搜索结果: 1-15 共查到“农学 N-fertilization”相关记录160条 . 查询时间(0.26 秒)
Influence of stand thinning and repeated fertilization on plant community abundance and diversity in young lodgepole pine stands: 15-year results
Biodiversity British Columbia Fertilization Forest management Lodgepole pine Plant productivity
2024/1/19
Enhanced forest productivity may provide the supply of wood fiber to keep pace with increasing global demand for wood products and the growing constraints on the harvestable land base imposed by measu...
Functional divergence of two duplicated Fertilization Independent Endosperm genes in rice with respect to seed development
Fertilization Endosperm genes rice
2023/8/9
Fertilization Independent Endosperm(FIE) is an essential member of Polycomb Repressive Complex 2(PRC2) that plays important roles in the developmental regulation of plants. OsFIE1 and OsFIE2 are two F...
Shifts in Foliage Biomass and Its Vertical Distribution in Response to Operational Nitrogen Fertilization of Douglas-Fir in Western Oregon
Douglas-fir nitrogen fertilization foliage distribution allometry biomass
2024/2/4
Nitrogen (N) fertilization is a commonly applied silvicultural treatment in intensively managed coast Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco var. menziesii) plantations. Field trials were e...
Investigating the variation of diameter and height of Populus sp. clone I-214 under various fertilization treatments in northern Greece – a case study
biomass production Entisols fertilizers general linear model multivariate procedure young poplar trees
2017/4/6
The study of young poplar tree characteristics like initial diameter and height as well as mineral fertilization that promotes the rapid growth of trees for biomass production was the aim of this rese...
Effects of different stripping methods of female and activation medium on fertilization success in northern pike (Esox lucius)
air stripping fish eggs sperm Woynarovich solution
2016/11/11
In this study, the quality of northern pike eggs collected by the traditional method (hand stripping) and the pneumatic method (air stripping) was compared. Additionally, different activation solution...
Impact of fertilization strategies on the growth of lavender and nitrates leaching to environment
container-grown plants Lavandula angustifolia nursery production
2016/6/3
Horticultural industry significantly affects the environment. In particular, large amounts of irrigation water and fertilizers required for intensive plant production can result in an increased nutrie...
Fine root development and mycorrhization in Norway spruce stands one year after fertilization with potassium sulphate and wood ash
forest fertilization fine root ectomycorrhizal fungi
2016/1/29
We compared the effects of forest fertilization with wood ash and potassium (K) sulphate on growth and mycorrhizal colonization of fine roots and on other soil microorganisms in Norway spruce (Picea a...
Rapamycin Influences the Efficiency of In vitro Fertilization and Development in the Mouse: A Role for Autophagic Activation
Vitrification Mouse Oocyte Rapamycin Development
2016/11/10
The mammalian target of rapamycin (mTOR) regulates cellular processes such as cell growth, metabolism, transcription, translation, and autophagy. Rapamycin is a selective inhibitor of mTOR, and induce...
Effect of repeated fertilization on stem growth in old stands of Pinus sylvestris in South East Norway
nitrogen Scots pine tree ring widths
2015/5/18
We studied effects of repeated nitrogen applications on the stem growth of mature Scots pine at four sites
with the yield potential of around 3‒4.5 m3·ha–1·yr–1. Treatments included control (0...
Reproductive Performance of Holstein Dairy Cows Grazing in Dry-summer Subtropical Climatic Conditions: Effect of Heat Stress and Heat Shock on Meiotic Competence and In vitro Fertilization
Artificial Insemination Heat Shock Oocyte Meiotic Maturation Maternal Heat Stress
2016/5/18
The present study was designed to evaluate how environmental factors in a dry-summer subtropical climate in Terceira-Azores (situated in the North Atlantic Ocean: 38° 43′ N 27° 12′ W) can affect dairy...
Effect of acrosome reaction progress in frozen-thawed boar spermatozoa on the efficiency of in vitro oocyte fertilization
pig cryopreserved sperm assessment
2015/4/7
A good functional status of cryopreserved boar spermatozoa is very important for successful fertilization of porcine oocytes and in vitro embryo production. The purpose of the study was to evaluate th...
Vitrification of immature bubaline cumulus oocyte complexes by the open-pulled straw and conventional straw methods and their subsequent in vitro fertilization
buffalo in vitro fertilization (IVF) oocytes
2015/3/17
The in vitro maturation (IVM), fertilization (IVF) and morphological changes in buffalo cumulus oocyte complexes (COCs) cryopreserved by ultra rapid freezing using conventional (CON) and open-pulled
...
Effect of Mg fertilization on yellowing disease of Norway spruce at higher elevations of the Šumava Mts., Czech Republic
Mg deficiency defoliation long-term effect
2015/3/3
Norway spruce yellowing and defoliation caused by Mg deficiency was frequently recorded on many sites
of the Šumava Mts. (Bohemian Forest Mts.) since 1980’s. A forest experiment aimed at invest...
Effect of repeated fertilization on stem growth in old stands of Pinus sylvestris in South East Norway
nitrogen Scots pine tree ring widths volume increment
2015/5/6
We studied effects of repeated applications of nitrogen on stem growth of mature Scots pine at four sites with yield potential around 3 - 4.5 m3 ha‑1 yr‑1. Treatments included control (0) ...
Reaction of Silver fir (Abies alba Mill.) plantation to fertilization
Silver fir site amelioration species composition reforestation apical dominance
2015/2/6
Silver fir as a domestic species is an important tree in our forests. Unfortunately it has suffered from serious dieback in Central Europe in the last decades. Reintroduction of Silver fir is not an e...