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Evaluation of legumes and poultry manure for the early protection of burnt soils Evaluación de leguminosas y gallinaza para la protección temprana de suelos quemados Avaliaçao da utilizaçao de leguminosas e estrume de galináceos na protecção precoce de solos queimados

Author(s): Serafín González Prieto | Arturo Castro | Tarsy Carballas

Journal: Spanish Journal of Soil Science
ISSN 2253-6574

Volume: 2;
Issue: 1;
Date: 2012;
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Keywords: N availability | soil conservation | wildfires | N asimilable | conservación del suelo | incendios forestales | N assimilável | conservação do solo | incêndios florestais

Organic amendments combined with the sowing of gramineous grasses are effective for the early protection of burnt soils (BS) but cannot restore soil N status to pre-fire level; this has led to interest in combining their use with N2 fixer legumes. The effectiveness of applying poultry manure (PM; 2 Mg ha-1) and sowing legumes (Lotus corniculatus, Lupinus polyphyllus and Trifolium repens) for the early protection of BS was compared with that of applying PM + Lolium perenne and growing these four species without PM in a 3-month pot experiment, which also included a control consisting of an unburnt soil (US). In US, the shoot and root biomass increased as follows: Trifolium ~ Lotus 

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