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Summer Cover Crops Shoot Decomposition and Nitrogen Release in a No-Tilled Sandy Soil Rev. Bras. Ciênc. Solo
Weiler,Douglas Adams; Giacomini,Sandro José; Aita,Celso; Schmatz,Raquel; Pilecco,Getúlio Elias; Chaves,Bruno; Bastos,Leonardo Mendes.
ABSTRACT Cover crops have numerous benefits when used in a no-till system. Understanding the processes of decomposition and N release of summer cover crops (SCC) may help select species and management to be used in cropping systems. This study aimed to evaluate C and N loss of SCC shoots. Six SCCs were evaluated: velvet bean (Mucuna aterrima), pearl millet (Pennisetum americanum), dwarf pigeon pea (Cajanus cajan), sunn hemp (Crotalaria juncea), showy rattlebox (Crotalaria spectabilis), and jack bean (Canavalia ensiformis). The experiment was conducted for two years under no-till in soil classified as Typic Hapludalf (Argissolo). The C and N remaining of crop shoots were evaluated for 140 days using litter bags and the results were fitted with a simple...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chemical composition; Legumes; Cropping system; Crop residue; Nutrient cycling.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832019000100414
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