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Journal Article 2017

Autor: Howeler, Reinhardt H.

This chapter discusses various sources of nutrients to be applied to prevent soil nutrient depletion, as well as the optimum rates, times and methods of their application. It also describes how computer models can predict site-specific nutrient requirements and balanced fertilizer rates to maximi...

Enlace original: https://cgspace.cgiar.org/handle/10568/90957

Investigación en Agricultura
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Howeler, Reinhardt H. ,  [Nutrient sources and their application in cassava cultivation] ,  Nutrient sources and their application in cassava cultivation
Journal Article 1982

Autor: Howeler, Reinhardt H. Calle, F Salazar, E

Specific recommendations for cassava cultivation and soil conservation in the plateau area of the Colombian Llanos Orientales are given. These include choice of area (level), soil preparation, var. (M Ven 77, M Per 245, and HMC 2, and the hybrids CM 507-37, CM 523-7, and CM 430-37), selection of ...

Enlace original: https://cgspace.cgiar.org/handle/10568/65779

Investigación en Agricultura
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Howeler, Reinhardt H. ,  Calle, F ,  Salazar, E ,  [El cultivo de yuca para la altillanura plana de los Llanos Orientales de Colombia] ,  El cultivo de yuca para la altillanura plana de los Llanos Orientales de Colombia
Journal Article 1983

Autor: Howeler, Reinhardt H. Sieverding, E

Field inoculation trials with cassava (Manihot esculenta Crantz) were conducted in Quilichao (typic Dystropept soil) and Carimagua (Haplustox soil). In Quilichao, with a large and effective native VA-mycorrhizal (VAM) population, inoculation withGlomus manihotis did not increase cassava yields si...

Enlace original: https://cgspace.cgiar.org/handle/10568/43969

Investigación en Agricultura
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Howeler, Reinhardt H. ,  Sieverding, E ,  [Potentials and limitations of mycorrhizal inoculation illustrated by experiments with field-grown cassava] ,  Potentials and limitations of mycorrhizal inoculation illustrated by experiments with field-grown cassava
Journal Article 1982

Autor: Howeler, Reinhardt H. Cadavid, L.F. Burckhardt, E

Cassava (Manihot esculenta Crantz) was grown in the greenhouse and in the field at different levels of phosphorus applied, with or without inoculation with VA mycorrhiza in sterilized or unsterilized soil. When grown in a sterilized soil to which eight levels of P had been applied the non-inocula...

Enlace original: https://cgspace.cgiar.org/handle/10568/44050

Investigación en Agricultura
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Howeler, Reinhardt H. ,  Cadavid, L.F. ,  Burckhardt, E ,  [Response of cassava to VA mycorrhizal inoculation and phosphorus application in greenhouse and field experiments] ,  Response of cassava to VA mycorrhizal inoculation and phosphorus application in greenhouse and field experiments
Journal Article 1986

Autor: Sieverding, Ewald Howeler, Reinhardt H.
Enlace original: https://cgspace.cgiar.org/handle/10568/88568

Investigación en Agricultura
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Sieverding, Ewald ,  Howeler, Reinhardt H. ,  [Evaluation of efficiency of isolates of VA mycorrhizal fungi in greenhouse and field trials [abstract]] ,  Evaluation of efficiency of isolates of VA mycorrhizal fungi in greenhouse and field trials [abstract]
Journal Article 1986

Autor: Howeler, Reinhardt H. Sieverding, Ewald
Enlace original: https://cgspace.cgiar.org/handle/10568/88571

Investigación en Agricultura
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Howeler, Reinhardt H. ,  Sieverding, Ewald ,  [Importance of VA mycorrhiza fungi for mineral nutrition of cassava and other tropical crops [abstract]] ,  Importance of VA mycorrhiza fungi for mineral nutrition of cassava and other tropical crops [abstract]
Journal Article 2008

Autor: Marjuki, HE Sulistyo, DW Rini, I Artharini, I Soebarinoto Howeler, Reinhardt H.

Introduction of cassava leaf silage making to smallholder farmers and its feeding to ruminants in cassava crop growing areas were investigated through laboratory and on-farm feeding trials, extension services and training. This with the aim to evaluate the response of the ruminants on cassava lea...

Enlace original: https://cgspace.cgiar.org/handle/10568/44184

Investigación en Agricultura
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Marjuki, HE ,  Sulistyo, DW ,  Rini, I ,  Artharini, I ,  Soebarinoto ,  Howeler, Reinhardt H. ,  [The use of cassava leaf silage as a feed supplemental in diets for ruminants and its introduction to smallholder farmers] ,  The use of cassava leaf silage as a feed supplemental in diets for ruminants and its introduction to smallholder farmers
Journal Article 1985

Autor: Sieverding, E Howeler, Reinhardt H.

A three different sites with acid soils in Colombia field trials with cassava were monitored for frequency of VA mycorrhiza. Increasing levels of phosphorus (P) from 0 to 200 kg P/ha had been applied. The fields differed in the composition of species of VA mycorrhizal fungi. At all sites infectio...

Enlace original: https://cgspace.cgiar.org/handle/10568/43574

Investigación en Agricultura
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Sieverding, E ,  Howeler, Reinhardt H. ,  [Influence of species of VA mycorrhizal fungi on cassava yield Response to phosphorus fertilization] ,  Influence of species of VA mycorrhizal fungi on cassava yield Response to phosphorus fertilization
Journal Article 1981

Autor: Howeler, Reinhardt H. Edwards, D. Asher, CJ

A technique to study mycorrhizal effects on growth and P-uptake of cassava (Manihot escultenta, Crantz) grown in flowing solution culture is described. Phosphorus concentrations were carefully maintained constant at 0.1, 1, 10 and 100 ?M by daily analyses and adjustment of the nutrient solutions....

Enlace original: https://cgspace.cgiar.org/handle/10568/43191

Investigación en Agricultura
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Howeler, Reinhardt H. ,  Edwards, D. ,  Asher, CJ ,  [Application of the flowing solution culture techniques to studies involving mycorrhizas] ,  Application of the flowing solution culture techniques to studies involving mycorrhizas
Journal Article 1982

Autor: Howeler, Reinhardt H. Asher, CJ Edwards, D.G.

Eight cassava (Manihot esculenta) cultivars were grown with or without mycorrhizal inoculation in flowing solution cultures containing approximately 0.1, 1, 10 or 100 ?M phosphate. Rice (Oryza sativa), maize (Zea mays), cowpea (Vigna unguiculata) and French bean (Phaseolus vulgaris) were included...

Enlace original: https://cgspace.cgiar.org/handle/10568/43417

Investigación en Agricultura
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Howeler, Reinhardt H. ,  Asher, CJ ,  Edwards, D.G. ,  [Establishment of an effective endomycorrhizal association on cassava in flowing solution culture and its effects on phosphorus nutrition] ,  Establishment of an effective endomycorrhizal association on cassava in flowing solution culture and its effects on phosphorus nutrition

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