Effect of tillage and compost amendment on turfgrass establishment on a compacted sandy loam

2016 ◽  
Vol 72 (1) ◽  
pp. 55-64 ◽  
Author(s):  
C.J. Schmid ◽  
J.A. Murphy ◽  
S. Murphy
Keyword(s):  
Sandy Loam ◽  
Compost Amendment ◽  
Turfgrass Establishment

scholarly journals Salinity and Compost Amendment Impact on AmidaseActivity in Rhizoshere of Tomato and Beanplants

2018 ◽  
Vol 7 (2) ◽  
pp. 1-13
Author(s):  
Radhi K.Al-Rashidi ◽  
Luma S.J.Al-Taweel
Keyword(s):  
Enzyme Activity ◽  
Sandy Loam ◽  
Vertical Direction ◽  
Extracellular Enzyme ◽  
Randomized Design ◽  
Compost Amendment ◽  
Development Direction ◽  
Salinity Levels ◽  
Developing Directions ◽  
Loam Soil

The aim of this study was to disclosed the activity of extracellular enzyme (amidase) in vertical and horizontal developing directions of rhizosphere (0-5 and 5-10) cm . The plots experiment was performed in Agriculture college / Al-Qadissiyah University for the spring season 2013 ,the sandy loam soil was used and cultivate Tomato (LycopersiconEsculentum mill) and Bean (Phaseolus Vulgaris L.) plants under salinity levels (without salinity , 6 , 8 and 10) dS.m-1 and compost levels (0,10 and 20)T.h-1 , and their interactions completely randomized design (CRD) was used with six replicates, and the means of treatments were compared by L.S.D test 5% level . The results were summarized as : The enzyme activity were increased with increasing of the adding compost level 20Ton.h-1 and its interactions with salinity levels . The enzymes activity were varied in rhizosphere development directions and the plants were differed in the site of highest activity , the enzyme activity in horizontal rhizosphere development direction was higher than the vertical direction . The enzyme activity in tomato rhizosphere was higher than bean rhizosphereinall rhizosphere vertical and horizontal directions . The high inhibitor percent of enzyme activity was at the level of 10 dS.m-1 salinity and the lowest was at the 6 dS.m-1. The inhibition percent were increased in vertical direction of rhizosphere developing (5-10)cm in tomato plant. The adding compost levels were varied by increasing or decreasing of enzyme activity according to rhizosphere development and it sites .

scholarly journals SURVEY OF FIELD EXPERIMENTS CONDUCTED TO ESTABLISH MEDICINAL CROPS IN QUEBEC

HortScience ◽  
1992 ◽  
Vol 27 (11) ◽  
pp. 1160d-1160
Author(s):  
Nicolas Tremblay ◽  
Marie-Hélène Michaud ◽  
René Crête ◽  
André Gosselin
Keyword(s):  
Field Experiments ◽  
Sandy Loam ◽  
Management Strategies ◽  
Planting Density ◽  
Thymus Vulgaris ◽  
Plastic Mulch ◽  
Natural Medicine ◽  
Angelica Archangelica ◽  
Compost Amendment ◽  
Implantation Techniques

With the increase in popularity of natural medicine there is an ever growing market for the production of medicinal plants. In the last decade, screening trials of a number of species were conducted. The species currently under study are: angelica (Angelica archangelica; biennial, roots harvested), thyme (Thymus vulgaris; perennial, shoot harvested), German chamomilla (Matricaria recutita; annual, flowers harvested), horehound (Marrubium vulgare; perennial, shoot harvested) and dandelion (Taraxacum officinale; considered as a biennial, roots harvested). In 1990 the species were grown on three soil types (clay-loam, sandy loam and histosol) with different fertilization and irrigation practices. In 1991 two distinct trials were undertaken. The first considered herbicide efficiency and planting density. The second dealt with «organic» management strategies. Depending on the species, treatments of compost amendment, plastic mulch and implantation techniques were compared.

Emissions of nitrous oxide and nitric oxide associated with the decomposition of arable crop residues on a sandy loam soil in Eastern England

Agronomie ◽  
2002 ◽  
Vol 22 (7-8) ◽  
pp. 731-738 ◽  
Author(s):  
Roland Harrison ◽  
Sharon Ellis ◽  
Roy Cross ◽  
James Harrison Hodgson
Keyword(s):  
Nitric Oxide ◽  
Nitrous Oxide ◽  
Crop Residues ◽  
Sandy Loam ◽  
Sandy Loam Soil ◽  
Arable Crop ◽  
Loam Soil

Effect of Bio and Organic Fertilizers on Pumpkin's (Cucurbita pepo L.) Leave Content of N, P, and K

2020 ◽  
Vol 10 (1) ◽  
pp. 241-245
Author(s):  
Ammar Hameed Madi ◽  
Jawad A. Kamal Al-Shibani
Keyword(s):  
Cucurbita Pepo ◽  
Sandy Loam ◽  
Block Design ◽  
Organic Fertilizers ◽  
Flowering Stage ◽  
College Of Agriculture ◽  
Significant Difference ◽  
Randomized Complete Block Design ◽  
Loam Soil ◽  
Four Levels

This study was conducted to investigate the effect of bacterial bio-fertilization A. chroococcum and P. putide and four levels of compost (0, 1, 2, 3) tons.h-1 on the leaves content of N.P.K elements. The experiment was carried out in one of the greenhouses of the College of Agriculture - University of Al-Qadisiyah during fall season 2018-2019. It designed in accordance with the Randomized Complete Block Design (RCBD) with three replicates in sandy loam soil. The means of treatments were compared with the least significant difference (LSD) at (5)% probability level. The results present that the treatments of A. chroococcum, P. putide and compost at (3) tons.kg-1 significantly increases the leaves content of K.P.K compared to all other treatments in the flowering stage (4.970, 0.5000, and 4.930) mg.kg-1, respectively. This treatment was followed by the effect of the treatment of A. chroococcum and compost at (3) tons.kg-1, which increases the values of all traits except the leaf content of (P). Bio-fertilizer with P. putide + A. chroococcum significantly increases the leaves' content of P.

INFLUENCE OF UNCONVENTIONAL FERTILIZERS ON MICROBIOLOGICAL ACTIVITY OF SODDY-PODZOLY SANDY SOIL

2020 ◽  
Vol 18 (4) ◽  
pp. 84-87
Author(s):  
Yu.V. Leonova ◽  
◽  
T.A. Spasskaya ◽  
Keyword(s):  
Sewage Sludge ◽  
Sandy Soil ◽  
Sandy Loam ◽  
Sandy Loam Soil ◽  
Microbiological Activity ◽  
Coffee Waste ◽  
Loam Soil

The change in the microbiological activity of sod-podzolic sandy loam soil when using coffee waste and sewage sludge as a fertilizer for oats in comparison with traditional fertilizers is considered. During the study, it was determined that the predominant groups were bacteria and actinomycetes. Bacilli and fungi are few in number. The introduction of sewage sludge and coffee waste into the sod-podzolic sandy loam soil at a dose of 10 t / ha increases the activity of the microflora of the sod-podzolic sandy loam soil, which increases the effective and potential fertility.

Influence of planting material size on Jerusalem artichoke yield during autumn planting

2020 ◽  
Author(s):  
L.D. Popova ◽  
◽  
I.N. Yudina
Keyword(s):  
Fractional Composition ◽  
Sandy Loam ◽  
Jerusalem Artichoke ◽  
Planting Material ◽  
The Cost

The results of the influence of the mass of planting tubers of Jerusalem artichoke on the size and fractional composition of the crop of tubers in the conditions of sod-podzolic sandy loam soils during autumn planting of tubers are presented. It was found that planting tubers weighing 80-100 g g provide a yield of 45 t/ha. With an increase in the mass of planting tubers, the cost of purchasing planting material increases sharply and profitability decreases. Planting small tubers leads to a decrease in yield.

Evaluation of Presswheels and Seed Coverers for Direct Seeding of Brassica

HortScience ◽  
1997 ◽  
Vol 32 (4) ◽  
pp. 599E-600
Author(s):  
Regina P. Bracy ◽  
Richard L. Parish
Keyword(s):  
Soil Moisture ◽  
Sandy Loam ◽  
Visual Observation ◽  
Mustard Seed ◽  
High Soil Moisture ◽  
Loam Soil ◽  
Direct Seeded ◽  
Plant Emergence ◽  
Moisture Conditions ◽  
Determine Effect

Improved stand establishment of direct-seeded crops has usually involved seed treatment and/or seed covers. Planters have been evaluated for seed/plant spacing uniformity, singulation, furrow openers, and presswheel design; however, effects of presswheels and seed coverers on plant establishment have not been widely investigated. Five experiments were conducted in a fine sandy loam soil to determine effect of presswheels and seed coverers on emergence of direct-seeded cabbage and mustard. Seed were planted with Stanhay 870 seeder equipped with one of four presswheels and seed coverers. Presswheels included smooth, mesh, concave split, and flat split types. Seed coverers included standard drag, light drag, paired knives, and no coverer. Soil moisture at planting ranged from 8% to 19% in the top 5 cm of bed. Differences in plant counts taken 2 weeks after planting were minimal with any presswheel or seed coverer. Visual observation indicated the seed furrow was more completely closed with the knife coverer in high soil moisture conditions. All tests received at least 14 mm of precipitation within 6 days from planting, which may account for lack of differences in plant emergence.

Nitrate Reduction and Nitrite Utilization by Nitrifiers in an Unsaturated Hanford Sandy Loam

1975 ◽  
Vol 4 (2) ◽  
pp. 179-182 ◽  
Author(s):  
M. G. Volz ◽  
L. W. Belser ◽  
M. S. Ardakani ◽  
A. D. McLaren
Keyword(s):  
Nitrate Reduction ◽  
Sandy Loam
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