Management of biological N2 fixation in alley cropping systems: Estimation and contribution to N balance

1995 ◽  
pp. 119-141 ◽  
Author(s):  
N. Sanginga ◽  
B. Vanlauwe ◽  
S. K. A. Danso
Keyword(s):  
N2 Fixation ◽  
Alley Cropping ◽  
Cropping Systems ◽  
N Balance ◽  
Biological N2 Fixation

Management of biological N2 fixation in alley cropping systems: Estimation and contribution to N balance

1995 ◽  
Vol 174 (1-2) ◽  
pp. 119-141 ◽  
Author(s):  
N. Sanginga ◽  
B. Vanlauwe ◽  
S. K. A. Danso
Keyword(s):  
N2 Fixation ◽  
Alley Cropping ◽  
Cropping Systems ◽  
N Balance ◽  
Biological N2 Fixation

scholarly journals Nitrogen Pools in Tropical Plantations of N2-Fixing and Non-N2-Fixing Legume Trees under Different Tree Stand Densities

Nitrogen ◽  
2021 ◽  
Vol 2 (1) ◽  
pp. 86-98
Author(s):  
Kelly Nery Bighi ◽  
Ranieri Ribeiro Paula ◽  
Marcos Vinícius Winckler Caldeira ◽  
Diego Lang Burak ◽  
Eduardo de Sá Mendonça ◽  
...  
Keyword(s):  
N2 Fixation ◽  
Stand Density ◽  
N Accumulation ◽  
Biological N2 Fixation ◽  
Nitrogen Acquisition ◽  
Nitrogen Pools ◽  
Acquisition Strategies ◽  
Tropical Plantations ◽  
Schizolobium Parahyba ◽  
Slow Growing

We investigated the nitrogen pools in monocultures of legume species widely used in reforestation in Brazil that have contrasting growth and nitrogen acquisition strategies. The plantations were established with the slow-growing and N2-fixing tree Anadenanthera peregrina var. peregrina, and the fast-growing and non-fixing tree Schizolobium parahyba var. amazonicum. The measurements of N pools in the tree biomass and the soil followed standard methods and were carried out on 54 experimental plots. The N2 fixation pools were evaluated by abundance natural of 15N and the N accretion methods. The soil N content was of similar magnitude between species and stand densities. The species showed similar amounts of N in the biomass, but divergent patterns of N accumulation, as well as the 15N signature on the leaves. S. parahyba accumulated most N in the stem, while A. peregrina accumulated N in the roots and leaves. However, the N accumulation in biomass of A. peregrina stand was less constrained by environment than in S. parahyba stands. The percentage of N derived from N2 fixation in A. peregrina stands decreased with the increase of stand density. The biological N2 fixation estimates depended on the method and the response of tree species to environment.

scholarly journals Correction to: Similar spatial patterns of soil quality indicators in three poplar-based silvo-arable alley cropping systems in Germany

2018 ◽  
Vol 55 (1) ◽  
pp. 15-16
Author(s):  
René Beuschel ◽  
Hans-Peter Piepho ◽  
Rainer Georg Joergensen ◽  
Christine Wachendorf
Keyword(s):  
Soil Quality ◽  
Quality Indicators ◽  
Spatial Patterns ◽  
Alley Cropping ◽  
Cropping Systems ◽  
Soil Quality Indicators

Biological N2-fixation on Mangrove Pneumatophores: Preliminary Observations and Perspectives

AMBIO ◽  
2002 ◽  
Vol 31 (7) ◽  
pp. 612-613 ◽  
Author(s):  
Charles Lugomela ◽  
Birgitta Bergman
Keyword(s):  
N2 Fixation ◽  
Biological N2 Fixation

scholarly journals Growth and yield of common bean cultivars at two soil phosphorus levels under biological nitrogen fixation

2000 ◽  
Vol 35 (4) ◽  
pp. 809-817 ◽  
Author(s):  
ADELSON PAULO ARAÚJO ◽  
MARCELO GRANDI TEIXEIRA ◽  
DEJAIR LOPES DE ALMEIDA
Keyword(s):  
Common Bean ◽  
N2 Fixation ◽  
Soil Phosphorus ◽  
Block Design ◽  
Growth And Yield ◽  
Yield Potential ◽  
Genotypic Differences ◽  
Biological N2 Fixation ◽  
Randomized Block Design ◽  
P Supply

The genotypic differences on growth and yield of common bean (Phaseolus vulgaris L.) in response to P supply were evaluated in a field experiment under biological N2 fixation. Eight cultivars were grown at two levels of applied P (12 and 50 kg ha-1 of P -- P1 and P2 respectively), in randomized block design in factorial arrangement. Vegetative biomass was sampled at three ontogenetic stages. The effects of genotype and phosphorus were significant for most traits, but not the genotype ´ phosphorus interaction. The cultivars presented different patterns of biomass production and nutrient accumulation, particularly on root system. At P1, P accumulation persisted after the beginning of pod filling, and P translocation from roots to shoots was lower. The nodule senescence observed after flowering might have reduced N2 fixation during pod filling. The responses of vegetative growth to the higher P supply did not reflect with the same magnitude on yield, which increased only 6% at P2; hence the harvest index was lower at P2. The cultivars with highest yields also presented lower grain P concentrations. A sub-optimal supply of N could have limited the expression of the yield potential of cultivars, reducing the genotypic variability of responses to P levels.

Microbial activity, organic C accumulation and 13C abundance in soils under alley cropping systems after 9 years of recultivation of quaternary deposits

2009 ◽  
Vol 45 (5) ◽  
pp. 531-538 ◽  
Author(s):  
Seth Nii-Annang ◽  
Holger Grünewald ◽  
Dirk Freese ◽  
Reinhard F. Hüttl ◽  
Oliver Dilly
Keyword(s):  
Microbial Activity ◽  
Alley Cropping ◽  
Cropping Systems ◽  
Quaternary Deposits ◽  
Organic C ◽  
13C Abundance

scholarly journals Biological N2 Fixation in the Upwelling Region off NW Iberia: Magnitude, Relevance, and Players

2017 ◽  
Vol 4 ◽  
Author(s):  
Víctor Moreira-Coello ◽  
Beatriz Mouriño-Carballido ◽  
Emilio Marañón ◽  
Ana Fernández-Carrera ◽  
Antonio Bode ◽  
...  
Keyword(s):  
N2 Fixation ◽  
Biological N2 Fixation ◽  
Nw Iberia
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