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Journal Article 2016-02-01

Understanding variability in soybean yield and response to P-fertilizer and rhizobium inoculants on farmers' fields in northern Nigeria

Autor: Ronner, E. Franke, A.C. Vanlauwe, Bernard Dianda, M. Edeh, E. Ukem, B. Bala, A. Heerwaarden, Joost van Giller, Ken E.

Soybean yields could benefit from the use of improved varieties, phosphate-fertilizer and rhizobium inoculants. In this study, we evaluated the results of widespread testing of promiscuous soybean varieties with four treatments: no inputs (control); SSP fertilizer (P); inoculants (I) and SSP plus...

Enlace original: https://cgspace.cgiar.org/handle/10568/75563

Investigación en Agricultura

BRADYRHIZOBIUM

SOYBEANS

GRAIN LEGUMES

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Ronner, E. , Franke, A.C. , Vanlauwe, Bernard , Dianda, M. , Edeh, E. , Ukem, B. , Bala, A. , Heerwaarden, Joost van , Giller, Ken E. , [Understanding variability in soybean yield and response to P-fertilizer and rhizobium inoculants on farmers' fields in northern Nigeria] , Understanding variability in soybean yield and response to P-fertilizer and rhizobium inoculants on farmers' fields in northern Nigeria

Journal Article 2016

Improving the speed of adoption of agricultural technologies and farm performance through farmer groups: evidence from the Great Lakes region of Africa.

Autor: Ainembabazi, John H. Asten, Piet J.A. van Vanlauwe, Bernard Ouma, Emily A. Blomme, Guy Birachi, Eliud Abucheli Dontsop Nguezet, Paul M. Mignouna, Djana B. Manyong, Victor M.

Enlace original: https://cgspace.cgiar.org/handle/10568/78370

Investigación en Agricultura

FARMERS ASSOCIATION

FARMER PARTICIPATION

FARMS

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Ainembabazi, John H. , Asten, Piet J.A. van , Vanlauwe, Bernard , Ouma, Emily A. , Blomme, Guy , Birachi, Eliud Abucheli , Dontsop Nguezet, Paul M. , Mignouna, Djana B. , Manyong, Victor M. , [Improving the speed of adoption of agricultural technologies and farm performance through farmer groups: evidence from the Great Lakes region of Africa.] , Improving the speed of adoption of agricultural technologies and farm performance through farmer groups: evidence from the Great Lakes region of Africa.

Journal Article 2016-01-20

Agricultural extension in Eastern Democratic Republic of Congo: Does gender matter?

Autor: Lambrecht, I. Vanlauwe, Bernard Maertens, M.

Agricultural extension programmes often evaluate their gender strategy by the proportion of female participants. However, female participation is not necessarily conducive for reaching programme objectives.Weanalyse whether participation of female farmers in an agricultural extension programme in...

Enlace original: https://cgspace.cgiar.org/handle/10568/75754

Investigación en Agricultura

GENDER

AGRICULTURAL EXTENSION

DEMOCRATIC REPUBLIC OF THE CONGO

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Lambrecht, I. , Vanlauwe, Bernard , Maertens, M. , [Agricultural extension in Eastern Democratic Republic of Congo: Does gender matter?] , Agricultural extension in Eastern Democratic Republic of Congo: Does gender matter?

Presentation 2013-08-19

Rising to the challenge of sustainable intensification of agricultural production in Africa - Farming systems design to support action research for development

Autor: Groot, Jeroen C.J. Klapwijk, C.J. Timler, Carl J. Bekunda, Mateete A. Mourik, T.A. van Descheemaeker, Katrien Tittonell, Pablo A. Giller, Ken E. Snapp, Sieglinde S. Vanlauwe, Bernard

Enlace original: https://cgspace.cgiar.org/handle/10568/33870

Investigación en Agricultura

INTENSIFICATION

FARMING SYSTEMS

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Groot, Jeroen C.J. , Klapwijk, C.J. , Timler, Carl J. , Bekunda, Mateete A. , Mourik, T.A. van , Descheemaeker, Katrien , Tittonell, Pablo A. , Giller, Ken E. , Snapp, Sieglinde S. , Vanlauwe, Bernard , [Rising to the challenge of sustainable intensification of agricultural production in Africa - Farming systems design to support action research for development] , Rising to the challenge of sustainable intensification of agricultural production in Africa - Farming systems design to support action research for development

Journal Article 2001

Temporal variations in plant delta 13C values and implications for using the 13C technique in longterm soil organic matter studies

Autor: Diels, J. Vanlauwe, Bernard Sanginga, N. Coolen, E. Merckx, R.

The 13C natural labeling technique in combination with modeling could potentially be used to analyze SOM changes in long-term experiments involving complex cropping systems such as agroforestry systems. It requires information on quantity and 13C abundance of all plant materials entering the soil...

Enlace original: https://cgspace.cgiar.org/handle/10568/92684

Investigación en Agricultura

SOIL ORGANIC CARBON

CARBON FRACTIONATION

WEEDS

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Diels, J. , Vanlauwe, Bernard , Sanginga, N. , Coolen, E. , Merckx, R. , [Temporal variations in plant delta 13C values and implications for using the 13C technique in longterm soil organic matter studies] , Temporal variations in plant delta 13C values and implications for using the 13C technique in longterm soil organic matter studies

Journal Article 2002

Fertility status of soils of the derived savanna and northern guinea savanna benchmarks and response to major plant nutrients, as influenced by soil type and land use management

Autor: Vanlauwe, Bernard Diels, J. Lyasse, O. Aihou, K. Iwuafor, E. Sanginga, N. Merckx, R. Deckers, J.

Although the fertility status of soils in the West African moist savanna is generally believed to be low, crop yields on farmers' fields vary widely from virtually nil to values near the potential production. The soil fertility status was evaluated for a number of farmers' fields selected at rand...

Enlace original: https://cgspace.cgiar.org/handle/10568/92718

Investigación en Agricultura

FERTILIZER USE

MAIZE

MISSING NUTRIENT TRIAL

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Vanlauwe, Bernard , Diels, J. , Lyasse, O. , Aihou, K. , Iwuafor, E. , Sanginga, N. , Merckx, R. , Deckers, J. , [Fertility status of soils of the derived savanna and northern guinea savanna benchmarks and response to major plant nutrients, as influenced by soil type and land use management] , Fertility status of soils of the derived savanna and northern guinea savanna benchmarks and response to major plant nutrients, as influenced by soil type and land use management

Journal Article 2002

Chemical properties and soil organic matter assessment under fallow systems in the forest margins benchmark

Autor: Koutika, L.S. Sanginga, N. Vanlauwe, Bernard Weise, S.F.

Fallow management plays a key role in supplying nutrients to the growing crop, suppressing weeds, reducing pests and diseases, and improving the sustainability of cropping systems in the humid forest zone of West and Central Africa. We evaluated soil nutrient concentration, soil acidity and soil ...

Enlace original: https://cgspace.cgiar.org/handle/10568/92716

Investigación en Agricultura

CHROMOLAENA

CROP YIELDS

PUERARIA

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Koutika, L.S. , Sanginga, N. , Vanlauwe, Bernard , Weise, S.F. , [Chemical properties and soil organic matter assessment under fallow systems in the forest margins benchmark] , Chemical properties and soil organic matter assessment under fallow systems in the forest margins benchmark

Journal Article 2001

Alley cropping with Senna siamea in southwestern Nigeria: 1 Recovery of 15N labelled urea by the alley cropping system

Autor: Vanlauwe, Bernard Sanginga, N. Merckx, R.

Improved cropping systems with in-situ production of organic matter require the input of additional inorganic N to maintain crop production in a sustainable way. For proper management of this fertilizer-N, it is necessary to quantify how the applied fertilizer N is used by the various components ...

Enlace original: https://cgspace.cgiar.org/handle/10568/92658

Investigación en Agricultura

ANION EXCHANGE CAPACITY

COWPEAS

MAIZE

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Vanlauwe, Bernard , Sanginga, N. , Merckx, R. , [Alley cropping with Senna siamea in southwestern Nigeria: 1 Recovery of 15N labelled urea by the alley cropping system] , Alley cropping with Senna siamea in southwestern Nigeria: 1 Recovery of 15N labelled urea by the alley cropping system

Journal Article 2001

Alley cropping with Senna siamea in southwestern Nigeria: 11 Dry matter, total N, and ureaderived N dynamics of the Senna and maize roots

Autor: Vanlauwe, Bernard Sanginga, N. Merckx, R.

Crop and tree roots are crucial in the nutrient recycling hypotheses related to alley cropping systems. At the same time, they are the least understood components of these systems. The biomass, total N content and urea-derived N content of the Senna and maize roots in a Senna-maize alley cropping...

Enlace original: https://cgspace.cgiar.org/handle/10568/92659

Investigación en Agricultura

ANION EXCHANGE CAPACITY

COWPEAS

FERTILIZER N

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Vanlauwe, Bernard , Sanginga, N. , Merckx, R. , [Alley cropping with Senna siamea in southwestern Nigeria: 11 Dry matter, total N, and ureaderived N dynamics of the Senna and maize roots] , Alley cropping with Senna siamea in southwestern Nigeria: 11 Dry matter, total N, and ureaderived N dynamics of the Senna and maize roots

Journal Article 2002

The contribution of nitrogen by promiscuous soybeans to maize based cropping the moist savanna of Nigeria

Autor: Sanginga, N. Okogun, J. Vanlauwe, Bernard Dashiell, Kenton E.

Agronomic results indicate that maize grain yields generally are higher when the crop is planted following soybean than in continuous maize cultivation in the moist savanna agroecological zones of West Africa. Many factors have been hypothesized to explain this phenomenon, including enhanced N av...

Enlace original: https://cgspace.cgiar.org/handle/10568/92726

Investigación en Agricultura

ISOTOPE DILUTION

N CONTRIBUTION

RECOVERY

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Sanginga, N. , Okogun, J. , Vanlauwe, Bernard , Dashiell, Kenton E. , [The contribution of nitrogen by promiscuous soybeans to maize based cropping the moist savanna of Nigeria] , The contribution of nitrogen by promiscuous soybeans to maize based cropping the moist savanna of Nigeria

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