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Influence of nitrogen form ratio and calcium on greenhouse and field performance of watermelon

Creator:: Lamb, Michael J.
Abstract:: Watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai var. Crimson Sweet) was seeded in a commercial peat mix in multicell containers (72 cells-tray⁻¹, 40 cm³-cell⁻¹) in July 1989 and April 1990. In 1989, the medium was amended with CaC0₃ at 10% w:v. In 1990, no CaC0₃ amendment was made. Watermelon seedling...
Resource Type:: Masters Thesis
Full Text:: in plant growth with increasing Ca was greater in 1990 than 1989, due to higher medium EC

Substrate production of blueberry : evaluation of soilless media and potassium, nitrogen fertility on growth and nutrition

Creator:: Kingston, Patrick H.
Abstract:: As blueberry (Vaccinium sp.) production has increased in recent decades, a new interest has developed in the cultivation of blueberry in soilless substrate containers. Historically, blueberry has been propagated and grown in soilless substrate at nurseries, but nursery production is short in duration and plants are small relative to a...
Resource Type:: Masters Thesis
Full Text:: analyzed for pH and electrical conductivity (EC). Plants were destructively harvested and dry weight and

Estimation of true leaching requirement and resulting yield under different furrow irrigation practices

Creator:: Toraman, Haci Mustafa
Resource Type:: Masters Thesis
Full Text:: Hoffman (1977), was used to relate yield to ECe in the model. A theoretical relationship between EC

Urinary estrogens and progestins in pregnant pony mares

Creator:: Riad, Mohamed Tarek
Abstract:: Urinary steroids have been studied during early and late pregnancy in domestic horses or sporadic samples at various stages of pregnancy in wild equidae. In our studies, urinary estrone sulfate (E1S) and pregnanediol glucuronide (PdG) were monitored throughout pregnancy in six pony mares by enzyme immunoassay (EIA). Both hormones were...
Resource Type:: Masters Thesis
Full Text:: pregnancy. Evans et al. (1984) measured estrogen conjugate (EC) from preconception diestrus to d 78 of

Titanium metal as the basis of a potential industry in the Pacific Northwest

Creator:: Christensen, Hal Samuel
Resource Type:: Masters Thesis

Maturity and stability evaluation of composted yard debris

Creator:: Brewer, Linda J.
Abstract:: Compost maturity is an important determinant of end use for composted municipal yard debris, and generally refers to the effect the compost has on plants. The rate of microbial respiration is an indicator of compost stability. The objectives of this research were to: i) determine whether continuous aeration resulted in...
Resource Type:: Masters Thesis
Full Text:: . (1993) measured electrical conductivity (EC), nitrate (NO3-), phosphorous (P), calcium (Ca 2

Requirements for successful irrigation systems in the Senegal River Basin (Mauritania)

Creator:: Abba, Fatima Zahra
Abstract:: Implementation of a small-scale irrigation project in southern Mauritania is analyzed in this report. The main objective is to demonstrate that small-scale irrigation farming is the best suited solution for Mauritania's agriculture. To reach this objective different steps are taken in this study. The first step highlights the different aspects...
Resource Type:: Masters Thesis

A study of deep levels of AlGaAs/GaAs heterojunction bipolar transistors

Creator:: Huang, Chun-ta
Abstract:: A study of deep levels of the emitter region of a heterojunction bipolar transistor is investigated using deep level transient spectroscopy (DLTS), deep level admittance spectroscopy (DLAS), thermally stimulated capacitance (TSCAP), and capacitance-voltage (C-V) profiling. The DX center, with an activation energy of 0.45 eV, is the only deep level...
Resource Type:: Masters Thesis
Full Text:: event. This investigation is limited to the trapping event. 3 (a) (b) (c) (d) Ec Et 0 Ev

Assessing the impact of temperature on grape phenolic metabolism

Creator:: Cohen, Seth D.
Abstract:: Many climatic factors influence grape berry composition including nutrient status, water availability, biotic stress, sun exposure and temperature. Previous research examined the effects of many factors listed above and much progress has been made. It is often difficult, however, to separate effects that typically confound each other, such as sun...
Resource Type:: Masters Thesis
Full Text:: Exobasidium vexans tended to be higher in (-)-epicatechin (EC) and lower in epigallocatechin gallate (EGCG

Identification of polychlorinated biphenyls by gas-liquid chromatography and ultraviolet degradation

Creator:: Herring, Jeffry Lynn
Resource Type:: Masters Thesis
Full Text:: (EC) detector has become practically the universal method for analysis of all types of

ScholarsArchive@OSU

Influence of nitrogen form ratio and calcium on greenhouse and field performance of watermelon

Substrate production of blueberry : evaluation of soilless media and potassium, nitrogen fertility on growth and nutrition

Estimation of true leaching requirement and resulting yield under different furrow irrigation practices

Urinary estrogens and progestins in pregnant pony mares

Titanium metal as the basis of a potential industry in the Pacific Northwest

Maturity and stability evaluation of composted yard debris

Requirements for successful irrigation systems in the Senegal River Basin (Mauritania)

A study of deep levels of AlGaAs/GaAs heterojunction bipolar transistors

Assessing the impact of temperature on grape phenolic metabolism

Identification of polychlorinated biphenyls by gas-liquid chromatography and ultraviolet degradation

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