The mixed sown pasture of white clover and cocksfoot, which was the most typical grassland type on the Yun-Gui plateau, and the ideal beef cattle varieties such as shorthorn and cross-bred breed cattle by three components , which were adapted to be raised and grazed on the pasture in the south of China were studied as follows: Firstly, the basic data regarding pasture production, beef cattle production, grazing management and running management inside and outside of China were collected in flocks on the basis of collectivity optimization for beef cattle grazing system on sown pasture and a whole set of system of indicator management for beef cattle production had been studied on the whole aspects in order to manage every factor affecting on grazing system in fix quantity.

在對人工草地肉牛放牧系統(tǒng)進行總體優(yōu)化的基礎上国产日韩制服丝袜第一页，收集大量國內(nèi)外有關牧草生產(chǎn)、肉牛生產(chǎn)、放牧管理和經(jīng)營管理等方面的大量基礎資料，從系統(tǒng)角度研究出一套完整的肉牛生產(chǎn)的指標管理體系国产玩弄老太婆，以對影響放牧系統(tǒng)的各個因素進行定量化管理；2呻吟av影院。

The study, which aimed at 100 heads of breeding cattle marketed per annual and which object was the grazing for the flock of shorthorn beef cattle on sown pasture in the ZYCBC system, indicated that by making full use of pasture growth quantity and nutrient substance on sown pasture and supplementing mixed concentrate in late of breeding cow pregnancy, the number of beef cattle grazed in the while year had get to 375 heads, for the forage was budgeted and dynamic balance between the forage and beef cattle was gained and kept. It needed 642. 67t DM of forage annually in the system, 764t DM of which was provided by the sown pasture and 339t DM of which by forage crop land.

以ZYCBC系統(tǒng)短角肉牛群人工草地放牧飼養(yǎng)為對象操操操b，以年出欄100頭種牛為目標，進行飼草預算和草畜動態(tài)平衡男女无遮挡毛片视频免费，充分利用人工草地的牧草生長量和營養(yǎng)物質(zhì)免费看一级A片在线看手机，母牛懷孕后期適當補飼混合精料，全年牛群飼養(yǎng)量達375頭亚洲精品性爱视频，系統(tǒng)全年共需飼草642.67tDM国内自拍和偷拍，其中人工草地提供764tDM，飼料地提供339tDM又污又色又吃胸的视频。

On the basis of clean cultivated Pasture of Perennial Lucerne and mixture pasture of perennial awnless brome and Lucerne, the effect of Pasture species and mixing method on Pasture drying rate was analyzed.

用多年生的紫花苜蓿單播草地牧草和多年生無芒雀麥與紫花苜蓿的混播草地牧草91.com麻豆，研究牧草種類及調(diào)制方法對牧草干燥速度的影響。

pasture-bars：牧場圍欄

871passivea. 被動的,消極的; n. 被動性 | 872pasture-bars牧場圍欄 | 873pathetica. 悲哀的,可憐的,感傷的