soil acidity and liming in tropical fruit orchards

Tài liệu Seasonal variation in the incidence of preeclampsia and eclampsia in tropical climatic conditions ppt

Ngày tải lên : 13/02/2014, 06:20

... preeclampsia in conceptions occurring in the summer season, whereas there was no significant variation in the incidence of preeclampsia based on the timing of delivery In our study, we intend to ... entail accessing any individual patient data or identifiable information and was reviewed by the hospital research committee Prospectively maintained database recording all deliveries and associated ... had no influence on the incidence of preeclampsia In contrast, lower temperature, higher rainfall and humidity and lower barometric pressure were related to the triggering of seizures in patients...

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space-time scaling properties of soil moisture and evapotranspiration in water-limited ecosystems

Ngày tải lên : 14/11/2014, 10:02

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Geochemistry of inorganic arsenic and selenium in a tropical soil effect of reaction time, ph, and comp

Ngày tải lên : 16/03/2014, 00:25

... main inorganic forms of As in contaminated soils and sediments are +5 and +3 (Harper and Haswell, 1988) but sometimes the oxidation states of )3 and are expected to be found in highly reducing ... AsO3 and H2 AsOÀ ) normally predominate in slightly reduced soils whereas As(V) (as H2 AsOÀ and HAsO2À ) occur predominantly in well4 oxidized soils Selenium can also be present in inorganic and ... Geochemical properties of tropical soil The tropical soil used in this study consisted of 38% gravel, 22% sand, 21% silt, and the remaining 19% clay and other colloidal particles This soil is grouped as...

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Arsenic solubility and distribution in poultry waste and long term amended soil

Ngày tải lên : 15/03/2014, 23:49

... waste-amended soil Soil Sci 2000;165:260 –268 Han FX, Banin A, Triplett GB Redistribution of heavy metals in arid-zone soils under a wetting–drying soil moisture regime Soil Sci 2001;166:18 –28 Hingston ... with high binding affinity for As It has been shown that incorporation of alum into poultry-house bedding materials significantly decreases soluble As concentrations in poultry wastes and in runoff ... shown in Fig is desired, such as in ordinary kriging, variogram analysis of the data is necessary Semi-variogram analysis (not shown) exhibited a gradual increase and then leveling off and reaching...

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Effect of cd and as in soil on growth availability to plant

Ngày tải lên : 16/03/2014, 00:07

... As and Cd on the growth of chinese cabbage, radish and lettuce and to establelish the critical level of elements in chinese cabbage, radish and lettuce Materials and Methods A silty loam soil ... significantly decreased with increasing soil As levels and the critical As levels in soils were estimated to be 6.79 mg kg-1 for loam and 2.75 mg kg-1 for sandy loam Aller et al (1990) investigated the rice ... edible part of chinese cabbage, radish, and lettuce grown at the Cd treated soils Contents of As and Cd in edible part of chinese cabbage, radish, and lettuce The contents of As and Cd in agricultural...

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Effect of sludge processing mode, soil texture and soil ph on metal mobility in undisturbed soil columns

Ngày tải lên : 16/03/2014, 00:07

... subsoil in the column prior to returning the soil The same excavation and mixing procedure was used to obtain soil samples in subsequent post-application cropping cycles 2.4 Crops and watering ... dewatered digested sludge and four sludge products derived from it via composting, alkaline stabilization, drying and pelletization and incinerationÐwere applied to the soils Initial soil pH levels were ... rhizosphere in the soil and allowing root growth to open and maintain preferential ¯ow paths; and (3) provide a more realistic pattern of soil moisture content and percolation rates over the cropping...

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Control of Dioxins (and other Organochlorines) from the Pulp and Paper Industry under the Clean Water Act and Lead in Soil at Superfund Mining Sites: Two Case Studies in EPA''''s Use of Science potx

Ngày tải lên : 24/03/2014, 05:20

... Dioxin from Pulp and Paper and Lead in Soil at Mining Sites i Abstract This paper discusses EPA’s acquisition and use of science in addressing dioxins (and other organochlorines) from the pulp and ... coordinating role and concentrated on the risks from effluents, sludge, and occupational exposures The EPA coordinator was a Dioxin from Pulp and Paper and Lead in Soil at Mining Sites 25 Dwain Winters, ... Smelting and Refining Company, a subsidiary of the Anaconda Company, had a lead mill and smelter at Tooele After the war, lead-zinc mining production in Utah declined In 1958, US Smelting and International...

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Báo cáo Y học: A complex fruit-speciﬁc type-2 ribosome-inactivating protein from elderberry (Sambucus nigra) is correctly processed and assembled in transgenic tobacco plants doc

Ngày tải lên : 31/03/2014, 23:20

... the A- and B-chains All amino-acid residues involved in the catalytic activity of the A-chain and the carbohydratebinding activity of the B-chain are identical in SNA-I and SNA-If This explains ... are located in domain 1, and two others (linking Cys147Cys162 and Cys188-Cys205, respectively) are located in domain The sugar-binding activity of SNA-If relies on two carbohydrate-binding sites ... domains each of which contains one carbohydratebinding site (w for domain 1, q for domain 2) The N- and C-terminal end of both chains are indicated Lower panels: docking of galactose (Gal) in...

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disease and insect control in home fruit plantings

Ngày tải lên : 20/04/2014, 14:20

... destroy fruiting canes immediately after harvest C Promote rapid drying conditions and good air circulation in the canopy by controlling weeds, keeping the planting properly thinned and not allowing ... blight, fruit rots and certain leaf spots, as the organisms that cause these diseases overwinter in the wood Removing mummified (dark, shriveled, dry) fruit helps prevent the overwintering of the fruit ... Disease and Insect Control in Home Fruit Plantings Steve Bost, Professor, Karen Vail, Associate Professor, and Frank Hale, Associate Professor Entomology and Plant Pathology Growing fruit in the...

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coats & schauberger - the fertile earth - nature's energies in agriculture, soil fertilisation and forestry (2000)

Ngày tải lên : 04/06/2014, 12:23

... 126 TIMBER AND WATER IN THE BUILDING INDUSTRY Caution in the Use of Timber in the Building Industry 131 The Character of Water in the Building Industry 134 Constructional Defects and their Prevention ... of growing things Why does the Earth continue to float in space despite the constantly increasing weight of growing things? In principle this question is quite easy to answer It floats in space ... oxidising processes are initiated and decomposive energies activated and liberated These lead to inflammation and swellings and provoke the regressive development of cancer This explains in general...

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Báo cáo khoa học nông nghiệp " Developing GAP systems for dragon fruit producers and exporters in Binh Thuan and Tien Giang provinces " pdf

Ngày tải lên : 21/06/2014, 05:20

... training was done over one day and was called an “Introduction to Internal Auditing” The Internal Auditor training has been continued and its principles incorporated into much of the training ... this training will become more formal and serious The training will be done utilising the “increasing” capability of the Vietnamese personnel Leading dragon fruit farmers and packers in the Binh ... Training Farmers and packers showing an interest in the project have been included through invitation to training sessions being undertaken, or were mentored separately as time permitted Following...

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Báo cáo nghiên cứu khoa học " Developing GAP systems for dragon fruit producers and exporters in Binh Thuan and Tien Giang provinces - MS2 " doc