当前位置: 首页 > 文章 > 饱和D-最优设计在草地刈割研究中的应用 青海草业 2001,10 (3) 11-13
Position: Home > Articles > USING SATURATED D-BEST DESIGN METHOD TO STUDY OF MOWING PASTURE Qinghai Prataculture 2001,10 (3) 11-13

饱和D-最优设计在草地刈割研究中的应用

作  者:
冯成兰;公保才让;赵青珍
单  位:
铁盖乡兽医站;廿地乡兽医站;海南州草原站
关键词:
饱和D-最优设计;人工草地;播种密度;刈割留茬高度
摘  要:
采用饱和D -最优设计方法 ,研究多年生人工草地刈割与地上部分生物量的关系 ,通过测定播种密度、刈割留茬高度试验的各项参数 ,建立不同播种密度、不同刈割留茬高度对多年生人工刈割草地地上部分生物量的函数模型 ,同时确定了多年生人工刈割最佳刈割高度和最佳播种密度分别为 4.5cm~ 8cm、363株丛 /m2 ~ 1 330株丛 /m2 。
译  名:
USING SATURATED D-BEST DESIGN METHOD TO STUDY OF MOWING PASTURE
作  者:
FENG Cheng-lan et al (Er shi Di township station of veterinary medicine Qiaboqia, 813000,China)
关键词:
saturated D-best Design method; sown pasture sowing density; mowing height
摘  要:
The relationship between mowing and aboveground biomass in somn pasture was studied by use of satarated D-Best Design method, and by determinating such parameters as sowing density. mowing height, and so on, the functions model of dofferent sowing density and different mowing height against aboveground biomass of mowing pasture was estabtished. Meanwhile, the optimum mowing height and sowing density were definited as 4.5cm~8cm and 363plant~1330plants per square meter, respectively.

相似文章

计量
文章访问数: 23
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊