摘要
综合阐述了国内外高寒地区一年生牧草及饲料作物单播与混播对草地的产草量、饲用品质等方面的影响,播种、施肥和刈割对混播草地的影响,概述了一年生禾本科牧草与豆科牧草最适混播比例与播量、混播群体种群结构及种间竞争等方面的研究现状。
In this paper, the effect of annual forage in mono and mixed cultivatoin in high latitude and cold area on grass biomass and feed crops quality and The effect of fertilizer and harvest time on grass were summarized. The situation of the most suitable mixture proportion , quantity of sowing seeds,mixture population structure and interspecific competition of annual gramineae forage and leguminosae forage were summarized eitter.
出处
《黑龙江农业科学》
2006年第3期72-75,共4页
Heilongjiang Agricultural Sciences
关键词
牧草
饲料作物
混播群体
产质量
forage grass
feed crops
mixture population
yield and quality