Row spacing, landscape position, and maize grain yield
The use of narrow row spacing for the different landscape positions of a field could punish maize [Zea mays L.] grain yield. Two experiments were conducted [2006/07 and 2007/08] at different landscape positions in the Inland Pampas of Argentina. Hybrid DK190MG was grown at the commonest plant densit...
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| 100 | 1 | |9 7271 |a Maddonni, Gustavo Angel | |
| 245 | 0 | 0 | |a Row spacing, landscape position, and maize grain yield |
| 520 | |a The use of narrow row spacing for the different landscape positions of a field could punish maize [Zea mays L.] grain yield. Two experiments were conducted [2006/07 and 2007/08] at different landscape positions in the Inland Pampas of Argentina. Hybrid DK190MG was grown at the commonest plant density used at each landscape position [approximately 5.1 plants/m2 at the summit, 6.5 plants/m2 at shoulder-slope position, and 7.6 plants/m2 at foot-slope position] with three row spacings [0.38 m, 0.52 m, and 0.38 m in a 2 x 1 skip-row pattern]. At the silking stage of maize crops, soil water content [0-200 cm depth] and maximum light capture differed [0.05 less than P less than 0.001] among landscape positions but were similar among row spacings. Differences in grain yield among landscape positions [mean 806, 893, and 1104 g/m2 at the summit, shoulder-slope position, and foot-slope position, resp.] were related to kernel number/m2 [r = 0.94], which was closely related [r = 0.90] to light capture around silking. Grain yield reductions [6 to 20 percent] were recorded when crops were cultivated in rows 0.38 m apart. The skip-row pattern did not improve grain yield. Maize grain yield was optimized in rows 0.52 m apart along the sandy landscape positions of the fields. | ||
| 653 | 0 | |a ZEA MAYS | |
| 700 | 1 | |a Martínez Bercovich, Joaquín |9 34937 | |
| 773 | |t International Journal of Agronomy |g vol.2014 (2014), p.1-12 | ||
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| 900 | |a Maddonni, G.A. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas A la Agricultura, Avenue San Martín 4453Ciudad de Buenos Aires, Argentina | ||
| 900 | |a Maddonni, G.A. Cátedra de Cerealicultura, Departamento de Producción Vegetal, Facultad de Agronomía, Universidad de Buenos Aires, Avenue San Martín 4453Buenos Aires, Argentina | ||
| 900 | |a Martínez-Bercovich, J. Dow AgroScience Argentina S.A., Ruta 8 km 264, ColónBuenos Aires, Argentina | ||
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| 900 | |a The use of narrow row spacing for the different landscape positions of a field could punish maize [Zea mays L.] grain yield. Two experiments were conducted [2006/07 and 2007/08] at different landscape positions in the Inland Pampas of Argentina. Hybrid DK190MG was grown at the commonest plant density used at each landscape position [approximately 5.1 plants/m2 at the summit, 6.5 plants/m2 at shoulder-slope position, and 7.6 plants/m2 at foot-slope position] with three row spacings [0.38 m, 0.52 m, and 0.38 m in a 2 x 1 skip-row pattern]. At the silking stage of maize crops, soil water content [0-200 cm depth] and maximum light capture differed [0.05 less than P less than 0.001] among landscape positions but were similar among row spacings. Differences in grain yield among landscape positions [mean 806, 893, and 1104 g/m2 at the summit, shoulder-slope position, and foot-slope position, resp.] were related to kernel number/m2 [r = 0.94], which was closely related [r = 0.90] to light capture around silking. Grain yield reductions [6 to 20 percent] were recorded when crops were cultivated in rows 0.38 m apart. The skip-row pattern did not improve grain yield. Maize grain yield was optimized in rows 0.52 m apart along the sandy landscape positions of the fields. | ||
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