Long-term control of aspen poplar and western snowberry with dicamba and 2,4-D

1991 ◽  
Vol 71 (4) ◽  
pp. 1121-1131
Author(s):  
G. G. Bowes
Keyword(s):  
Key Words ◽  
Populus Tremuloides ◽  
The Other ◽  
Single Application ◽  
Forage Production ◽  
Grass Production

Seven- and nine-year studies were conducted in northeastern Saskatchewan to compare the long-term control of aspen poplar (Populus tremuloides Michx.) and western snowberry (Symphoricarpos occidentalis Hook.) following single and multiple applications of 2,4-D ester (2,4-DE) or amine (2,4-DA) mixed with dicamba. The area was bulldozed free of trees and was subsequently invaded by aspen poplar and western snowberry regrowth, native forbs and grasses. Herbicides were applied to 2- and 4-yr-old regrowth of aspen poplar, growing with a small uniform stand of western snowberry. A single application of dicamba with either 2,4-DE or 2,4-DA applied at 1.5 + 2.2 kg (a.i.) ha−1 was as effective as two or three consecutive yearly applications for the control of aspen poplar. In one experiment, two consecutive applications of dicamba + 2,4-D controlled western snowberry whereas in the other experiment a single application was adequate. The highest forage production of grasses and forbs occurred following dicamba + 2,4-DE treatments. Following a single dicamba + 2,4-DE application, grass production, averaged over 7 and 9 yr, increased from 38 to 98 g m−2 and from 31 to 83 g m−2, whereas forb production decreased from 48 to 25 g m−2 and from 58 to 48 g m−2, respectively. Key words: Aspen poplar, Populus tremuloides, western snowberry, Symphoricarpos occidentalis, 2,4-D dicamba

Improved forage production following western snowberry (Symphoricarpos occidentalis Hook.) control with metsulfuron methyl

1995 ◽  
Vol 75 (4) ◽  
pp. 935-940 ◽  
Author(s):  
G. G. Bowes ◽  
D. T. Spurr
Keyword(s):  
Key Words ◽  
Canopy Cover ◽  
Native Grasses ◽  
Physical Barrier ◽  
Forage Production ◽  
Metsulfuron Methyl ◽  
Grass Production ◽  
Low Levels ◽  
Better Than

Two 6-yr studies were conducted in southeastern Saskatchewan to evaluate 2,4-D, Metsulfuron methyl (Metsulfuron) and a mixture of 2,4-D + Metsulfuron for the long-term control of western snowberry. Western snowberry is a small shrub that grows in dense stands in rangelands and pastures and acts as a physical barrier to grazing. At the study site, the shrub was growing with native grasses and forbs. Metsulfuron applied at 15 g a.i. ha−1 effectively controlled western snowberry for 6 yr. Control with Metsulfuron was better than with 2,4-D because Metsulfuron killed the crown of the shrub. Control was not improved when 2,4-D was added to Metsulfuron, and at low levels of Metsulfuron the presence of 2,4-D in the mixture rendered Metsulfuron less effective, resulting in a higher canopy cover. Grass production averaged over years and experiments was 788 kg ha−1 for the check and increased to 1328 kg ha−1 after Metsulfuron was applied at 15 g ha−1. Forb production was not affected by the treatments. Key words: Western snowberry, Symphoricarpos occidentalis, metsulfuron methyl, 2,4-D

scholarly journals The features landscape structure by the national park Ugra (Kaluga region)

2014 ◽  
pp. 168-172
Author(s):  
Ilariya Kashutyna ◽  
Olga Stepochkyna
Keyword(s):  
Key Words ◽  
Landscape Structure ◽  
National Park ◽  
Soil Cover ◽  
The Other ◽  
Long Term Conditions ◽  
Parent Rocks ◽  
Kaluga Region ◽  
The One

Landscape structure is considered forests of the national park «Ugra» Kaluga region. Are identified relationships between location, which is determined by the shape mesorelief and composition of the top layer of soil-forming rocks - on the one hand, and long-term conditions of vegetation and soil - on the other. Key words: structure of forest landscapes, location, long-term condition, mesorelief, parent rocks, vegetation, soil cover.

scholarly journals THE IMPACT OF THE ACQUISITION OF THE LETTERS IN A SYSTEMATIC LITERACY ON WRITING SKILLS

2014 ◽  
Vol 61 (1) ◽  
pp. 98-104
Author(s):  
Marija Ropič
Keyword(s):  
Key Words ◽  
Prior Knowledge ◽  
Writing Skills ◽  
The Other ◽  
Simultaneous Treatment ◽  
And Gender ◽  
The Impact ◽  
Initial Literacy

Learning letters is associated with a long-term learning. Two basic models are present in obtaining letters in a systematic literacy in Slovenia and abroad. One represents a separate acquisition of the uppercase and lowercase printed letters (sequentially) and the other deals with letters simultaneously. In practice, teachers often asked themselves, especially in times of reforms in literacy, which model of the acquisition of the letters in initial literacy is more efficient. The research focused on the effect of the two most frequently chosen procedures for acquiring letters of structured literacy in Slovenia, namely the simultaneous treatment of the uppercase and lowercase printed letters (lowercase cursive letters and upper-case cursive letters) and consecutive treatment of letters (uppercase printed letters, lowercase printed letters, lowercase cursive letters, and at last, uppercase printed letters). Furthermore, the focus of the research was on the impact of gender on the ability to write. The incidence of errors was observed in terms of selected procedures for acquiring the letters in groups and gender. At the same time, the effect of consolidation of writing individual letters (uppercase and lowercase printed letters in 2nd class, and lowercase and uppercase cursive letters in 3rd class), was examined. Key words: literacy, the process of acquiring letters, 2nd class, 3rd class, prior knowledge, writing skills.

scholarly journals Regeneration of aspen following partial and strip understory protection harvest in boreal mixedwood forests

2009 ◽  
Vol 85 (4) ◽  
pp. 631-638 ◽  
Author(s):  
Alison D Lennie ◽  
Simon M Landhäusser ◽  
Victor J Lieffers ◽  
Derek Sidders
Keyword(s):  
Forest Management ◽  
Key Words ◽  
Populus Tremuloides ◽  
Picea Glauca ◽  
Basal Area ◽  
White Spruce ◽  
Mixedwood Forests ◽  
Partial Harvest ◽  
Second Year

Trembling aspen regeneration was studied in 2 types of partial harvest systems designed to harvest mature aspen but protect immature spruce and encourage natural aspen regeneration. Two partial harvest systems, where the residual aspen was either left in strips or was dispersed uniformly, were compared to traditional clearcuts. After the first and second year since harvest, aspen sucker density and growth was similar between the 2 partial harvests, but was much lower than in the clearcuts. However, in the partial cuts the regeneration density was very much dependent on the location relative to residual trees. The density of regeneration was inversely related to the basal area of residual aspen; however, sucker height was inversely related to the basal area of the residual spruce. Although there were adequate numbers of suckers after partial harvest, their viability and contribution to the long-term productivity of these mixedwood stands is not clear. Key words: silvicultural systems, forest management, residual canopy, white spruce, Populus tremuloides, Picea glauca, traffic

Radioimmunotherapy for treatment of acute myeloid leukaemia and myelodysplastic syndrome

2005 ◽  
Vol 44 (03) ◽  
pp. 107-117
Author(s):  
R. G. Meyer ◽  
W. Herr ◽  
A. Helisch ◽  
P. Bartenstein ◽  
I. Buchmann
Keyword(s):  
Acute Myeloid Leukaemia ◽  
Myeloid Leukaemia ◽  
Primary Tumour ◽  
The Other ◽  
Haematopoietic Stem Cell ◽  
Other Hand ◽  
Primary Reduction ◽  
The One ◽  
Acute Myeloid

SummaryThe prognosis of patients with acute myeloid leukaemia (AML) has improved considerably by introduction of aggressive consolidation chemotherapy and haematopoietic stem cell transplantation (SCT). Nevertheless, only 20-30% of patients with AML achieve long-term diseasefree survival after SCT. The most common cause of treatment failure is relapse. Additionally, mortality rates are significantly increased by therapy-related causes such as toxicity of chemotherapy and complications of SCT. Including radioimmunotherapies in the treatment of AML and myelodyplastic syndrome (MDS) allows for the achievement of a pronounced antileukaemic effect for the reduction of relapse rates on the one hand. On the other hand, no increase of acute toxicity and later complications should be induced. These effects are important for the primary reduction of tumour cells as well as for the myeloablative conditioning before SCT.This paper provides a systematic and critical review of the currently used radionuclides and immunoconjugates for the treatment of AML and MDS and summarizes the literature on primary tumour cell reductive radioimmunotherapies on the one hand and conditioning radioimmunotherapies before SCT on the other hand.

Hidden “holes” in the capital of banks and the supply of credit to the real sector of economy

2018 ◽  
pp. 49-68 ◽  
Author(s):  
M. E. Mamonov
Keyword(s):  
Credit Risk ◽  
The Other ◽  
Real Sector ◽  
Capital Management ◽  
Loan Loss ◽  
Short Term ◽  
The Real ◽  
Ex Post ◽  
The One

Our analysis documents that the existence of hidden “holes” in the capital of not yet failed banks - while creating intertemporal pressure on the actual level of capital - leads to changing of maturity of loans supplied rather than to contracting of their volume. Long-term loans decrease, whereas short-term loans rise - and, what is most remarkably, by approximately the same amounts. Standardly, the higher the maturity of loans the higher the credit risk and, thus, the more loan loss reserves (LLP) banks are forced to create, increasing the pressure on capital. Banks that already hide “holes” in the capital, but have not yet faced with license withdrawal, must possess strong incentives to shorten the maturity of supplied loans. On the one hand, it raises the turnovers of LLP and facilitates the flexibility of capital management; on the other hand, it allows increasing the speed of shifting of attracted deposits to loans to related parties in domestic or foreign jurisdictions. This enlarges the potential size of ex post revealed “hole” in the capital and, therefore, allows us to assume that not every loan might be viewed as a good for the economy: excessive short-term and insufficient long-term loans can produce the source for future losses.

Interrelationships between municipal spatial policy strategy and airport operation and development. Lodz Airport case study

2018 ◽  
Vol 59 (1) ◽  
pp. 65-79
Author(s):  
Katarzyna Nikorowicz-Zatorska
Keyword(s):  
Land Use ◽  
Urban Planning ◽  
Cultural Development ◽  
The Other ◽  
Local Authorities ◽  
Spatial Management ◽  
The One ◽  
Surrounding Areas

Abstract The present paper focuses on spatial management regulations in order to carry out investment in the field of airport facilities. The construction, upgrades, and maintenance of airports falls within the area of responsibility of local authorities. This task poses a great challenge in terms of organisation and finances. On the one hand, an active airport is a municipal landmark and drives local economic, social and cultural development, and on the other, the scale of investment often exceeds the capabilities of local authorities. The immediate environment of the airport determines its final use and prosperity. The objective of the paper is to review legislation that affects airports and the surrounding communities. The process of urban planning in Lodz and surrounding areas will be presented as a background to the problem of land use management in the vicinity of the airport. This paper seeks to address the following questions: if and how airports have affected urban planning in Lodz, does the land use around the airport prevent the development of Lodz Airport, and how has the situation changed over the time? It can be assumed that as a result of lack of experience, land resources and size of investments on one hand and legislative dissonance and peculiar practices on the other, aviation infrastructure in Lodz is designed to meet temporary needs and is characterised by achieving short-term goals. Cyclical problems are solved in an intermittent manner and involve all the municipal resources, so there’s little left to secure long-term investments.

Planning a system of permanent sample plots for integrated long-term studies of community-based forest management

1970 ◽  
Vol 16 (2) ◽  
pp. 3-11 ◽  
Author(s):  
H Meilby ◽  
L Puri ◽  
M Christensen ◽  
S Rayamajhi
Keyword(s):  
Forest Management ◽  
Key Words ◽  
Research Note ◽  
Managed Forests ◽  
Community Based ◽  
Permanent Sample Plots ◽  
Long Term Studies

To monitor the development of four community-managed forests, networks of permanent sample plots were established in 2005 at sites in Chitwan, Kaski and Mustang Districts, Nepal. This research note documents the procedures used when preparing for establishment of the plot networks, evaluates the applied stratification of the forest on the basis of data gathered in pilot surveys conducted in the early 2005, and provides a discussion on the implications of the choices made. Key words: Community-managed forests; permanent sample plots; stratification; allocation; estimates Banko Janakari Vol.16(2) 2006 pp.3-11

Pengaruh Financial Leverage terhadap Financial Performance pada Sektor Industri Manufaktur yang Terdaftar di Bursa Efek Indonesia (BEI) Periode 2015

2018 ◽  
Vol 9 (2) ◽  
pp. 33-48
Author(s):  
Rivaldy Februansyah ◽  
Ika Yanuarti
Keyword(s):  
Financial Performance ◽  
Manufacturing Sector ◽  
Linear Regression Analysis ◽  
The Other ◽  
Debt Ratio ◽  
Financial Leverage ◽  
Coverage Ratio ◽  
Equity Ratio ◽  
Internal Fund

The manufacturing sector is one of the most dominant economic sectors in in achieving growth and development in Indonesia. It needs adequate fund to develop its business. The sources of fund are from internal and external. The firm usually optimized the usage of internal fund prior to external fund. The internal fund comes from equity while the external funds are from debt and stock. Debt is also known as financial leverage. There is a phenomenon that the usage of debt increased the firm’s financial performance, since interest on debt could lower the payment of tax (tax shield). On the other side, the higher the financial leverage the higher the risk of bankruptcy. This research aims to analyze whether financial leverage has an influence on financial performance in the manufacturing sector listed on the Indonesia Stock Exchange (IDX) period 2015. The method of analysis used in this research is multiple linear regression analysis. This research uses quantitative approach with a sample of 140 listed companies in the manufacturing industry. The firm’s financial performance could be measured by the financial ratios. Financial Leverage ratios are ratios that measure the ability of firm’s to meet its financial obligation and the level of usage debt as compared to equity. There are several financial leverage ratios that used in this research, such as Debt Ratio (DR), Debt to Equity Ratio (DER), Interest Coverage Ratio (ICR), and Long Term Debt Ratio (LTDR). Financial performance indicates the ability of firm to generate profit and measured by Profitability Ratio. Return on Asset (ROA) is one of the Profitability Ratio. The statistical result shows that Debt Ratio (DR) negatively affect Return on Asset (ROA) and Interest Coverage Ratio (ICR) positively affect Return on Asset (ROA). Meanwhile, Debt to Equity Ratio (DER) and Long Term Debt Ratio (LTDR) did not affect Return on Asset (ROA). On the other hand, result shows that Debt Ratio (DR), Debt to Equity Ratio (DER), Interest Coverage Ratio (ICR), and Long Term Debt Ratio (LTDR) affect Return on Asset (ROA) simultaneously. Keywords: Financial Leverage, Debt Ratio (DR), Debt to Equity Ratio (DER), Interest Coverage Ratio (ICR), Long Term Debt Ratio (LTDR), Financial Performance, Return on Assets (ROA)

The effects of long-term vigorous endurance exercise on the coronary arteries

2019 ◽  
Vol 67 (2) ◽  
Keyword(s):  
Endurance Training ◽  
Coronary Atherosclerosis ◽  
Calcium Score ◽  
The Other ◽  
Disease Phenotype ◽  
Male Athletes ◽  
Artery Disease ◽  
Future Work ◽  
Summary Data

Moderate endurance training is known to improve cardiovascular risk factors, and prolongs life expectancy. On the other hand, there has been some discussion whether “too much” exercise might have a contrarious effect by accelerating coronary atherosclerosis. The goal of this review was to evaluate the current literature on the effects of long-term vigorous endurance training on the coronary vasculature. In summary, data point to an increased calcium score, and a higher burden of atherosclerotic plaque in male athletes compared to sedentary controls. However, the plaques found in athletes were more prone to be calcified. The pathogenesis and clinical relevance of this athlete coronary artery disease phenotype remains incompletely understood and represents an area of important future work.

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