Effects of tillage method and seeding rate of wheat pasture on forage production and calf performance

被引:6
作者
Beck, P. A. [1 ]
Beck, M. R. [2 ]
Adams, J. M. [1 ]
Hubbell, D., III [3 ]
Hess, T. [2 ]
Foote, A. P. [1 ]
Kegley, E. B. [4 ]
机构
[1] Oklahoma State Univ, Dept Anim & Food Sci, Stillwater, OK 74078 USA
[2] USDA ARS, Conservat & Prod Res Lab, Bushland, TX 79012 USA
[3] Univ Arkansas, Div Agr, Livestock & Forestry Res Stn, Batesville, AR 72501 USA
[4] Univ Arkansas, Div Agr, Dept Anim Sci, Fayetteville, AR 72701 USA
来源
APPLIED ANIMAL SCIENCE | 2022年 / 38卷 / 03期
关键词
wheat pasture; grazing steers; seeding rate; tillage method; WINTER-WHEAT; PLANTING DATE; GRAIN-YIELD; NO-TILL; SYSTEMS; ROTATIONS; HARD; MASS;
D O I
10.15232/aas.2021-02262
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Objectives: Our objectives were to determine the effects of wheat (Triticum aestivum L.) establishment method [conventional tillage (CT) vs. no-till (NT)] and seeding rate on forage and animal production.Materials and Methods: Pastures were planted in early September of each year with seeding rates (SR) of 67, 100, or 134 kg of wheat/ha. Steers (n = 144; BW = 235 + 23.2 kg) were placed on wheat pasture for the fall and winter grazing season and were replaced by a new set of steers (n = 288, BW = 263 + 19.1 kg) for spring grazeout. Forage was sampled monthly for forage production and nutritive quality determination.Results and Discussion: Increasing SR resulted in increased (P < 0.02) forage mass and forage allowance but tended (P < 0.08) to decrease CP and ME of wheat forage in the fall and winter. No-till tended (P < 0.09) to produce less forage mass during the fall and winter but tended (P = 0.08) to increase forage mass in April. Increasing SR tended (P = 0.09) to increase steer ADG during the fall and winter. Steer gains during the fall and winter were not affected (P = 0.95) by tillage system and were improved (P = 0.01) by NT in the spring.Implications and Applications: Increasing SR increased fall forage production in both CT and NT and tended to increase steer gains in the fall, without increasing total gain per hectare during the fall. No-till establishment methods have production advantages that will likely improve farm net returns.
引用
收藏
页码:211 / 221
页数:11
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