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Secondly, before reseeding white clove and cocksfoot firing disposal should be done to the main weed and the dead substance on pasture in June.

18.1 提高牧草生长速率的有效优化调控技术是:第一,7~10月牧草生长旺季适当增加载畜量;第二,6月份对草地主要杂草和死物质进行火烧处理,然后补播白三叶和鸭茅;第三,6月初雨期撒施钙镁磷肥、尿素;第四,实施划区围栏,有效控制放牧面积;第五,每年5—10月刈割杂草;第六,适度减少人工草地中非洲狗尾草和狼尾草的比例或予以清除;第七,在与常年风向垂直的地段建植防护林带。

According to the residues of herbage in pasture land, utilization rate, lovestock intake rate, and the situation of snow corer ete.

在此基础上,根据冷季的草地牧草残留量、牧草贮存量、草场利用率、家畜采食率、冷季天数及草地积雪情况等建立了草原冷季载畜量计算模型,为草原生态系统的良性循环提供科学依据。

Research on the dynamic variation of cold resistance in forage′s root system has great importance for forage introduction and screening, especially in cold areas.

研究牧草根系抗寒性的动态变化,对寒冷地区的牧草引种筛选意义重大。

The research results showed that:①Ensilage the native grass when its moisture content was from 65%~70%, density was in the range of 350 ~ 400 kg/m3, the silage grass not only has better sensory quality, better fermentation, higher silage success ratio and better stability, but also can preserve the nutritional ingredients effectively and make the silage grass has higher feeding value.

研究结果表明:①天然牧草在含水量在65%~70%、密度在350~400kg/m3范围内青贮,青贮料的感官品质、发酵品质较好,贮成率显著高于其它处理条件,并且可有效地保存青贮料中的营养成份,牧草青贮料的稳定性也较好,综合评定饲用价值较高。

Based on the progress of forage breeding, main characteristics of forage breeding in China is generalized.

针对国内牧草育种研究的现状,总结了国内牧草育种研究的主要特点。

The result indicated that (1) During 10 years, the number of unused land and grassplot was decreased, the other types of use land were increased;(2) The absolute index of land structure variation in Aksu area during 10 years was 8, among which the annual change of garden land and traffic land was great, the annual change of grassplot and unused land was small;(3) The relative change of introduced single type of land use indicated that there was significant regional difference in the change of land use in Aksu area.

结果表明:(1)在10年尺度上土地利用总体动态特征是未利用地和牧草地减少,其它土地利用类型增加;(2)10年间阿克苏地区土地结构变化绝对指数为8,其中:园地,交通用地的年变化率较大,牧草地、未利用地的年变化率较小;(3)引入的单一土地利用类型相对变化率,反映出阿克苏地区土地利用变化存在明显区域差异。

The results indicated that the concentration of N and Ca in legume forages were greater than that of grass forages.

结果表明,豆科牧草氮和钙的浓度显著高于禾本科牧草

Both of these two forages possess the merits of long green-fodder providing period, rapid recovering capacity after cutting, may serve as major cropping varieties for pisciculture in the mountain areas.

23A×N51年鲜草产量达160294.2kg/hm^2、豆科牧草品种印度豇豆Vigna sinensis年鲜草产量达92093.8kg/hm^2,二者的供草期长、刈割性能好,可以作为山区鱼用牧草当家品种。

And effects of different culture medium s on nutritional value and contents of heavy metals in Pleurotus taber-regium s sclerotium were studied in order to realize the feasibility of the scheme that grasses were used to cultivate edible fungi and its meaning.

以豆科牧草圆叶决明料、木屑料、棉籽壳料以及木屑+棉籽壳料栽培虎奶菇,研究不同培养料对虎奶菇菌核营养价值以及重金属含量的影响,以明确牧草作为培养料栽培虎奶菇的可行性及其重要意义。

This paper uses data on grass growth and meteorological factors to analyze the impacts of climate change on pasture growth in subalpine meadows.

利用亚高山草甸类草地牧草生长发育定位观测资料和对应气象观测资料,分析气候变化对牧草生长发育的影响。

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