Instituto Nacional Of Investigaciones Forestales Agricolas Y Pecuarias Inifap Cd Matamoros

Mexico

Instituto Nacional Of Investigaciones Forestales Agricolas Y Pecuarias Inifap Cd Matamoros

Mexico

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Reta-Sanchez D.G.,Instituto Nacional Of Investigaciones Forestales Agricolas Y Pecuarias Inifap Cd Matamoros | Serrato-Corona J.S.,Universidad Juárez del Estado de Durango | Quiroga-Garza H.M.,Instituto Nacional Of Investigaciones Forestales Agricolas Y Pecuarias Inifap Cd Matamoros | Gaytan-Mascorro A.,Instituto Nacional Of Investigaciones Forestales Agricolas Y Pecuarias Inifap Cd Matamoros | Figueroa-Viramontes U.,Instituto Nacional Of Investigaciones Forestales Agricolas Y Pecuarias Inifap Cd Matamoros
Grass and Forage Science | Year: 2015

The sowing method of spring-type canola (Brassica napus L. var. oleifera) for forage has a major influence on its productivity and agronomic management. A field experiment was conducted in Matamoros, Coahuila, Mexico, during two growing seasons (2008-2009 and 2009-2010) to determine dry matter (DM), crude protein (CP) and net energy for lactation (NEL) yields, as well as canola forage chemical composition as a function of six sowing methods. The treatments assessed were broadcast sowing and five different row spacings: 0·19, 0·38, 0·57, 0·76 and 0·95 m (double row, 0·20 m apart). In the first year, with a mean growing season temperature of 17·2°C, sowing methods did not affect DM yield, but CP and NEL content and yield were higher in 0·19-m row spacing. The mean temperature in the second year (13·5°C) was slightly lower than the long-term mean (14·8°C) in the region, resulting in the highest DM (8840 kg ha-1), CP (2486 kg ha-1) and NEL yields (51 103 MJ ha-1) with 0·19-m row spacing. In row-sowing methods with over 0·19-m row spacing, DM, CP and NEL yields decreased by 19·3-39·7, 20·4-42·1 and 21·2-42·7% respectively. Results indicate that sowing methods significantly affected canola forage productivity. © 2015 John Wiley & Sons Ltd.

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