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- Title
Grazing management in an integrated crop-livestock system: soybean development and grain yield.
- Authors
Kunrath, Taise Robinson; de Faceio Carvalho, Paulo Cesar; Cadenazzi, Mónica; Bredemeier, Christian; Anghinoni, Ibanor
- Abstract
Grazing livestock in integrated crop-livestock systems can cause impacts in the subsequent crop cycle. Aiming to investigate how grazing could affect soybean, the 9th crop cycle of a pasture/soybean rotation was assessed. Treatments were grazing intensities (10, 20, 30 and 40 cm of sward height) applied since 2001 in a mixed of oat and annual ryegrass; and an additional no grazing area as control. Treatments were arranged in a completely randomized block design with three replicates. Grazing affected soybean population and the mass of individual nodules (P<0.05), while the number and mass of nodules per plant were similar (P>0.05). Soybean yield showed differences among treatments, but no difference was found between grazed and non-grazed areas. Grazing intensities impact the coverage and frequency of weeds (P>0.05). In conclusion, grazing intensity impacts different parameters of soybean yield and development, but only the grazing intensity of 10 cm can jeopardize the succeeding soybean crop.
- Subjects
RANGE management; CROP yields; LIVESTOCK systems; SOYBEAN yield; GRAIN yields; CROP rotation
- Publication
Revista Ciência Agronômica, 2015, Vol 46, Issue 3, p645
- ISSN
0045-6888
- Publication type
Article
- DOI
10.5935/1806-6690.20150049