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Working Paper 1991

Autor: Kamara, C.S. Haque, I.

Reports concentrations of primary and secondary nutrients in the dry matter that were harvested at various times and the removal of the nutrients from an upland soil in the Ethiopian highland in part III. Part IV deals with the concentration and uptake of Na, Mn, Cu, Zn and Fe from the dry matter...

Enlace original: https://cgspace.cgiar.org/handle/10568/4360

Investigación en Agricultura
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Kamara, C.S. ,  Haque, I. ,  [Intercropping maize & forage type cowpeas in the Ethiopian highlands: III. Concentration, macronutrient yields and crop residue quality. IV. Concentration, micronutrient yields and crop residue quality] ,  Intercropping maize & forage type cowpeas in the Ethiopian highlands: III. Concentration, macronutrient yields and crop residue quality. IV. Concentration, micronutrient yields and crop residue quality
Working Paper 1993

Autor: Saka, A.R. Haque, I.

An alfalfa field experiment was conducted at the Debre Zeit Experiment station for a period of 2 years with the main objective of investigating the effects of cattle manure om dry matter yields, plant tissue nutrient concentration and plant nutrient uptake. Dry matter yields were significantly in...

Enlace original: https://cgspace.cgiar.org/handle/10568/4426

Investigación en Agricultura
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Saka, A.R. ,  Haque, I. ,  [Manure studies in the Ethiopian highlands. I. Effect on Medicago sativa L. grown on an alfisol] ,  Manure studies in the Ethiopian highlands. I. Effect on Medicago sativa L. grown on an alfisol
Working Paper 1993

Autor: Saka, A.R. Haque, I.

This document reports on the results of two experiments which investigted the effects of manure on alfalfa and desmodium grown on an Ultisol at Soddo in Sidamo region. The experiments were conducted to determine the effects of cattle manure on dry matter yields and on nutrient uptake by alfalfa a...

Enlace original: https://cgspace.cgiar.org/handle/10568/4427

Investigación en Agricultura
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Saka, A.R. ,  Haque, I. ,  [Manure studies in the Ethiopian highlands: II. Effect on Medicago sativa L. and Desmodium uncinatum grown on an ultisol] ,  Manure studies in the Ethiopian highlands: II. Effect on Medicago sativa L. and Desmodium uncinatum grown on an ultisol
Working Paper 1991

Autor: Kamara, C.S. Haque, I.

Part I deals with effect of cropping systems on growth; effect of cowpea variety on dry matter yield and on intercrop maize & cowpea; effect of intercropping on dry matter yield and on grain yield; intercrop vs sole dry matter yields; intercropping systems & total dry matter yields; effect of int...

Enlace original: https://cgspace.cgiar.org/handle/10568/4359

Investigación en Agricultura
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Kamara, C.S. ,  Haque, I. ,  [Intercropping maize & forage type cowpeas in the Ethiopian highlands: I. Growth & dry matter yields. II. Soil moisture, soil temperature, solar radiation regimes and water use efficiency] ,  Intercropping maize & forage type cowpeas in the Ethiopian highlands: I. Growth & dry matter yields. II. Soil moisture, soil temperature, solar radiation regimes and water use efficiency
Working Paper 1991

Autor: Haque, I. Amare, T.
Enlace original: https://cgspace.cgiar.org/handle/10568/4301

Investigación en Agricultura
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Haque, I. ,  Amare, T. ,  [Soil science & plant nutrition annual reports: 1983-1990 and projects protocols: 1991-1993] ,  Soil science & plant nutrition annual reports: 1983-1990 and projects protocols: 1991-1993
Working Paper 1992

Autor: Haque, I. Mamo, T. Astatke, A.

Summarises available information on bulk density and porosity, soil moisture infiltration, N, P and mineralogy. Literature on the phosphorus (P) status of soils, P nutrition of forage legumes and crops, mycorrhizal and P nutrition, species and varietal variation in response to P, P sorption isoth...

Enlace original: https://cgspace.cgiar.org/handle/10568/4303

Investigación en Agricultura
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Haque, I. ,  Mamo, T. ,  Astatke, A. ,  [Nutrients and soil surface management on highland vertisols of Ethiopia] ,  Nutrients and soil surface management on highland vertisols of Ethiopia
Working Paper 1993

Autor: Haque, I.

The paper is divided into two parts. The first part deals with the maitenance of soil productivity under population pressure, and the second part covers research themes and approaches for maintaining soil productivity in crop-livestock systems. Part one discusses project activities including char...

Enlace original: https://cgspace.cgiar.org/handle/10568/4297

Investigación en Agricultura
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Haque, I. ,  [Soil resource management in mixed crop-livestock systems of East and Central African highlands: Research agenda and approaches] ,  Soil resource management in mixed crop-livestock systems of East and Central African highlands: Research agenda and approaches

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