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Growth And Yield Of Curly Red Chili (Capsicum Annum L.) In Response To Mulching And Chicken Manure Application In The Erosion-Prone Area Of Loto, Ternate Island, Tri Mulya Hartati, Lily Ishak, Krishna Aji, Chumidach Roini

Jurnal Kultivasi

Information on soil resources in volcanic landscapes presents a high potential for agricultural land development, but its development is always faced with the potential for continuous land degradation. This study aims to reduce the rate of land degradation through the application of vegetative conservation in erosion-prone Loto agrotourism area, Ternate Island. The research location is focused on erosion-prone areas. The research consisted of a soil resource inventory and a vegetative conservation application. The vegetative conservation application method used a Randomized Block Design (RBD) pattern, composed of 2 factors. The first factor is mulching, namely: no mulching (M0) and mulching (M1), …

Post-Drought Growth Recovery Of Tea (Camellia Sinensis) Under Different Techniques And Doses Of Biofertilizer Applications, Nabila Ragil Wiharti, Intan Ratna Dewi Anjarsari, Yudithia Maxiselly

Jurnal Kultivasi

Drought stress is a major limiting factor affecting the growth, yield, and quality of tea (Camellia sinensis). The present study aimed to analyze the success of post-drought growth recovery of tea in response to different techniques and doses of biofertilizer applications. Field experiments were conducted from January to August 2024 in the experimental garden of the Research Institute for Tea and Cinchona, Gambung Blok A8, Bandung. This work was arranged in a split-plot design, consisting of a main plot with two biofertilizer application techniques (foliar feeding and soil drenching) and subplots with four levels of biofertilizer dosage (control (B1), 15 …

Determining The Toxic Threshold And Other Use Characteristics For Industrial Hemp Seed Oil Used For Wood Product Protection, Daylan M. Barnes

Theses and Dissertations

Plant-based wood treatments have been utilized for many years, with varying success. Oils such as those extracted from linseed (flax), tung, and hemp plants have been used for thousands of years as finishes on wood. These are all drying oils, which dry to a film when exposed to air. Hemp seed oil has a high fatty acid content and can take a long time to dry on wood products but is valued in woodworking for being easy to use, food-safe, and having little to no odor. In this study, cold-pressed hemp seed oil, blended with a soybean carrier oil, is …

Rangelands Glossary, Department Of Primary Industries And Regional Development, Western Australia

Natural resources factsheets

An alphabetical list of common Rangelands terminology.

Using Published Undergraduate Biomechanics Research On Hydra Mouth Opening To Train Undergraduates, Stephen Hackler, T. Goel, Jonah Pacis , '25, Eva-Maria S. Collins

Biology Faculty Works

Biophysics research is exciting because physical approaches to biology can provide novel insights, and it is challenging because it requires knowledge and skills from multiple disciplines. We have developed an undergraduate biophysics laboratory module that teaches fundamental skills such as time-lapse microscopy, image analysis, programming, critical reading of scientific literature, and basics of scientific writing and peer review. The module is accessible to students who are familiar with introductory statistics, cell biology, and differential calculus. We used published research on the biomechanics of Hydra mouth opening as a framework because it describes a stunning biological phenomenon: Hydra, a freshwater …

Investigating The Influence Of Experimental Parameters On The Formation Of Gold Nanoparticles: A Green Synthesis And Design Of Experiments Approach, Isaac Opeyemi Subuloye

Master's Theses

This thesis examines the green synthesis of gold nanoparticles using catechin, a naturally occurring plant-derived compound, as both a reducing and capping agent. The synthesis process was guided by a structured Design of Experiments (DOE) methodology to ensure systematic investigation and optimization. A two-phase experimental approach was adopted. First, a full factorial screening design was used to evaluate the effects of catechin concentration, NaOH concentration, and pre-reaction time. This was followed by an optimization phase using a face-centered composite design to identify conditions that produce nanoparticles with ideal characteristics. The nanoparticles were analyzed using UV-visible spectroscopy and dynamic light scattering …

Life Cycle Assessment Of The Cultivation Of Lettuce In A Hydroponic System Using The Nutrient Film Technique, Raquel Jordan

All Theses

Hydroponic systems are an emerging method of soilless crop cultivation typically done inside a greenhouse where nutrients are delivered dissolved in water rather than being supplied from the soil. Potential benefits of hydroponic systems include reduced irrigation requirements, higher crop yield per area, and the ability to grow crops year-round in nontraditional areas such as urban settings, cold climates, and sites with contaminated soil. However, hydroponic systems tend to have high energy requirements for lighting and climate control, which can yield significant environmental impacts. To explore the environmental impacts of cultivating lettuce in a nutrient film technique (NFT) hydroponic system, …

High-Resolution Event Stratigraphy Of Ostracods In The Ozan Formation Of Texas And Arkansas, Denali L. John

Master's Theses

This study focuses on the high-resolution event stratigraphic framework of the lower Campanian Ozan Formation in Northeast (NE) Texas and Southwest AR which is richly fossiliferous in ostracods. Little research has been published on the Ozan Formation and even less dealing with Ozan ostracods. Additionally, correlation of Upper Cretaceous units between Texas and AR is controversial due to the general lack of good exposures in both regions and extensive faulting in Northeast Texas despite similar depositional environment across the region. This study calibrates the ranges of ostracods and creates an event stratigraphic composite that is orders of magnitude higher in …

Evaluation Of Performance Characteristics And Groundwater Contamination Risks Associated With On-Farm Swine Carcass Disposal Via Composting And Shallow Burial With Carbon, Gustavo Castro Garcia

Dissertations and Doctoral Documents, University of Nebraska-Lincoln, 2023–

This dissertation evaluates the performance of three on-farm swine carcass disposal methods: whole carcass composting (WCC), ground carcass composting (GCC), and shallow burial with carbon (SBC), focusing on biosecurity factors and groundwater contamination risks. Foreign animal diseases (FADs), such as African swine fever and classical swine fever, pose severe economic and animal well-being risks if introduced to the United States. With confirmation of an FAD, swine movement will be halted, creating an urgent need for practical, biosecure, and environmentally responsible on-farm disposal strategies for swine carcasses. Nebraska, as a leading swine-producing state, exemplifies the vulnerability of high-density livestock regions to …

Visceral, Neural, And Immunotoxicity Of Per- And Polyfluoroalkyl Substances: A Mini Review, Pietro Martano, Samira Mahdi, Tong Zhou, Yasmin Barazandegan, Rebecca Iha, Hannah Do, Joel Burken, Paul Ki-Souk Nam, Qingbo Yang, Ruipu Mu

Chemistry Faculty Research & Creative Works

Per- and polyfluoroalkyl substances (PFASs) have gained significant attention due to their widespread distribution in the environment and potential adverse health effects. While ingestion, especially through contaminated drinking water, is considered the primary route of human exposure, recent research suggests that other pathways, such as inhalation and dermal absorption, also play a significant role. This review provides a concise overview of the toxicological impacts of both legacy and emerging PFASs, such as GenX and perfluoro butane sulfonic acid (PFBS), with a particular focus on their effects on the liver, kidneys, and immune and nervous systems, based on findings from recent …

A Simple Guide For Describing Soils, 2nd Edition, Angela Stuart-Street, Nicolyn Short Dr, Paul Galloway, Noel R. Schoknecht

Natural resources published reports

Soils are enormously diverse and can be very confusing to understand and talk about. This simple guide for describing soils helps to identify the most important parts of a soil profile and provide an easy way to understand and explain what you see. It gives you a step-by-step guide of what soil properties to describe and how to describe them, along with the tools to make basic soil classifications. The soil descriptors help you to identify the soil type and aid in assigning a simple and standardised name to the soil. While this guide is designed to link with a …

Flooding: Risk Assessment And Its Interaction With Population & Environmental Health, Shivendra Srivastava

Dissertations and Doctoral Documents, University of Nebraska-Lincoln, 2023–

Flood events have significant implications for both population and environmental health. This dissertation aims to explore flood risk and its interaction with humans and the environment. The key questions addressed in this dissertation include improving the existing flood risk framework to better assess population vulnerability and associated risk. Additionally, it explores how interactions among risk components vary across spatial scales and regions, and how these variations influence overall flood risk. The dissertation also investigates how to design a vulnerability component specific to flooding within flood risk estimation. Finally, it answers whether flood-specific vulnerability differs for a population compared to vulnerability …

Arginine Vasotocin And Corticosterone In Nesting And Non-Nesting Loggerhead Sea Turtles In X’Cacel-X’Cacelito Sanctuary, Krista Blair Reed

Theses and Dissertations

Sea turtles exhibit distinct behaviors before and after egg laying, however, not all individuals successfully oviposit. Some females display disruptions in their typical nesting behavior, returning to the water without laying eggs, which is referred to as a non-nesting emergence (NNE). NNEs can be due to external disturbances on the beach, but why they occur is often unclear. Arginine vasotocin (AVT) is a neuropeptide involved in various physiological processes, including stimulating smooth muscle contraction of the oviduct to facilitate egg deposition in nesting sea turtles. On the other hand, corticosterone is the primary stress hormone in sea turtles and is …

Health And Weather In Unfavourable Environments: Exploring The Historical Dynamics Of Colonial Medical Meteorology In Nineteenth-Century Tropical Asia, Fiona Williamson

Research Collection College of Integrative Studies

Medical meteorology had a long precedent in medical thought across Eastern and Western traditions. This article considers the tradition of medical meteorology that was favoured by Western doctors in the nineteenth century, which was often applied within colonial contexts to the understanding of new climates and how they might impact on human health. Looking at British-held tropical and sub-tropical colonies of the Straits Settlements and Hong Kong respectively, medical meteorology was stimulated by the new pathological and atmospheric conditions that European explorers and settlers now inhabited in the name of the British Empire. They brought with them concepts of disease …

Impacts Of 4r Nitrogen Management And Water Optimization On Soil Health, Kamaldeep Kamaldeep

All Graduate Theses and Dissertations, Fall 2023 to Present

Farmers in Utah and Idaho are facing growing challenges due to high fertilizer costs, limited irrigation water, and pressure to improve long-term soil health. To better understand current practices and grower attitudes, a survey was conducted in 2020 targeting 5,000 producers of small grains, corn, and potatoes. Although the response rate was low, 146 growers representing over 25,000 hectares of cropland participated. Survey results showed that most growers are open to improving nitrogen and irrigation practices and care about their soil health, even if not all are fully using 4R or precision agriculture methods.

This thesis includes two field studies …

Cotton Yield And Tissue-Potassium Response To Potassium Fertilization, Maria Paula Ramos Do Prado

Graduate Theses and Dissertations

Potassium (K) deficiency is a common yield-limiting factor in cotton (Gossypium hirsu tum L.) production across the U.S. Cotton Belt. Adequate fertilizer-K management is paramount to ensure optimum plant growth and development, minimizing yield losses. Currently, fertilizer K recommendations for cotton in Arkansas are derived from expected yield responses of other crops, with no calibrated fertilizer-K rates or critical tissue-K concentrations defined to maxim ize crop yield. Our research objectives were i) to investigate cotton yield response and fiber qual ity to K fertilization on soils with different K availability; ii) to correlate relative yield with tis sue-K concentrations at …

Cross-Cultural Adaptation And Validation Of Ranas-Based Instrument For Measuring Latrine Use Behavior In Indonesia, Vera Yulyani, Fatwa Sari Tetra Dewi, Iswanto Iswanto

Kesmas

Using toilets is a simple way to prevent diarrhea, yet no validated tool exists to measure this habit. This study aimed to develop and validate instruments for measuring latrine use consistency. This questionnaire was adapted from the risk, attitude, norm, ability, and self-regulation (RANAS) framework developed in India and modified for Indonesia. It was evaluated by three experts using the content validity index (CVI). The face validity index (FVI) was pilot-tested on 40 community respondents. Variables measured included behavior, habits, intentions to use toilets, knowledge, attitudes, norms, abilities, and self-regulation. Question items with relevance and clarity scores of item CVI …

Effects Of Sample Drying Method On Estimates Of Nutritive Value Value, S Uchida, H Hayashi, T Horigome

IGC Proceedings (1977-2023)

The influence of different drying methods for the sample used for analysis on the estimates of the nutritive value of silage was investigated. The silages and hay were made from the same grass and fed to three wethers to determine digestibilities. The samples for analytical use of silages and hay fed, and feces excreted, were prepared by three drying techniques of freeze drying (F), oven drying at 60 C (L) and oven drying at 100 C (H) and then each dried sample was ground in a Wiley mill to pass a 0.5 mm screen. The residual moisture in prepared samples …

Effect Of Remaining Brown Juice In Wet Protein Curd On The Quality Of Leaf Protein After Drying, Y S. Cho, J K. Kim, T Horigome, S Uchifa

IGC Proceedings (1977-2023)

The influence of remaining brown juice ( deproteinised juice) in wet protein curd on the quality of resulting leaf protein was examined. Freshly cut Italian ryegrass and red clover were fractionated into protein curd, brown juice and pressed cake. Various leaf proteins were prepared by drying the protein curds retaining different amounts of brown juice at 65°C followed by acetone-washing, and by immediate acetone-washing of the protein curd. Casein-brown juice mixtures at the ratio of 1 :3 and 1: 6 were also prepared. The crude protein content of the dry matter in brown juice was very low, 9. 9% for …

The Nutritive Value Of Mixtures Of White Leaf Protein And Other Food Proteins, R Carlsson, P Hanczakowski

IGC Proceedings (1977-2023)

The nutritive value of white leaf proteins were studied, as food supplements. The protein was obtained by heat­fractionation ( Chenopodium quinoa Willd.) or by de-pigmentation (Medicago sativa L. ). The leaf protein was substituting 50% of the protein in a diet, where the remaining 50% came from wheat gluten, soya bean meal, bone-meat meal, fish meal, skim milk or whey. The nutritive value was estimated by the Thomas-Mitchell nitrogen balance method. The proximate chemical composition of the food protein products, and their amino acid composition were analysed. In every mixture but the one with gluten the biological value was higher …

Effect Of Contamination By Aspergillus Flavus On The Nutritive Value Of Leaf Protein Concentrate Of Leucaena Leucocphala During Storage, H T. Ostrowski-Meissner, I Komang, W Supratman, I Barchia, S Cacang

IGC Proceedings (1977-2023)

Leaf protein concentrate extracted from tree legume Leucaena leucocephala cultivar Cunningham (LLP) was stored under humid tropical conditions (24-28°C and 84-92% rh) in the form of wet cake during a 10 day period. Samples of LLP were taken every second day for chemical analyses and protein quality assays. The effect of storage on dried LLP was also assessed against two control proteins: peanut meal (PNM) and fish meal (FM), either free of aflatoxins or infected by the aflatoxigenic fungus Aspergi_llus flavus to the level 280 mcg aflatoxin B1 equivalent/kg. Storage of wet LLP under such conditions resulted in infestation by …

Effect Of Drying Methods On The Nutritive Value Of Leaf Protein Concentrates Coagulated By Acidification, Heat Or Anaerobic Fermentation, M Ohshima

IGC Proceedings (1977-2023)

SUMMARY To determine the effect of heat-treatments on the nutritive value of leaf protein concentrate(LPC), several LPCs prepared by different procedures were fed to rats. The nutritive value of ladino clover LPC separated centrifugally from acidified juice and freeze-dried was compared with that of LPC prepared from the same acidified juice by heating to 70°C with an electric heater before the centrifugation and oven-dried at 70°C. The heat-treatments reduced not only the apparent digestibility of crude protein by 5%, but also the nutritionally available lysine content of LPC. Response of rats to lysine supplementation in addition to methionine was observed …

Effect Of Anaerobic Fermentation Of Plant Juice On The Yield And The Nutritive Value Of Leaf Protein Concentration, M Ohshima, H Ueda

IGC Proceedings (1977-2023)

Effect of treatments of plant juice on the yield and nutritive value of leaf protein concentrate (LPC) was studied with special reference to anaerobic fermentation using lucerne and Italian rye grass as the materials. Lucerne juice was .subdivided into three portions. The two portions were heated to 70°C immediately or after being adjusted to pH 8 with NaOH. The other portion was anaerobically fermented for 7 days. One half of ryegrass juice was heated to 70°C after being adjusted to pH 4 with HCI and the other half was submitted to the fermentation. After the treatments, each juice was centrifuged …

Protein Production From Tobacco Plants Iii: Pilot Plant Extraction, P Fantaozzi, A Sensidoni, R Bortolomeazzi

IGC Proceedings (1977-2023)

The goals of the present study are: (1) to find a technology for the extraction of valuable proteins from tobacco at a pilot plant level. (2) to optimize such a technology with some modifications of the original idea; Results are shown related: (1) to the distribution of Proteins in the various fractions obtained during the extraction; (2) to the effect of some additives on the final protein yields and characteristics. To allow that the process would be economical qualitatively and quantitatively, the authors suggest an optimization of the extraction yield and a better purification of the final products from contaminants …

Social Trends Emerging In A Mexican Village Community Involved In A Leaf Nutrient Supplementation Project Offered As Nutritional Intervention Scheme, T M. Ostrowski-Meissner, H T. Ostrowski-Meissner

IGC Proceedings (1977-2023)

Social analysis of the leaf nutrient supplementation (LNS) project using protein concentrate from alfalfa in a Mexican village (Saltillo) has been made in an attempt to identify the social trends associated with the community's involvement with protein extraction from green vegetation as a nutritional intervention scheme. Through preliminary on site observation and review of available scheme records, emergent social trends were identified in:

1. the voluntary diversification of nutritional habits,

2. an extension of health services for the community, and

3. subtle change within the village social milieu. The suitability of the LNS project is discussed, and areas for further …

Assessing The Nutritive Value Of Proteins Extracted From Leucaena Leucocephala: A Comparison Of In Vivo And In Vitro Assays, H T. Ostrowski-Meissner, W Supratman, I Komang

IGC Proceedings (1977-2023)

A comparison was made of in vitro and in vivo methods for the evaluation of protein quality in protein concentrates from leaves (LPC) of tree legume leucaena (Leucaena leucocephala) cultivars Cunningham and Peru grown in Indonesia and harvested during dry and wet seasons. Unfractionated protein concentrates were recovered by steam coagulation at either 85°C or 55°C (within 5 min of maceration and dejuicing). The leaves were evaluated using a number of in vitro and in vivo methods recommended for assessing food and feed grade proteins. In vitro methods used in this study tended to over-estimate the quality of leucaena …

Prediction Of The Nutritive Value Of Fresh Herbage In The Uk, A H. Adamson, D I. Givens, W P. Barber

IGC Proceedings (1977-2023)

The prediction of the nutritive value of fresh herbage in the UK is currently based on the measurement of modified acid detergent fibre (MADF). The prediction equations used are derived from in vivo measurements made up to 1969. Subsequently Barber et al. (1984) published data on the suitability of a range of predictors indicating the superiority of the neutral detergent fibre cellulase (NCD) technique over MADF. However, this information was based on experiments carried out in one laboratory and variability between laboratories in the measurement of the predictor is an important factor when deciding which predictor is most suitable for …

The Evaluation Of Fresh Herbage In The Uk, D I. Givens, A H. Adamson, W P. Barber

IGC Proceedings (1977-2023)

A large programme of work has been undertaken by the Nutrition Chemistry Feed Evaluation Unit between 1980 and 1984 to examine temporary grasses and permanent pasture from sites covering England and Wales. The aims of the work reported here have been to provide new digestibility and energy metabolism data and to compare it with that which would have been predicted by the equations in current use in the UK based on modified acid detergent fibre. A total of 131 samples of temporary grass and 40 samples of permanent pasture have been examined in metabolism trials with wether sheep. All trials …

Raising Efficiency Of Solar Energy Utilization By Tall Fescye (Festuca Arundinacea Schreb.) Through Optimization Of Nutritive, Water Regimes And Clipping Frequency, V P. Spasov, D S. Kornyshev

IGC Proceedings (1977-2023)

Agroclimatic resourses of the North-West of the USSR allow to produce up to 10 t/ha of grasses dry matter and to accumulate up to 2.4% of photosynthetic active radiation (PhAR) in the yield for vegetation period. We proved experimentally the possibility of increasing yielding capacity up to 16 t/ha of dry matter and PhAR indices up to 3% through establishment of tall fescue Occidental grass stands with 1900-2000 shoots per m2, optimization of nutritive (N480 P130 K360), water (0.75 MVC-1.0 MWC) regimes and through clipping frequency (3 cuts). During vegetation period, such grass stands had a powerful assimilation mechanism: leaf …

Mutual Influence Of Temperate Legumes And Grasses Grown In Association At Different Nitrogen Levels, E Meister, J Lehmann

IGC Proceedings (1977-2023)

In grass/legume associations white clover (Trifolium repens), red clover (Trifolium pratense) and alfalfa (Medicago sativa) contribute significantly to the nutritive value of such mixtures. Compared to Italian ryegrass (Lolium italicum), perennial ryegrass (Lolium perenne) and orchard grass (Dactylis glomerata ), the legumes have an inherently higher content of protein, magnesium and calcium. In addition they indirectly help to improve the quality (protein and mineral content) of the companion grass, presumably over a nitrogen transfer from the legume to the grass partner: On the other hand, the chemical composition of these …