搜索结果: 1-11 共查到“草原学 Production”相关记录11条 . 查询时间(0.171 秒)
Effects of Increased Nitrogen Deposition and Precipitation on Seed and Seedling Production of Potentilla tanacetifolia in a Temperate Steppe Ecosystem
Increased Nitrogen Deposition Precipitation Seed and Seedling Production of Potentilla tanacetifolia Temperate Steppe Ecosystem
2015/2/5
Background: The responses of plant seeds and seedlings to changing atmospheric nitrogen (N) deposition and precipitation regimes determine plant population dynamics and community composition under glo...
Can plant lit ter af fect net prima r y production of a typical stepp e in Inner Mongolia?
Growing degree-days Leymus chin ensis Litter addition Litter removal Soil moisture Stipa grandis
2015/2/4
Question: Litter (dead leaves or stems) affects production by conserving soil moisture. However, that role is not clear for grasslands where most precipitation falls during the growing season when the...
Pyrenean meadows in Natura 2000 network: grass production and plant biodiversity conservation
botanical composition Shannon index pastoral value
2014/10/23
In semi-natural mountain meadows, yield and forage quality must be reconciled with plant biodiversity conservation. This study was performed to analyze the relationships between these three parameters...
Determination of Nutrient Contents and In vitro Gas Production Values of Some Legume Forages Grown in the Harran Plain Saline Soils
In vitro Gas Production Glycophyte Forages Legume sp. Relative Feed Value Salt Stress
2016/5/16
The aim of this study was to determine the nutritive value of some legume species in salt-affected soils of South-East Anatolian region using chemical composition and in vitro gas production kinetics....
Changes in Milk Production and Metabolic Parameters by Feeding Lactating Cows Based on Different Ratios of Corn Silage: Alfalfa Hay with Addition of Extruded Soybeans
Alfalfa hay Extruded Soybean Milk Yield Fatty Acid
2016/5/6
The objective of this study was to investigate the effects of different ratios of corn silage (CS): alfalfa hay (AH), and extruded soybeans (ESB) on milk yield, milk composition, blood metabolites, an...
Influence of stocking rate on herbage production, steers livemass gain and carcass price on semi-arid sweet bushveld in Southern Botswana
Semi-arid sweet bushveld grazing herbage yield hectares per livestock stocking rate
2009/3/4
The influence of stocking rate on vegetation and animal performance was investigated over a period of 15 years in the Semi-arid Sweet Bushveld of Southern Botswana. The objective of the study was to...
Production Potential of a Natural Pasture Compared to a Wheat Pasture, Both Grazed by Lactating Goats under Mediterranean Climate Conditions
Pasture type pasture yield hay intake milk yield goat
2009/1/7
The aim of this study was to extend the grazing period using a wheat pasture that produced high quality forage, and to compare the productivity of natural and wheat pastures for grazing goats during ...
Use of In vitro Gas Production Technique to Investigate Interactions between Rice Straw, Wheat Straw, Maize Stover and Alfalfa or Clover
Interactive Effect Straw Legume Hay In vitro Gas Production
2016/4/28
Measurement of gas produced during in vitro fermentation was used to investigate the fermentation characteristics and interactions of rice straw, wheat straw or maize stover mixed with alfalfa or clov...
Grassland for agriculture and nature conservation: production, quality and multi-functionality
Grassland agriculture nature conservation production, quality and multi-functionality
2010/1/14
European grasslands encompass a wide range of habitats that vary greatly in terms of their management, agricultural productivity, socio-economic value and nature conservation status, reflecting local ...
Sward and milk production response to early turnout of dairy cows to pasture in Finland
dairy cows Festuca pratensis grazing meadow fescue milk production Phleum pratense timothy
2010/8/13
The timing of turnout is an important factor affecting the grazing management of dairy cows. However,its consequences are not well known in the short grazing season of northern Europe. Thus, the effec...
Effect of Partial Replacement of Green Grass by Urea Treated Rice Straw in Winter on Milk Production of Crossbred Lactating Cows
Crossbred Cows Green Grass Urea Treated Rice Straw Milk Production Body Weight Change Feed Conversion
2016/4/8
Fresh elephant grass was replaced by urea treated rice straw (UTRS) to evaluate the effects on milk production of crossed lactating cows. A total of 16 crossbred F1 cows (Holstein Friesian Vi...