scholarly journals ALTERNATIVES IN MEDIA: FINDING RENEWABLE SUBSTITUTES FOR PEATMOSS

HortScience ◽  
1995 ◽  
Vol 30 (3) ◽  
pp. 426a-426
Author(s):  
LeAnne Newell ◽  
Janet C. Cole
Keyword(s):  
Leaf Area ◽  
Chemical Properties ◽  
Pine Bark ◽  
Volume Control ◽  
Peat Moss ◽  
Recycled Paper ◽  
Growing Medium ◽  
Number Of Leaves ◽  
Physical And Chemical ◽  
And Chemical Properties

WetEarth, a processed recycled newspaper product, was used in combination with pine bark, sand, and vermiculite as a growing medium for rose of Sharon and forsythia. Rose of Sharon was taller and had more leaves; more leaf area per plant; and greater leaf, stem, and root dry weights in all media containing recycled paper compared to plants grown in a medium consisting of 3 pine bark: 1 peat moss: 1 sand (by volume) (control). Forsythia grown in the control media were taller than those grown in any medium containing recycled newspaper. There was no difference in number of leaves per plant or leaf area of forsythia, regardless of growing medium. Physical and chemical properties of each medium also were investigated. All media containing recycled newspaper had a higher pH, porosity, and air space than the control medium.

scholarly journals EFEITOS DE DIFERENTES SUBSTRATOS NA PRODUÇÃO DE MUDAS DE Sebastiania commersoniana

FLORESTA ◽  
2013 ◽  
Vol 43 (3) ◽  
pp. 407 ◽  
Author(s):  
Horácia Celina Armando Mula Boene ◽  
Antonio Carlos Nogueira ◽  
Nilton José Sousa ◽  
Dagma Kratz ◽  
Paulo Vitor Dutra de Souza
Keyword(s):  
Chemical Properties ◽  
Pine Bark ◽  
Forest Nursery ◽  
Coconut Fiber ◽  
Technical Feasibility ◽  
Rice Hulls ◽  
Controlled Irrigation ◽  
Physical And Chemical ◽  
And Chemical Properties

O objetivo do presente trabalho foi avaliar a viabilidade técnica da utilização de diferentes substratos para a produção de mudas de Sebastiania commersoniana e relacionar suas características físicas e químicas com a qualidade das mudas produzidas. Para tanto, foram formulados 22 substratos, os quais tiveram suas propriedades físicas e químicas avaliadas, sendo a semeadura realizada em tubetes de 120 cm³, acondicionados em casa de sombra, com irrigação controlada. Para a análise dos resultados, foram feitas avaliações de altura, diâmetro de colo, biomassa seca aérea e radicial, facilidade de retirada do tubete, agregação das raízes ao substrato, índice de qualidade de Dickson e relação altura e diâmetro de colo aos 180 dias. De acordo com os resultados obtidos, conclui-se que o melhor substrato testado foi o substrato comercial à base de casca de pinus. Os componentes renováveis, casca de arroz carbonizada, fibra de coco e substrato comercial à base de casca de pinus, apresentaram-se viáveis tecnicamente para produção de mudas de branquilho, enquanto que a casca de arroz carbonizada pura e vermiculita fina não apresentaram viabilidade. No que se refere às propriedades dos substratos, apenas a densidade aparente, pH, Ca e P apresentaram correlação com as variáveis biométricas das mudas. AbstractEffects of different substrates in production of Sebastiania commersoniana seedling. The aim of this research was to evaluate technical feasibility of using different substrates for production of seedlings of Sebastiania commersoniana and relate physical and chemical characteristics to the quality of the produced seedlings. In order to that, 22 substrates were formulated, with their physical and chemical properties evaluated, sowed in tubes of 120 cc, and put in shade, under controlled irrigation. For the results analysis, it evaluated height, stem diameter, air and radicial biomass, ease of removability, root aggregation to the substrate, Dickson quality index, and relation of height and diameter at 180 days. According to the obtained results, the best substrate tested was the commercial pine bark based substrate. The renewable components, carbonized rice hulls, coconut fiber, and commercial pine bark based substrate presented technical feasibility to produce Sebastiania commersoniana seedlings, on the other hand pure carbonized rice hulls and fine vermiculite did not. Towards the properties of the substrates, only bulk density, pH, Ca, and P correlated with biometric variables of the seedlings.Keywords: Branquilho; carbonized rice hulls; coconut fiber; pine bark; forest nursery.

scholarly journals EFFECTS OF IRRIGATION FREQUENCY ON PLANT GROWTH AND NUTRIENT LEVELS OF PINE BARK MEDIA

HortScience ◽  
1990 ◽  
Vol 25 (8) ◽  
pp. 849c-849
Author(s):  
T.E. Bilderback
Keyword(s):  
Plant Growth ◽  
Shoot Growth ◽  
Chemical Properties ◽  
Dry Weight ◽  
Pine Bark ◽  
Growth Responses ◽  
Irrigation Frequency ◽  
Foliar Tissue ◽  
Physical And Chemical ◽  
And Chemical Properties

Ilex × `Nellie R. Stevens' holly, Rhododendron sp. `Hinodegeri' azalea and Pyracantha coccinea, scarlet firethorn rooted cuttings were potted in • 3.81 containers. Irrigation was applied by Dram rings daily, or every 2,4,or 6 days. Approximately 1000 ml of water were applied at each irrigation. Three container media, including pine bark, and pine bark amended with either Terra-Sorb AG synthetic moisture extender incorporated at 1.2 kg/m3 or Aqua-Gro G wetting agent incorporated at 0.9 kg/m3 plus monthly drenches of 700 ml of 2500 ppm Aqua-Gro L were compared for physical and chemical properties and plant growth responses. Decreasing irrigation decreased pH, increased nutrient leachate levels, and increased foliar tissue levels of N,P,K,Ca,and Fe in holly and azalea. Pyracantha top and root dry weight was reduced at 4 and 6 day irrigation intervals, holly top growth was reduced by 6 day and azalea had greatest shoot growth at 2 day irrigation and was reduced by other irrigation frequencies. Top growth of all 3 species and root growth of pyracantha was reduced in the pine bark treatment.

scholarly journals Arcillite: Effect on Chemical and Physical Properties of Pine Bark Substrate and Plant Growth

1992 ◽  
Vol 10 (2) ◽  
pp. 63-69 ◽  
Author(s):  
Stuart L. Warren ◽  
Ted E. Bilderback
Keyword(s):  
Plant Growth ◽  
Chemical Properties ◽  
Total Porosity ◽  
Dry Weight ◽  
Pine Bark ◽  
Irrigation Frequency ◽  
Shoot Dry Weight ◽  
Air Space ◽  
Physical And Chemical ◽  
And Chemical Properties

Abstract The objective of this study was to determine the effect of arcillite, a calcined montmorillonite and illite clay, on the physical and chemical properties of a pine bark growth substrate and plant growth. To accomplish this, Cotoneaster dammeri ‘Skogholm’ and Rhododendron sp. ‘Sunglow’ were potted into pine bark substrate amended with 0, 27, 54, 67 or 81 kg/m3 (0, 45, 90, 112 or 136 lbs/yd3) arcillite. Plants were irrigated every l, 2, or 4 days. Container capacity, available water, and bulk density increased with increasing arcillite rate. Air space decreased with increasing arcillite rate. Total porosity and unavailable water were not affected by arcillite. Substrate NH4, NO3, P, K, Ca, and Mg concentrations increased with decreasing irrigation frequency. Substrate NH4, P, and K concentrations increased with increasing arcillite rate suggesting that arcillite improved retention within the container substrate. Azalea ‘Sunglow’ shoot dry weight decreased linearly with decreasing irrigation frequency and increased curvilinearly with increasing arcillite with maximum dry weight occurring at 67 kg/m3 (l12 lbs/yd2). Cotoneaster ‘Skogholm’ shoot dry weight increased linearly with increasing arcillite rate at 2 and 4 day irrigations and curvilinearly at 1 day irrigation with maximum weight at 67 kg/m3 (112 lbs/yd2).

scholarly journals Contributions at Biodiversity, Physical and Chemical Properties Knowledge from Tinovul Mohos, in Ciucului Mountain

1970 ◽  
Vol 66 (1) ◽  
Author(s):  
Ioan PACURAR ◽  
Teodor RUSU ◽  
Doina CLAPA ◽  
Anca SOTROPA ◽  
Mircea DUNCA
Keyword(s):  
Chemical Properties ◽  
Specific Weight ◽  
Peat Moss ◽  
Physical And Chemical Properties ◽  
Organic Substances ◽  
Mineral Substance ◽  
Physical And Chemical ◽  
Acid Character ◽  
And Chemical Properties

Peat lands or histosoils occupy more than 6000 ha in Romania. Tinovul Mohos having more than 80 ha and a peat store more than 3 millions ton, is one of the most representative from Europe for his fauna and flora biodiversity. It is a peat land beggarly in nutritive and mineral substance, having a powerful acid character (pH 3,20-4,07).Tinovul Mohos is formed on the basis of peat moss Sphagnum, having a thickness of 10 m, more than 99% organic substances, specific weight between 0,69 and 0,84, and a percent of carbon 49-51%. Tinovul Mohos shelter many survival species like Lycopodium inundatum, Drosera obovata, Drosera intermedia, Andromeda polifolia, Meesea longiseta, Sparganium minimum, Calamagostris neglecta, Eriophorum gracile,Mitopus morio.

scholarly journals Short Communication: The physical and chemical properties of nipah (Nypa fructicans) frond as an alternative feed for ruminants in Indonesia

2020 ◽  
Vol 21 (10) ◽  
Author(s):  
Muhammad Afdal ◽  
Teja Kaswari ◽  
Saitul Fakhri ◽  
Heni Suryani
Keyword(s):  
Short Communication ◽  
Chemical Properties ◽  
Gas Production ◽  
Physical And Chemical Properties ◽  
Alternative Source ◽  
Alternative Feed ◽  
Number Of Leaves ◽  
Physical And Chemical ◽  
Feed Samples ◽  
And Chemical Properties

Abstract. Afdal M, Kaswari T, Fakhri S, Suryani H. 2020. Short Communication: The physical and chemical properties of nipah (Nypa fructicans) frond as an alternative feed for ruminants in Indonesia. Biodiversitas 21: 4714-4718. The aim of this study was to evaluate the physical and chemical properties, as well as the degradation of dry matter (DM) and organic matter (OM), of nipah (Nypa fructicans Wurmb.) frond, in view of its potency as an alternative source of feed. Samples of nipah frond were collected from the Sub-district of Geragai and Nipah Panjang, Indonesia, representing lowland brackish and coastal areas, respectively. All samples were explored to reveal their physical and chemical properties, degradation of DM and OM, and total gas production. The t test was applied to compare parameters between the Geragai and Nipah Panjang areas. There were no significant differences (P > 0.05) in frond weight and leaf weight between the two sample locations. The length of frond and the length from base to first leaf of nipah was significantly different (P < 0.05) between both locations. The number of leaves in one frond and the number of fruit in one bunch were highly significant different (P < 0.01) between the two sample regions. The DM and OM degradation of nipah fronds and leaves were not significantly different (P > 0.05). between Geragai and Nipah Panjang, while the DM and OM degradation of nipah leaves were also not significantly different (P > 0.05). However, total gas production from the leaves and fronds were highly significantly different (P < 0.01) between Geragai and Nipah Panjang. It can be summarized that the physical properties and chemical composition of the fronds and leaves of nipah in these areas are similar except for the length between base and the first leaf, the number of leaves, and the number of fruit in a single bunch, which were different. In terms of DM and OM degradation, there were no differences between the lowland brackish area and the coastal area, except for in terms of total gas production, which was significantly different between the two sample locations.

scholarly journals COMPARISON OF THE PHYSICAL AND CHEMICAL PROPERTIES BETWEEN CONTAINER-GROWN WOODY ORNAMENTALS

HortScience ◽  
1994 ◽  
Vol 29 (7) ◽  
pp. 730e-730
Author(s):  
April D. Edwards ◽  
Steven E. Newman ◽  
Adolph J. Laiche
Keyword(s):  
Pore Space ◽  
Chemical Properties ◽  
Hibiscus Cannabinus ◽  
Pine Bark ◽  
Physical And Chemical Properties ◽  
Woody Ornamentals ◽  
Fiber Core ◽  
Ph Values ◽  
Physical And Chemical ◽  
And Chemical Properties

Kenaf (Hibiscus cannabinus) is an alternative fiber crop being grown in Mississippi that maybe used as a tree-less fiber substitute for making paper. A by-product in this process is the pithy light-weight fiber core. The objective of this study was to examine the chemical and physical properties of kenaf fiber core as a medium component in growing woody ornamentals and compare to pine bark. Comparisons of media in which Ilex crenata `Cherokee' and Rhodoendron eirocarpum `Wakabuisi' were grown were made. The physical and chemical properties including bulk density, total pore space, water retention, pH and soluble salt concentrations were determined. Aged kenaf had lower pH values than fresh and both aged and fresh kenaf had higher pH values than pine bark. The total pore space of kenaf was lower than the pore space of pine bark. At the termination of the study, the kenaf media had considerable shrinkage, which was considered unsuitable for a long-term crop.

scholarly journals Physical and Chemical Properties of Substrates Containing Earthworm Castings and Effects on Marigold Growth

HortScience ◽  
2006 ◽  
Vol 41 (6) ◽  
pp. 1474-1476 ◽  
Author(s):  
Pablo R. Hidalgo ◽  
Frank B. Matta ◽  
Richard L. Harkess
Keyword(s):  
Pore Space ◽  
Chemical Properties ◽  
Growth Index ◽  
Dry Weight ◽  
Nutrient Content ◽  
Peat Moss ◽  
Physical And Chemical Properties ◽  
Flower Number ◽  
Physical And Chemical ◽  
And Chemical Properties

The effects of various substrates with or without earthworm [Eisenia fetida (Savigny, 1826] castings on growth of marigolds were evaluated. In addition, the physical and chemical properties of such substrates were determined. Castings had a greater nutrient content than the remaining substrates. The 4 pine bark: 1 sand treatment (v/v) (PBS) had higher P, K, and Zn than 7 peat moss: 3 perlite (v/v) (PP). PP had the lowest nutrient content of all substrates. Castings (C) had the highest pH followed by 1 PBS: 1 C (v/v), 2 PBS: 1C (v/v) and 3 PBS: 1C (v/v). Sunshine Mix 1 and PP had the lowest pH. EC (ER) was increased by castings, which had high ER. Castings and PP had the greatest percentage pore space. Water-holding capacity was greatest for 2 PBS: 1C (v/v) compared with Sunshine Mix 1 followed by castings. Earthworm castings increased plant growth index, stem diameter, root growth, dry weight, and flower number of marigolds compared with PP, Sunshine Mix 1, and PBS. All mixtures of castings (C) with PP, PBS, except 3 PBS: 1C (v/v), increase the growth index of plants. 1 PP: 1 C (v/v), increased flower number compared with all substrates without castings. Castings alone increased number of open flowers, but did not differ from 1 PP: 1 C or 3 PP:1 C.

scholarly journals Recycling of Beet Sugar Byproducts and Wastes Enhances Sugar Beet Productivity and Salt Redistribution in Saline Soils

2021 ◽  
Author(s):  
Maha Aljabri ◽  
Saif Alharbi ◽  
Fekry M. Ismaeil ◽  
Jiana Chen ◽  
Salah Fatouh Abou-Elwafa
Keyword(s):  
Sugar Beet ◽  
Leaf Area ◽  
Root Length ◽  
Filter Cake ◽  
Chemical Properties ◽  
Physical And Chemical Properties ◽  
Root Yield ◽  
Beet Sugar ◽  
Physical And Chemical ◽  
And Chemical Properties

Abstract Soil salinity adversely affects the growth, yield, and quality parameters of sugar beet, leading to a reduction in root and sugar yields. Improving the physical and chemical properties of salt-affected soils is essential for sustainable cultivation and sugar beet production. A field experiment was conducted at t the Delta Sugar Company Research Farm, El-Hamool, Kafr El- Sheikh, Egypt to evaluate the response of sugar beet to the application of beet sugar filter cake treated with sulfuric and phosphoric acid-treated, phosphogypsum (PG), desaline, humic acid and molasses under saline soil conditions. The application of treated filter cake enhanced root length, diameter and leaf area. The application of molasses enhanced root length, diameter and leaf area as well. Application of molasses increased sugar content and root yield. The application of either treated filter cake or molasses produced the highest recoverable sugar yield. Linear regression analysis revealed that the root yield, quality index and recoverable sugar yield increased in response to the increased availability of either Ca2+ and K content in the soil which increases in response to the application of soil amendments and molasses. The application of treated beet sugar filter cake and molasses increased the calcium, magnesium and potassium availability in the soil. Treated filter cake is a promising organic soil amendment that enhanced the yield by 29%, and yield-related traits of sugar beet by improving the physical and chemical properties of the soil.

Sustainable Urban Horticulture of Sweet Pepper via Vermicomposting in Summer Season

2014 ◽  
Vol 3 (1) ◽  
pp. 110-122
Author(s):  
Abul Soud ◽  
M. A., M. S. A. Emam ◽  
M. A. A. Abdrabbo ◽  
F. A. Hashem ◽  
Shaimaa H. Abd-Elrahman
Keyword(s):  
Vegetative Growth ◽  
Chemical Properties ◽  
Sweet Pepper ◽  
Summer Season ◽  
Growth And Yield ◽  
Peat Moss ◽  
Physical And Chemical Properties ◽  
Physical And Chemical ◽  
Urban Horticulture ◽  
And Chemical Properties

The need for extend the urban horticulture to cover the food security demands, to mitigate CO2 emissions and avoid the extreme heat waves drive this study to investigate the ability of using soilless culture systems, vermicomposting technology and net cover in producing vegetables in urban area in summer season. The aim of this study was to determine the effect of different vermicompost rates mixed with the standard substrate peat moss: perlite (perlite: peat moss: vermicompost (45:45:10) (Mix.10%), perlite: peat moss: vermicompost (40:40:20) (Mix.20%), perlite: peat moss: vermicompost (35:35:30) (Mix.30%) and perlite: peat moss (50:50 V/V) (Control) under three microclimate conditions (plants covered with black net, white net and without cover) on vegetative growth and yield of sweet pepper (Capsicum annuum L. cv. Reda) grown in pots culture during summer seasons of 2012 and 2013 at the Central Laboratory for Agricultural Climate, Agricultural Research Center, Dokki, Giza Governorate. Physical and chemical properties of substrates, vegetative growth and yield characteristics, agrometerological data and mineral contents were determined. The obtained data indicated that vermicomposting could contribute in mitigate CO2 emission, save the essential nutrients and energy via recycling the urban organic wastes to vermicompost. The physical and chemical properties were affected by vermicompost. The best vegetative growth and yield of sweet pepper were given by (Mix.20%) vermicompost mixture followed by (Mix.10%) and (Mix.30%) vermicompost mixture. There were also significant differences between cover net treatments in affecting vegetative growth and yield of pepper, the white net was superior for producing pepper during the summer season; while the black net gave the lowest plant growth and yield. The best treatment was (Mix.20%) vermicompost mixture with white net cover, while the lowest vegetative growth and yield were obtained by (Control) vermicompost mixture with black cover net during the two tested seasons. These results suggested that vermicomposting and green roof can be used in urban area for producing food instead of incineration the urban organic wastes or imported food from rural area and using white cover net to improve the pepper growth and productivity during summer season.

scholarly journals SUBSTRATOS RENOVÁVEIS PARA PRODUÇÃO DE MUDAS DE Mimosa scabrella

FLORESTA ◽  
2014 ◽  
Vol 45 (2) ◽  
pp. 393 ◽  
Author(s):  
Dagma Kratz ◽  
Antonio Carlos Nogueira ◽  
Ivar Wendling ◽  
Paulo Vitor Dutra De Souza
Keyword(s):  
Chemical Properties ◽  
Pine Bark ◽  
Physical And Chemical Properties ◽  
Seedling Production ◽  
Coconut Fiber ◽  
Technical Feasibility ◽  
Rice Hulls ◽  
Grain Sizes ◽  
Physical And Chemical ◽  
And Chemical Properties

Objetivou-se neste estudo avaliar a viabilidade técnica de substratos renováveis à base de fibra de coco, casca de arroz carbonizada em diferentes granulometrias, biossólido e casca de pínus semidecomposta para a produção de mudas de Mimosa scabrella. Para tanto, foram formulados 41 tratamentos, contendo como testemunha substrato comercial à base de casca de pínus, os quais tiveram suas propriedades físicas e químicas avaliadas. Realizou-se semeadura direta em tubetes de 55 cm³, permanecendo por 120 dias em estufa de vidro e 30 dias na área de pleno sol. Observou-se que o substrato comercial à base de casca de pínus e substratos com diferentes combinações de casca de arroz carbonizada e fibra de coco apresentaram-se viáveis para produção de mudas de M. scabrella, enquanto que o componente biossólido mostrou-se inviável. O peneiramento da casca de arroz não se justifica, quando comparado com a casca de arroz carbonizada na sua forma íntegra. Quanto menor a agregação do substrato às raízes, maior a facilidade de retirada das mudas dos tubetes. A densidade, matéria orgânica, pH, condutividade elétrica, salinidade e concentração de magnésio e fósforo influenciaram no crescimento das mudas.Palavras-chave:  Bracatinga; biossólido; casca de arroz carbonizada; fibra de coco; propriedades físicas. AbstractRenewable substrates in the seedling production of Mimosa scabrella. The objective of this study was to evaluate the technical feasibility of renewable-based substrates coconut fiber, rice hulls at different grain sizes, sludge and pine bark semi-decomposed for the production of seedlings of M. scabrella. To this end, 41 treatments were formulated, containing commercial substrate as a control the base of pine bark, where they were which were analyzed in relation to their physical and chemical properties. Held tillage in plastic tubes of 55 cm³ for 120 days in a greenhouse of glass and 30 days in the full sun. It was observed that the commercial substrate based on pine bark and the substrates based on different combinations of rice hulls and coconut fiber showed to be viable for production of seedlings of M. scabrella, while the component biosolid had to be unfeasible. Screening of rice husk is not justified when compared with the rice hulls in its entirety. The lower the aggregation in substrate, the easier removal of the seedlings of the tubes. The density, organic matter, pH, electrical conductivity, salinity, magnesium and phosphorus influenced the growth of seedlings.Keywords: Bracatinga; biosolid; rice hulls; coconut fiber; physical properties.

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