulación de N, P, K, Mg y Ca, en la cosecha de frijol cultivada y de humus al suelo utilizado /
by Cornejo Mejía, Gladys Noemy
Published 1983
Thesis Book
5
Suelos y fertilizantes /
by Bear, Firman E.
Published 1963
Book
6
Suelos
by Cairo, Pedro.
Published 1980
Book
7
Modelos edafológicos de sistemas agroforestales
by Faábender, H.W.
Published 1993
Book
8
Suelos agrícolas: su conservación y fertilización
by Worthen, E.L.
Published 1949
Book
9
Siembra y abonamiento del maiz amarillo duro
by Noriega, Victor
Published 1992
Book
10
Cultivo moderno del tomate
by Rodríguez Rodríguez, R.
Published 1997
Book
11
Evaluación de la influencia de cuatro niveles de fertilización completa (12-30-10) en la producción de semillas de Canavalia ensiformis L.
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Thesis Book
12
Measurement, properties and role of the soil microbial biomaá in organic matter dynamics and the maintenance of soil fertility
Book
13
Effect of supply of organic inputs on soil fertility on western semi-arid African savannahs
Book
14
Management techniques of organic materials in sustainable agriculture
Book
15
Nutrient cycling and nutrient supply in agroforestry systems
Book
16
Evaluation of the potential contribution of organic sources of nutrients to crop growth
Book
17
Technological options for controlling soil organic matter loáes in tropical rainfed cropping systems
Book
18
Transfer of plant nutrients and management of organic sources in China
Book
19
Efficiency of the use of nitrogen from pruning and soil organic matter dymanics in Leucaena leucocephala alley cropping in Southwestern Nigeria
Book
20
Methodologies for comparison of local and external plant nutrition sources
Book
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