1978
DOI: 10.1007/978-1-4612-9929-5_6
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A Simulation Model for Decomposition in Grasslands

Abstract: A model has been developed to simulate the dynamics of decomposers and substrates in grasslands. Sub~trates r~presented are humic material, feces, and dead plant and animal remains. Exc~pt for humic ma~enal, sub_strates are fur!her divid_ed _into a rapidly and a slowly decomposing f~actwn. The proportiOn of rapidly decomposmg matenal m a substrate is predicted from its initial mtroge_n content. The bel_owground P?r~ion of ~he system is divided into layers because temperature and soil water.' the most Important… Show more

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Cited by 50 publications
(81 citation statements)
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References 47 publications
(30 reference statements)
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“…Many researchers have developed temperature and moisture factors to quantify environmental limitation to decomposition. It has been estimated that decomposition of residue in grasslands is an empirical function of soil water tension, N in the soil and has quadratic effect of temperature from 0 to 38°C [45]. Effect of temperature and water content on decomposition of residue can be simply explained as follows [85].…”
Section: Conservation Agriculture and C And N Release For Cropsmentioning
confidence: 99%
“…Many researchers have developed temperature and moisture factors to quantify environmental limitation to decomposition. It has been estimated that decomposition of residue in grasslands is an empirical function of soil water tension, N in the soil and has quadratic effect of temperature from 0 to 38°C [45]. Effect of temperature and water content on decomposition of residue can be simply explained as follows [85].…”
Section: Conservation Agriculture and C And N Release For Cropsmentioning
confidence: 99%
“…Alguns estudos, relacionando a persistência de resíduos vegetais na superfície do solo com a temperatura e a umidade, têm mostrado que essa relação é exponencial negativa (Hunt, 1977;Wieder & Lang, 1982), com pequena influência dessas variáveis sobre a decomposição de resíduos. Em outros trabalhos, tem-se observado relação exponencial negativa entre as quantidades de resíduos vegetais sobre a superfície e o tempo de exposição desses resíduos no solo (Stroo et al, 1989;Bertol et al, 1998) e, ainda em outros, tem-se observado relação linear negativa (Douglas Jr. et al, 1980;Stott et al, 1990), com grande influência da variável tempo sobre a decomposição de resíduos.…”
Section: Introductionunclassified
“…Alguns estudos, relacionando a persistência de resíduos culturais com a temperatura e umidade, têm mostrado que essa relação é predominantemente exponencial (Hunt, 1977;Wieder & Lang, 1982). Outros, por outro lado, mostram relação linear entre quantidades de resíduos culturais sobre a superfície do solo e tempo de exposição desses resíduos no solo (Douglas Jr. et al,.…”
Section: Introductionunclassified