D. Friesen

发表

Determination of phosphorus released by chloroform fumigation from microbial biomass in high P sorbing tropical soils

H. Tiessen, A. Oberson, C. Morel, 1997 .

Nutrient cycling through microbial biomass under rice-pasture rotations replacing native savanna

A. Oberson, A. J. Gijsman, Richard J. Thomas, 1997 .

Phosphorus Transformations in an Oxisol under contrasting land-use systems: The role of the soil microbial biomass

I. Rao, A. Oberson, E. Frossard, 2001, Plant and Soil.

Limited applicability of the CENTURY model to highly weathered tropical soils

H. Tiessen, A. Oberson, A. J. Gijsman, 1996 .

Improving Phosphorus Fertility in Tropical Soils through Biological Interventions

Benjamin L Turner, I. Rao, E. Bünemann, 2006 .

Protein quantity and quality, and grain yield performance of quality protein maize and normal endosperm maize under different levels of nitrogen.

K. Z. Ahmed, M. Bänziger, W. Horst, 2007 .

Gender Analysis and Approaches to Gender Responsive Extension to Promote Quality Protein Maize (QPM) in Ethiopia

H. Groote, D. Friesen, K. Gebreselassie, 2013 .

Plant adaptation to phosphorus: Limited tropical soils

I. Rao, M. Osaki, D. Friesen, 1999 .

Appropriateness of biotechnology to African agriculture: Striga and maize as paradigms

F. Kanampiu, J. Gressel, D. Grimanelli, 2002, Plant Cell, Tissue and Organ Culture.

Nitrogen efficiency as related to dry matter partitioning and root system size in tropical mid-altitude maize hybrids under different levels of nitrogen stress

M. Bänziger, W. Horst, A. Diallo, 2012 .

Quality protein maize: progress and prospects.

H. Groote, B. Vivek, N. Palacios, 2011 .

Nitrogen uptake and utilization in contrasting nitrogen efficient tropical maize hybrids

M. Bänziger, W. Horst, A. Diallo, 2007 .

Fate and efficiency of sulfur fertilizer applied to food crops in West Africa

D. Friesen, 1991, Fertilizer research.

Residual Value of Lime and Leaching of Calcium in a Kaolinitic Ultisol in the High Rainfall Tropics

A. Juo, M. Miller, D. Friesen, 1982 .

Liming and lime-phosphorus-zinc interactions in two Nigerian Ultisols: II. Effects on maize root and shoot growth.

A. Juo, M. Miller, D. Friesen, 1980 .

Elemental sulfur fertilizers and their use on crops and pastures

D. Friesen, C. C. Boswell, 1993, Fertilizer research.

The effect of C:P ratio of plant residues added to soils of contrasting phosphate sorption capacities on P uptake by Panicum maximum (Jacq.)

D. Friesen, G. Umrit, 2004, Plant and Soil.

Multi-site, multi-season field tests demonstrate that herbicide seed-coating herbicide-resistance maize controls Striga spp. and increases yields in several African countries

F. Kanampiu, J. Gressel, C. Massawe, 2003 .

Genetic variability of maize stover quality and the potential for genetic improvement of fodder value

M. Blümmel, M. Worku, B. T. Ertiro, 2013 .

Effects of Crop Rotation and N-P Fertilizer Rate on Grain Yield and Related Characteristics of Maize and Soil Fertility at Bako, Western Oromia, Ethiopia

T. Abera, D. Friesen, D. Feyisa, 2009 .

Integrated Use of Farmyard Manure and NP fertilizers for Maize on Farmers' Fields

W. Negassa, H. Gebrekidan, D. Friesen, 2005 .

A discussion of the methods for comparing the relative effectiveness of phosphate fertilizers varying in solubility

P. Sale, S. Chien, D. Friesen, 1990, Fertilizer research.

Phosphorus status and cycling in native savanna and improved pastures on an acid low-P Colombian Oxisol

W. Stahel, H. Tiessen, A. Oberson, 1999, Nutrient Cycling in Agroecosystems.

Long-term greenhouse evaluation of partially acidulated phosphate rock fertilizers

P. Sale, G. Blair, D. Friesen, 1987, Fertilizer research.

Sequential phosphorus extraction of a 33P-labeled oxisol under contrasting agricultural systems

I. Rao, A. Oberson, E. Frossard, 2002 .

Long-term greenhouse evaluation of partially acidulated phosphate rock fertilizers

P. Sale, G. Blair, D. Friesen, 2005, Fertilizer research.

Influence of co-granulated nutrients and granule size on plant responses to elemental sulfur in compound fertilizers

D. Friesen, 2004, Nutrient Cycling in Agroecosystems.

Effect of Application Method on Availability of Elemental Sulfur in Cropping Sequences

S. Chien, D. Friesen, B. Hamilton, 1988 .

Development of a soil-plant phosphorus simulation model for calcareous and weathered tropical soils

A. Gerakis, J. Ritchie, S. Daroub, 2003 .

Long-term greenhouse evaluation of partially acidulated phosphate rock fertilizers

P. Sale, G. Blair, D. Friesen, 1991, Fertilizer research.

Imazapyr and pyrithiobac movement in soil and from maize seed coats to control Striga in legume intercropping

F. Kanampiu, J. Gressel, J. Ransom, 2002 .

Relationship between the performance of parental inbred lines and hybrids for food-feed traits in maize (Zea mays L.) in Ethiopia

M. Blümmel, B. T. Ertiro, D. Friesen, 2013 .

Liming and Lime‐Phosphorus‐Zinc Interactions in Two Nigerian Ultisols: I. Interactions in the Soil

A. Juo, M. Miller, D. Friesen, 1980 .

Quality Protein Maize (QPM) : a guide to the technology and its promotion in Ethiopia

Abraham Tadesse, Boddupalli M. Prasanna, Dagne Wegary Gissa, 2015 .

Extension and adoption of biofortified crops: Quality protein maize in East Africa

H. Groote, N. Gunaratna, K. Ergano, 2010 .

Improving the value of maize as livestock feed to enhance the livelihoods of maize-livestock farmers in East Africa

D. Friesen, 2009 .

Project Title: A framework for ex ante impact assessment of feed resource options to promote sustainable livelihoods of resource-poor smallholders

P. Thornton, R. Quiroz, M. Herrero, 2004 .

The potential of a herbicide resistant maize technology for Striga control in Africa

H. Groote, F. Kanampiu, M. Odendo, 2008 .

GEL FILTRATION OF HUMIC ACIDS EXTRACTED FROM THE BLACK SOLONETZIC AND BLACK CHERNOZEMIC SOILS OF ALBERTA

Shahamat U. Khan, D. Friesen, 1972 .

Nitrogen-15 and sulfur-35 balances for fertilizers applied to transplanted rainfed lowland rice

R. Buresh, D. Friesen, P. Snitwongse, 1991, Fertilizer research.

International Maize & Wheat Improvement Center Global Trends in Agricultural Biotechnology and CIMMYT's Biotechnology Programme

S. Mugo, David Hoisington, Hugo De Groote, 2001 .

The effectiveness of extension strategies for increasing the adoption of biofortified crops: the case of quality protein maize in East Africa

M. Fisher, N. Gunaratna, H. De Groote, 2016, Food Security.

Tolerance of spring wheat (Triticum aestivum L.) to trifluralin deep-incorporated in the autumn or spring

G. M. Weiss, D. Friesen, P. A. O'sullivan, 1985 .

Relative importance of general combining ability and specific combining ability among tropical maize (zea mays l.) inbreds under contrasting nitrogen environments

M. Bänziger, B. Vivek, W. Horst, 2008 .

Breeding and agronomic approaches to managing abiotic stresses in maize.

F. Kanampiu, A. Diallo, S. Waddington, 2002 .

Potential Markets for Herbicide Resistant Maize Seed for Striga Control in Africa

H. Groote, F. Kanampiu, M. Odendo, 2005 .

CIMMYT Collaborative Efforts unveilS Herbicide-Coated Maize Seed Technology to Curb Problematic Striga

F. Kanampiu, J. Gressel, D. Friesen, 2002 .

Recent developments in participatory plant breeding for maize in Eastern Africa: experiences from Eastern Kenya.

H. Groote, A. Diallo, W. Muasya, 2002 .

Guidelines for the quality control of Quality Protein Maize (QPM) seed and grain : Technical bulletin

H. De Groote, Adefris Teklewold, Boddupalli M. Prasanna, 2016 .

Phosphorus fractions and dynamics in surface earthworm casts under native and improved grasslands in a Colombian savanna Oxisol

T. Decaëns, J. Jiménez, A. Oberson, 2003 .

Soil phosphorus dynamics, acquisition and cycling in crop-pasture-fallow systems in low fertility tropical soils : A review from Latin America

I. Rao, E. Barrios, A. Oberson, 2004 .

TOLERANCE OF SPRING BARLEY TO TRIFLURALIN DEEP-INCORPORATED IN THE FALL OR SPRING

G. M. Weiss, D. Friesen, P. A. O'sullivan, 1985 .

Quality Protein Maize (QPM) : a guide to the technology and its promotion in Ethiopia

B. Prasanna, D. Friesen, A. Teklewold, 2015 .