搜索结果: 1-8 共查到“作物学 Age”相关记录8条 . 查询时间(0.203 秒)
The extent of increase in first calving age as a result of implementing various sexed semen breeding strategies
conception rate estrus detection rate
2014/10/23
A deterministic simulation was conducted to assess the effects of sexed semen utilization strategies on age at first calving (AFC). Four different strategies were implemented on dairy heifers: continu...
Effect of Seed Age, Size and Moisture Content on Seed Quality of Sorghum (Sorghum Bicolor. L. Moench)
Seed Age Size and Moisture Content Seed Quality Sorghum
2010/11/16
A set of laboratory and field experiments were conducted during 2005 to investigated the
influence of seed age, size and moisture content on seed quality attributes of sorghum cultivar Tabat. Simple ...
Effects of Age of Seed Corm on the Growth and Yield of Konjak Plants
Seed Corm Growth Yield Konjak Plants
2009/8/6
Effects of Age of Seed Corm on the Growth and Yield of Konjak Plants.
Variation of the Dark Respiration Rate of Tissues and Organs of Rice (Oryza sativa L.) with Differential Physiological Age and Causal Factors
Age Dark respiration Michaelis-Menten equation Nitrogen Carbohydrate Respiration
2009/7/31
Variation of the specific rate of dark respiration (mgCO2 g dry wt. -1h-1 measured at 29°C, Rs) with the age of the tissues and organs of rice cv. Suweon 258 and Nona Bokra, grown in the favorable fie...
Characteristics of Rooting and Leaf Emergence Rate, Early Growth and Heading Date of Rice Seedlings with Different Plant Age in Leaf Number
Early growth Heading date Leaf emergence rate Rice plant Rooting Seedling age in leaf number
2009/7/29
Eleven kinds of rice seedlings with different plant age in leaf unmber in the range 0-7.2 (counting the incomplete leaf as the first leaf), raised under the same condition, were grown in the phytotron...
Effects of Cultivar,Extent of Cumulative Chilling Exposure,Age of Rootstock and Sex on Growth of Spear in Asparagus Forcing Culture
Asparagus Cultivar rootstock
2009/7/14
A study was carried out to evaluate the effect of cultivar, extent of cumulative chilling exposure, age of rootstock and sex on growth of the spear in asparagus (Asparagus officinalis L.) forcing cult...
Effects of Plant Age on Development of Resistance to Snow Injury in Winter Barley
Barley Snow injury Resistance
2009/7/9
This study researched how the age of winter barley affects the plant’s resistance to snow injury. Two experiments were conducted for the study. The first experiment focused on the change in resistanc...
Age of population and the development of population ageing in the regions of the Czech Republic
regions of the czech republicpagepprocess of ageing of population factor analysis
2014/3/3
The process of ageing of the population is one of the negative demographic phenomena of the developed countries’ population. The basic reasons are thedecrease of the birth-rate and a longer lifespan o...