Se planteó un ensayo de campo para evaluar los efectos acumulados de la fertilización y la labranza en el cultivo de maíz y en pastos sin carga animal. Se evaluaron cambios en parámetros químicos y físicos del suelo en el primer centímetro de suelo de parcelas que se establecieron en 1995 en la f...
Galvis, JH
,
Amézquita Collazos, Edgar
,
Madero, E
,
[Evaluación del efecto de la intensidad de labranza en la formación de costra superficial de un oxisol de sabana en los Llanos Orientales de Colombia : I. Caracterización química y textural en superficie = Evaluation of harrowing intensity on surface crusting on an oxisol of the eastern plains of Colombia: I. Chemical and textural characterization in soil surface]
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Evaluación del efecto de la intensidad de labranza en la formación de costra superficial de un oxisol de sabana en los Llanos Orientales de Colombia : I. Caracterización química y textural en superficie = Evaluation of harrowing intensity on surface crusting on an oxisol of the eastern plains of Colombia: I. Chemical and textural characterization in soil surface
Maltas, A
,
Corbeels, Marc
,
Scopel, E
,
Wery, J
,
Silva, F.A.M. da
,
[Cover crop and nitrogen effects on maize productivity in no-tillage systems of the Brazilian cerrados]
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Cover crop and nitrogen effects on maize productivity in no-tillage systems of the Brazilian cerrados
Tropical soils are particularly vulnerable to fertility losses due to their low capacity to retain organic matter and mineral nutrients. This urges the development of new agricultural practices to manage mineral nutrients and organic matter in a more sustainable way while relying less on fertiliz...
Noguera, D
,
Laossi, KR
,
Lavelle, Patrick M.
,
Cruz de Carvalho, M.H.
,
Asakawa, N.
,
Botero, César
,
Barot, S
,
[Amplifying the benefits of agroecology by using the right cultivars]
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Amplifying the benefits of agroecology by using the right cultivars
The sequential extraction procedure currently used to measure magnesium (Mg) fertilizer dissolution in soils consists of removing dissolved Mg (step 1), and partially dissolved Mg (step 2), followed by an 18?h extraction with 2 M HCl at room temperature to determine undissolved Mg (step 3). This ...
Loganathan, P
,
Mitchell, AD
,
Hanly, JA
,
Aye, Tin Maung
,
[An improved procedure for determining magnesium fertilizer dissolution in field soils]
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An improved procedure for determining magnesium fertilizer dissolution in field soils
Maize (Zea mays L.) and bean (Phaseolus vulgaris L.) are commonly grown in association in eastern and southern Africa. Results from 64-fertilizer response trials conducted in Kenya were used to study the relationship between maize monoculture response to fertilizer nitrogen and phosphorus and the...
Wortmann, Charles S.
,
Schnier, HF
,
Muriuki, AW
,
[Estimation of the fertilizer response of maize and bean intercropping using sole crop response equations]
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Estimation of the fertilizer response of maize and bean intercropping using sole crop response equations
Many food production systems in sub-Saharan Africa are constrained by phosphorus (P). We hypothesized that within legume-cereal rotation systems: targeting P to the legume phase leads to higher system productivity, and that use of grain legumes leads to better economic returns than use of herbace...
Kihara, Job
,
Vanlauwe, Bernard
,
Waswa, Boaz S.
,
Kimetu, J.M.
,
Chianu, J.N.
,
Bationo, B. André
,
[Strategic phosphorus application in legume-cereal rotations increases land productivity and profitability in Western Kenya]
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Strategic phosphorus application in legume-cereal rotations increases land productivity and profitability in Western Kenya
The application of silicon (Si) fertilizers reduces the severity of blast, caused by Magnaporthe grisea, in irrigated and upland rice; however, little research has been conducted to examine the epidemiological and etiological components of this reduction. Four cultivars of rice with differential ...
Seebold, KW
,
Kucharek, TA
,
Datnoff, LE
,
Correa Victoria, Fernando J.
,
Marchetti, MA
,
[The influence of silicon on components of resistance to blast in susceptible, partially resistant, and resistant cultivars of rice]
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The influence of silicon on components of resistance to blast in susceptible, partially resistant, and resistant cultivars of rice
Kizito, Fred
,
Kihara, Job
,
Bekunda, Mateete A.
,
Smith, Georgina
,
Odhong, Jonathan
,
[Towards a food secure future: Sharing our research with farmers in Babati District, Tanzania]
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Towards a food secure future: Sharing our research with farmers in Babati District, Tanzania
Kihara, Job
,
Tamene, Lulseged
,
Massawe, P.
,
Bekunda, Mateete A.
,
[Agronomic survey to assess crop yield, controlling factors and management implications: a case-study of Babati in northern Tanzania]
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Agronomic survey to assess crop yield, controlling factors and management implications: a case-study of Babati in northern Tanzania