@article{fdi:010062259,
  title = {{E}missions of {CO}2 and {N}2{O} from a pasture soil from {M}adagascar-{S}imulating conversion to direct-seeding mulch-based cropping in incubations with organic and inorganic inputs},
  author = {{R}abenarivo, {M}. and {W}rage-{M}oennig, {N}. and {C}hotte, {J}ean-{L}uc and {R}abeharisoa, {L}. and {R}azafimbelo, {T}. {M}. and {C}hapuis {L}ardy, {L}ydie},
  editor = {},
  language = {{ENG}},
  abstract = {{I}n the highlands of {M}adagascar, agricultural expansion gained on grasslands and cropping systems based on direct seeding with permanent vegetation cover are emerging as a means to sustain upland crop production. {T}he objective of this study was to examine how such agricultural practices affect greenhouse-gas emissions from a loamy {F}erralsol previously used as a pasture. {W}e conducted an experiment under controlled laboratory conditions combining cattle manure, crop residues (rice straw), and mineral fertilizers (urea plus {NPK} or di-{NH}4-phosphate) to mimic on-field inputs and examined soil {CO}2 and {N}2{O} emissions during a 28-d incubation at low and high water-filled pore space (40% and 90% {WFPS}). {E}missions of {N}2{O} from the control soil, i.e., soil receiving no input, were extremely small (< 5 ng {N}2{O}-{N} (g soil)(-1) h(-1)) even under anaerobic conditions. {S}oil moisture did not affect the order of magnitude of {CO}2 emissions while {N}2{O} fluxes were up to 46 times larger at high soil {WFPS}, indicating the potential influence of denitrification under these conditions. {B}oth {CO}2 and {N}2{O} emissions were affected by treatments, incubation time, and their interactions. {C}rop-residue application resulted in larger fluxes of {CO}2 but reduced {N}2{O} emissions probably due to {N} immobilization. {T}he use of di-{NH}4-phosphate was a better option than {NPK} to reduce {N}2{O} emissions without increasing {CO}2 fluxes when soil received mineral fertilizers. {F}urther studies are needed to translate the findings to field conditions and relate greenhouse-gas budgets to crop production.},
  keywords = {conservation agriculture ; carbon dioxide ; nitrous oxide ; cattle manure ; crop residues ; mineral fertilizer ; soil moisture ; {MADAGASCAR}},
  booktitle = {},
  journal = {{J}ournal of {P}lant {N}utrition and {S}oil {S}cience},
  volume = {177},
  numero = {3},
  pages = {360--368},
  ISSN = {1436-8730},
  year = {2014},
  DOI = {10.1002/jpln.201300032},
  URL = {https://www.documentation.ird.fr/hor/fdi:010062259},
}