Alternative crop sequences for increasing the forage potential and water productivity

被引：0
|
作者：
Reta Sanchez, David Guadalupe [1 ]
Serrato Corona, J. Santos [2 ]
Quiroga Garza, Hector Mario [1 ]
Gaytan Mascorro, Arturo [1 ]
Figueroa Viramontes, Uriel [1 ]
机构：
[1] Inst Nacl Invest Forestales Agr & Pecuarias, Campo Expt La Laguna, Saltillo, Coahuila, Mexico
[2] Univ Juarez Estado Durango, Fac Agr & Zootecnia, Durango, Mexico
来源：
REVISTA MEXICANA DE CIENCIAS PECUARIAS | 2018年 / 9卷 / 04期
关键词：
Dry matter; Nutrients; Chemical composition; Brassica napus L; Carthamus tinctorius L; Pennisetum glaucum (L.) R. Br;
D O I：
10.22319/rmcp.v9i4.4294
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Intensification of forage production during fall-winter season may improve productivity of cropping systems. The objective of this study was to determine the forage potential and water productivity (WP) of alternative crop sequences with double-crop during fall-winter season. The study was conducted during 2012-2013 y 2013-2014 cycles in Matamoros, Coahuila, Mexico. The alternative crop sequences canola-triticale-corn, canola-barley-corn, canolasafflower-corn and canola-triticale-pearl millet were compared with the conventional crop sequences oat-corn-corn and oat-sorghum-sorghum. Forage chemical composition, dry matter (DM) and nutrient yields, and WP values for DM, crude protein (CP) and net energy for lactation (NEL) production were determined. Alternative crop sequences showed higher yields (11.4 to 53.3 %) and superior WP values (23.1 to 58.9 %) in CP production (P<0.05), besides they had water savings from 5.7 to 36 cm as compared with the conventional crop sequence oat-corn-corn. The best alternative sequences were those with the incorporation of canola in fall, barley or triticale in winter, and corn in spring, due to their higher yield and WP in CP (P<0.05). In addition, their WP values for DM (1.92 to 2.05 kg m(-3)) and NEL (12.22 to 13.64 MJ m(-3)) were similar (P>0.05) or higher (P<0.05) to those for the sequence oat-corn-corn, with 1.65 to 199 kg m(-3) for DM and 11.09 to 13.72 MJ m(-3) for NEL. The results show that alternative crop sequences with double-crop during fall-winter season can improve the efficiency of forage production.
引用
收藏
页码：685 / 701
页数：17
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