Soil properties and landscape factors affecting maize yield under wet spring conditions in eastern Canada

Purpose – Church giving and attendance are two important indicators of church health and performance. In the literature, they are usually understood to be simultaneously determined. The purpose of this paper is to estimate if there a sustainable church congregation size using Wintrobe’s (1998) dictatorship model. The authors want to examine the impact of youth and adult ministry as well. Design/methodology/approach – Using the data collected from among Canadian Baptist churches in Eastern Canada, this study investigates the factors affecting the level of the two indicators by the panel-instrumental variable technique. Applying Wintrobe’s (1998) political economy model on dictatorship, the equilibrium level of worship attendance and giving is predicted. Findings – Through various simulation exercises, the actual church congregation sizes is approximately 50 percent of the predicted value, implying inefficiency and misallocation of church resources. The paper concludes with insights on effective ways church leaders can allocate scarce resources to promote growth within churches. Originality/value – The authors are the only researchers getting the permission from the Atlantic Canada Baptist Convention to use their mega data set on church giving and congregation sizes as per the authors’ knowledge. The authors are also applying a theoretical model on dictatorship to religious/not for profits organizations.

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Local and landscape factors affecting communities of plants and diurnal Lepidoptera in black coal spoil heaps: Implications for restoration management

Ecological Engineering ◽

10.1016/j.ecoleng.2013.04.024 ◽

2013 ◽

Vol 57 ◽

pp. 252-260 ◽

Cited By ~ 29

Author(s):

Robert Tropek ◽

Martin Hejda ◽

Tomas Kadlec ◽

Lukas Spitzer

Keyword(s):

Black Coal ◽

Factors Affecting ◽

Restoration Management ◽

Landscape Factors ◽

Spoil Heaps

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Maize Production and Soil Properties Change in Alley Cropping System at Different Nitrogen Levels

The Agriculturists ◽

10.3329/agric.v7i1.5252 ◽

2010 ◽

pp. 41-49

Author(s):

Md Abiar Rahman ◽

Md Giashuddin Miah ◽

Hisashi Yahata

Keyword(s):

Soil Properties ◽

Alley Cropping ◽

Cropping System ◽

Woody Species ◽

Maize Yield ◽

Similar Amount ◽

Maize Production ◽

Total N ◽

Organic C ◽

Nitrogen Levels

Productivity of maize and soil properties change under alley cropping system consisting of four woody species (Gliricidia sepium, Leucaena leucocephala, Cajanus cajan and Senna siamea) at different nitrogen levels (0, 25, 50, 75 and 100% of recommended rate) were studied in the floodplain ecosystem of Bangladesh. Comparative growth performance of four woody species after pruning showed that L. leucocephala attained the highest height, while C. cajan produced the maximum number of branches. Higher and almost similar amount of pruned materials (PM) were obtained from S. siamea, G. sepium and C. cajan species. In general, maize yield increased with the increase in N level irrespective of added PM. However, 100% N plus PM, 75% N plus PM and 100% N without PM (control) produced similar yields. The grain yield of maize obtained from G. sepium alley was 2.82, 4.13 and 5.81% higher over those of L. leucocephala, C. cajan and S. siamea, respectively. Across the alley, only one row of maize in the vicinity of the woody species was affected significantly. There was an increasing trend in soil properties in terms of organic C, total N and CEC in alley cropping treatments especially in G. sepium and L. leucocephala alleys compared to the initial and control soils. Therefore, one fourth chemical N fertilizer can be saved without significant yield loss in maize production in alley cropping system.

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Corralling, planting density, and N fertilizer rate effect on soil properties, weed diversity, and maize yield

Agroecology and Sustainable Food Systems ◽

10.1080/21683565.2018.1516264 ◽

2018 ◽

Vol 43 (3) ◽

pp. 243-260

Author(s):

Nurudeen Abdul Rahman ◽

Asamoah Larbi ◽

Andrews Opoku ◽

Francis Marthy Tetteh ◽

Irmgard Hoeschle-Zeledon

Keyword(s):

Soil Properties ◽

Maize Yield ◽

Rate Effect ◽

N Fertilizer ◽

Planting Density ◽

Fertilizer Rate ◽

Weed Diversity ◽

N Fertilizer Rate

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Impacts of wildfire and landscape factors on organic soil properties in Arctic tussock tundra

Environmental Research Letters ◽

10.1088/1748-9326/ac1192 ◽

2021 ◽

Author(s):

Jiaying He ◽

Dong Chen ◽

Liza Jenkins ◽

Tatiana V Loboda

Keyword(s):

Soil Properties ◽

Organic Soil ◽

Tussock Tundra ◽

Landscape Factors

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Spatial and temporal variability in chemical properties of a podzolic B horizon of an old-growth maple forest

Canadian Journal of Soil Science ◽

10.4141/cjss95-049 ◽

1995 ◽

Vol 75 (3) ◽

pp. 343-348 ◽

Cited By ~ 3

Author(s):

Christian Godbout ◽

Jean-Louis Brown

Keyword(s):

Soil Properties ◽

Chemical Properties ◽

Spatial And Temporal Variability ◽

Eastern Canada ◽

Old Growth ◽

Total N ◽

Organic C ◽

Exchangeable Ca ◽

The Difference ◽

Soil Changes

A Podzolic soil from an old-growth maple hardwood forest in eastern Canada was systematically sampled from a 16.5-m-long trench in 1975. In 1986, the upper 10 cm of the B horizon was resampled from two sampling lines located on each side and parallel to the 1975 trench, one at a distance of 1 m downhill and the other at a distance of 4 m uphill. Total N, organic C, pH, and exchangeable Ca, Mg and K were measured. The objectives were to evaluate the change in the chemical status of the B horizon from 1975 to 1986 and to characterize the spatial variability of the horizon. No significant change was found in the soil chemical properties tested during this 11-yr period. No significant autocorrelation was observed between soil samples 60 cm apart, except for the downhill sampling line, which was located 1 m from the trench. For most properties, the magnitude of the difference between two soil sampling units was not proportional to the distance separating them over the range of 0.6–4.2 m. Except for pH, a difference in soil properties of more than 30% was observed in 37–56% of sample pairs 60 cm apart. Resampling near (1 m) an old soil pit may not be valid because of possible local modifications of soil properties created by the pit, even when it is filled in. Key words: Podzol, soil variability, acidic deposition, soil changes

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Effect of Farmers` Management Practices on Soil Properties and Maize Yield

Journal of Agronomy ◽

10.3923/ja.2005.293.299 ◽

2005 ◽

Vol 4 (4) ◽

pp. 293-299 ◽

Cited By ~ 2

Author(s):

I.M. Tabu . ◽

R.K. Obura . ◽

A. Bationo . ◽

L. Nakhone .

Keyword(s):

Soil Properties ◽

Management Practices ◽

Maize Yield

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Local and landscape factors affecting tadpole diversity in subtropical Atlantic Forest streams

Austral Ecology ◽

10.1111/aec.12775 ◽

2019 ◽

Vol 44 (8) ◽

pp. 1311-1321

Author(s):

Maria Aparecida Cristo Anciutti ◽

Veluma Ialú Molinari De Bastiani ◽

Jacir Dal Magro ◽

Fabio Luiz Carasek ◽

Ronei Baldissera ◽

...

Keyword(s):

Atlantic Forest ◽

Factors Affecting ◽

Landscape Factors ◽

Forest Streams

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Ecological and Landscape Factors Affecting the Spread of European Mistletoe (Viscum album L.) in Urban Areas (A Case Study of the Kaliningrad City, Russia)

Plants ◽

10.3390/plants9030394 ◽

2020 ◽

Vol 9 (3) ◽

pp. 394

Author(s):

Liubov Skrypnik ◽

Pavel Maslennikov ◽

Pavel Feduraev ◽

Artem Pungin ◽

Nikolay Belov

Keyword(s):

Urban Areas ◽

Principal Component ◽

Viscum Album ◽

Populus Nigra ◽

Factors Affecting ◽

Relative Air Humidity ◽

Urban Territories ◽

Green Zone ◽

Landscape Factors ◽

Urban Conditions

Green spaces are very important for an urban environment. Trees in cities develop under more stressful conditions and are, therefore, more susceptible to parasite including mistletoe infestation. The aim of this study was to investigate the ecological, microclimatic, and landscape factors causing the spread of European mistletoe (Viscum album L.) in urban conditions. The most numerous hosts of mistletoe were Tilia cordata (24.4%), Acer platanoides (22.7%), and Populus nigra (16.7%). On average, there were more than 10 mistletoe bushes per tree. The mass mistletoe infestations (more than 50 bushes per the tree) were detected for Populus × berolinensis, Populus nigra, and Acer saccharinum. The largest number of infected trees was detected in the green zone (city parks), historical housing estates, and green zone along water bodies. Based on the results of principal component analysis (PCA), the main factors causing the spread of mistletoe on the urban territories are trees’ age and relative air humidity. The factors reflecting environmental pollution (the content of heavy metals in the soil and the concentration of nitrogen dioxide in the air) did not statistically affect the mistletoe distribution in the study area. However, this result may be due to the heterogeneity of other parameters in the studied areas. Therefore, additional research is required to more accurately interpret the data on the relationship between environmental pollutions and distribution of mistletoe infestation of trees in urban areas.

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