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Failure-mode index

Search what already failed

A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.

20261 results in Negative / Null Result Report · page 524 of 676

Negative / Null Result ReportOpen accessOrthopedic surgery

Lateral extra‐articular tenodesis improves functional movement outcomes in ACL reconstruction patients

Luyckx Thomas, Wen Zhishen, Kluyskens Louis et al. · 2025 · Journal of Experimental Orthopaedics

Abstract Purpose The primary aim was to evaluate the functional impact of adding lateral extra‐articular tenodesis (LET) to an anterior cruciate ligament (ACL) reconstruction (ACLR). The secondary aim was to assess whether LET provides benefits in muscle strength, patient‐reported outcome measures (PROMs) and return to sport (RTS) pass rate, as well as to examine the influence of meniscal injury on performance in ACLR patients. Methods A retrospective cohort of prospectively collected data on all ACL procedures was performed at AZ Delta Roeselare between 2017 and 2019. The patients followed a

View details →DOI: 10.1002/jeo2.70269
Negative / Null Result ReportOpen accessPublic aspects of medicine

Research on the Healing Potential of Rural Community Streets From the Perspective of Audiovisual Integration: A Case Study of Four Rural Communities in China

Erkang Fu, Yuxin Ren, Xi Li et al. · 2022 · Frontiers in Public Health

Rural communities have become a hot topic in academic circles because of their graceful natural environment and great healing potential. However, existing research still lacks attention to the street space in rural communities and rarely considers its integrated visual and soundscape design in terms of their effect on public health. As a result, the healing potential of rural community streets cannot be fully used in design practice. Relevant audiovisual materials were collected from a field investigation in four rural communities in southwestern China. Based on these data, the subjective and

View details →DOI: 10.3389/fpubh.2022.861072
Negative / Null Result ReportOpen accessPsychology

The Effects of Bilateral and Ipsilateral Auditory Stimuli on the Subcomponents of Visual Attention

Jing Fu, Xuanru Guo, Xiaoyu Tang et al. · 2021 · i-Perception

Attention contains three functional network subcomponents of alerting, orienting, and executive control. The attention network test (ANT) is usually used to measure the efficiency of three attention subcomponents. Previous researches have focused on examining the unimodal attention with visual or auditory ANT paradigms. However, it is still unclear how an auditory stimulus influences the visual attention networks. This study investigated the effects of bilateral auditory stimuli (Experiment 1) and ipsilateral auditory stimulus (Experiment 2) on the visual attention subcomponents. We employed a

View details →DOI: 10.1177/20416695211058222
Negative / Null Result ReportOpen accessAnimal culture

Slaughter value and meat quality in two strains of polish crested cockerels

Andrzej Węglarz, Krzysztof Andres, Dorota Wojtysiak · 2020 · Italian Journal of Animal Science

With increasing consumer awareness of animal welfare, and also on humanitarian grounds, the search is on to find the possibility of using slow-growing cockerels, which are becoming an alternative for conventional broilers. Therefore, the aim of this study was to evaluate slaughter value and meat quality in two new strains of Polish Crested cockerels: CP-11 (40 birds) and CP-22 (40 birds) which were raised for 25 weeks on a finishing diet based on whole wheat and oat grain. Carcase quality parameters (carcase weight, dressing percentage, leg and breast muscle percentage) were evaluated. Moreove

View details →DOI: 10.1080/1828051x.2020.1772132
Negative / Null Result ReportOpen accessVeterinary medicine

Sonographic Assessment of Fetometric Parameters in Pigs of Different Prolific Genotypes for Gestational Age Estimation

Frauke Janelt, Johannes Kauffold, Haukur Lindberg Sigmarsson et al. · 2026 · Animals

The slaughter of pregnant sows remains a relevant concern in modern swine production, with prevalence rates reported from 1.5–13% in Europe. Considering fetal sensitivity during late gestation and legal restrictions on transport and slaughter, reliable assessment of fetal age is of considerable practical, ethical, and legal relevance. In this study, 70 pregnancies from low-prolificacy (purebred German Saddleback) and medium-to-high prolificacy genotypes (purebred German Landrace and Duroc × German Landrace hybrids) were repeatedly examined using transabdominal ultrasonography, with a total of

View details →DOI: 10.3390/ani16020349
Negative / Null Result ReportOpen accessSocieties: secret, benevolent, etc.

FRICTION COEFFICIENT OF RECYCLED RUBBER TILES OF DIFFERENT POROSITY

A. M. Samy, Y. M. El-Sherbiny, W. Y. Ali · 2013 · Journal of the Egyptian Society of Tribology

ABSTRACTThe present study discusses the frictional behaviour of porous recycled rubber used for a wide variety of architectural applications as flooring tiles. This type of flooring tiles, of the relatively high resilience, are used in schools, boutiques, hospitals, offices, conference rooms, homes, trade fair stands and homes for the aged. Experiments were carried out by the sliding of the bare foot and rubber footwear against the tested rubber tiles of different porosity, where friction coefficient was tested. A test rig was designed and manufactured for the test. Loads were applied by foot

View details →DOI: 10.21608/jest.2013.80554
Negative / Null Result ReportOpen accessAgriculture

Effect of storage conditions on the formation of type A and B trichothecenes in cereal products

Piotr Pokrzywa, Ewa Cieślik, Magdalena Surma · 2019 · Annals of Agricultural and Environmental Medicine

Introduction and objective Mycotoxins are toxic metabolites produced by certain types of fungi, causing pathological changes in humans and animals. The aim of this study was to assess the degree of contamination of selected cereal grains, bran and cereal products intended for children, with mycotoxins using GCxGC-TOF-MS technique. The study involved mycotoxins belonging to the type A and B trichothecenes group, including T-2 toxin (T-2), HT-2 toxin (HT-2), scirpenol (SCI), 15-monoacetoxyscirpenol (15-MAS), diacetoxyscirpenol (DAS), triacetoxyscirpenol (TAS), fusarenon-X (FUS-X), nivalenol (NIV

View details →DOI: 10.26444/aaem/103398
Negative / Null Result ReportOpen accessIndustrial safety. Industrial accident prevention

Effects of in-car CO2 concentration on driving: a preliminary study with taxi drivers

Kan Shimazaki, Yo Ishigaki, Kazunori Hayashi et al. · 2025 · Environmental and Occupational Health Practice

Objectives: To evaluate the effects of carbon dioxide (CO2) concentrations in automobiles on driving performance. Methods: A driving simulator experiment was conducted with eight taxi drivers. The experiment was conducted under low CO2 concentration (<500 ppm) and high CO2 concentration (5,000 ppm) conditions. To evaluate driving performance and cognitive function, three measures were employed: a two-back task, an LED response task, and a driving assessment. The driving assessment used scoring criteria from the driving license proficiency test. Results: Poisson regression analysis showed that

View details →DOI: 10.1539/eohp.2025-0001
Negative / Null Result ReportOpen accessDentistry

Fracture resistance of pulpotomized primary molars restored with three types of composite resins with and without fiber-reinforcement

Zahra Bahrololoomi, Farnaz Farahat, Shirin Pajouhande et al. · 2025 · Journal of Dental Materials and Techniques

Objective: Coronal restoration of pulpotomized primary molars plays a vital role in ensuring the long-term success of the treatment. This study aimed to evaluate the effect of fiber reinforcement on the fracture resistance of pulpotomized primary molars restored with flowable or paste bulk-fill composite resins in comparison to a conventional composite resin.Methods: In this in vitro experimental study, 48 primary molars were randomly allocated into six groups (n=8). The teeth were pulpotomozed and restored with the following materials: Group 1: Conventional composite resin, Group 2: Fiber+ co

View details →DOI: 10.22038/jdmt.2025.89922.1863
Negative / Null Result ReportOpen accessPlant culture

Effects of the NLA ( Narrow Leaf Angle ) Gene on Plant Architecture and Fruit Quality of Tomato

Haoran Wang, Ping Li, Ying Han et al. · 2026 · Horticulturae

To clarify the regulatory mechanism of NLA on tomato plant architecture and fruit quality, wild-type (WT), nla mutant (narrow leaf angle), and NLA overexpression lines (OE1, OE2) were used as materials, and the study was carried out through genetic analysis, phenotypic and quality determination, and gene expression analysis. The results showed that the tomato leaf angle is controlled by a single gene with semi-dominant inheritance. The nla mutant forms a compact plant architecture due to reduced cell volume at the leaf angle. During vegetative growth, it exhibited significantly increased plant

View details →DOI: 10.3390/horticulturae12050540
Negative / Null Result ReportOpen accessEducation (General)

Understanding the adoption of educational AI tools in Sub-Saharan African higher education: a theory of planned behaviour-based analysis

Ishfaq Ahmad Malik, Seid Ahmyaw Adem, Adil Rasool · 2025 · Cogent Education

Based on the Theory of Planned Behaviour (TPB), this study examines the interplay between perceptions of educational artificial intelligence (EdAI) tools—specifically their perceived benefits, hedonic motivation, weaknesses, and risks—interact with TPB constructs (attitude, subjective norms, and perceived behavioural control) in shaping adoption intentions. Using a quantitative design, data were collected through an online survey of 344 students from higher education institutions (HEIs) in Sub-Saharan Africa (SSA). Partial Least Squares Structural Equation Modelling (PLS-SEM) was employed to t

View details →DOI: 10.1080/2331186x.2025.2546126
Negative / Null Result ReportOpen accessChemistry

A Practical Approach for Measuring Chemical Oxygen Demand (COD) of Fats, Oils, and Grease (FOG) Using Tween 80 in Wastewater

Naveed Ahmed, Andrea Straub · 2025 · ChemEngineering

This study aims to estimate the organic load of oily wastewater by using Chemical Oxygen Demand (COD) measurements, addressing the analytical challenges posed by the hydrophobic, nonpolar, and often emulsified nature of Fats, oil and grease (FOG). This study established a reproducible and practical methodology for measuring COD in wastewater containing FOG at a laboratory scale, utilizing the nonionic surfactant T80 as a solubilizing and emulsifying agent. Precise gravimetric methods were employed to measure the mass of T80 (indirectly from volume (100–1400 µL/L)) added, and its correlation wi

View details →DOI: 10.3390/chemengineering9060138
Negative / Null Result ReportOpen accessAgriculture (General)

Root, Yield, and Quality of Alfalfa Affected by Soil Salinity in Northwest China

Yuan Qiu, Yamin Wang, Yaqiong Fan et al. · 2023 · Agriculture

Growing crops in salt-affected soils has become increasingly important for sustainable development in arid and semi-arid regions. Knowledge on the responses of alfalfa root development, yield, and quality to soil salinity is critical for assessing the productivity and profitability of salt-affected soils. A field experiment with a total of six treatments combining three soil salinity levels and two biosolids fertilizer levels was conducted in 2018 and 2019 in northwest China. For salinity treatments, the salt addition rates were 2‰, 4‰, and 6‰ of 0–60 cm soil dry weight, while a commercial bio

View details →DOI: 10.3390/agriculture13040750
Negative / Null Result ReportOpen accessPsychology

The Relationship Between Parenting Styles and Children’s Prosocial Behavior: The Mediating Role of Children’s Emotional Intelligence

Siqi Zhang, Ping Wang, Weichen Wang et al. · 2026 · Behavioral Sciences

Prosocial behavior is an important manifestation of socialization in young children. As the primary setting for socialization of young children, the family bears the significant responsibility of fostering prosocial behavior in young children. Drawing on family systems theory and Goleman’s emotional intelligence theory, the purpose of this study was to investigate the relationship between parenting styles and children’s prosocial behavior and the mediating role of children’s emotional intelligence in it. In this study, an online questionnaire was distributed to 869 young children’s parents usi

View details →DOI: 10.3390/bs16010155
Negative / Null Result ReportOpen accessBanking

PENGARUH VARIABEL KEPUASAN, KEPERCAYAAN, DAN KOMITMEN AFEKTIF TERHADAP PERPINDAHAN NASABAH DI SURABAYA

Andri Rachmad Setiawan, Aniek Maschudah Ilfitriah · 2012 · Journal of Business & Banking

It is a fact that banking services industry is certainly difficult to determine because of the quality of the product which is naturally intangible. In general, customers need the creation is sustainable. Yet, it is not an easy task for us because changes can occur at any time, whether the change in customer’s tastes or psychological aspects also followed by the changes in environmental conditions that affect aspects of their psychological, social and cultural backgrounds. This study was conducted at Bank BCA Surabaya whose objectives as the following: such as to analyze (1) the effect of affe

View details →DOI: 10.14414/jbb.v2i1.167
Negative / Null Result ReportOpen accessAnimal culture

Effect of Digestible Protein and Sulfur Amino Acids in Starter Diet on Performance and Small Intestinal (Jejunum) Morphology of Broilers

Avisa Akhavan khaleghi, Abolghasem Golian, Ahmad Hasan Abadi et al. · 2016 · پژوهشهای علوم دامی ایران

Introduction Protein is an essential constituent of all tissues of animal body and has major effect on growth performance of the bird. A better understanding of the nutritional requirements of amino acids allows a more precise nutrition, offering the possibility for the formulator to optimize the requirement of at least minimum levels of crude protein by essential amino acids requirements, generating better result and lower costs for the producer. Methionine + Cystine (total sulfur amino acid = TSSA) perform a number of functions in enzyme reactions and protein synthesis. Methionine is an esse

Negative / Null Result ReportOpen accessBusiness

GREEN DELIVERIES ON A BUDGET: HOW SUSTAINABILITY AND COST SHAPE VIETNAMESE E-COMMERCE CONSUMER CHOICES

Shojaei Seyed Amirhossein, Pakgohar Alireza, Tran Do Y Vy · 2026 · ECONOMICS

This exploratory research provides a study to examine the relationships between perceived sustainability (PS) and perceived cost (PC) on consumer attitudes (AT), intention to use (IU), and actual choice of delivery methods (DM) in e-commerce in Vietnam under Stimulus-Organism-Response (S-O-R) framework. PS has a positive effect on AT, indicating that there is increasing ecological awareness, while PC has a negative effect on AT, indicating cost sensitivity. AT is a strong predictor of IU, but IU has little influence on DM. Instead, AT causes behaviour, and so the latter one suggests intrinsic

View details →DOI: 10.2478/eoik-2026-0026
Negative / Null Result ReportOpen accessFinance

The mediating effect of perceived value on customer loyalty of BMT NU Jawa Timur

Mohamad Mondir, Siti Habibatur Rahma · 2024 · Review of Islamic Social Finance and Entrepreneurship

Purpose – The purpose of this research is to analyze and examines the effect of Islamic marketing mix, service quality and product quality towards BMT NU Jawa Timur’s customer loyalty with perceived value as mediating variable Methodology – This study is a quantitative research with 200 samples from BMT NU Jawa Timur’s customers. It uses non-probality sampling, and data collected will be analyzed with the help of SPSS software to obtain statistical correlation and regression techniques (validity test, reliability test, classic assumption test, path analysis, t-test, and trimming test). Finding

Negative / Null Result ReportOpen accessPlant ecology

Influence of Mango Cultivars on the Population Density of the White Mango Scale Insect, Aulacaspis tubercularis (Homoptera: Diaspididae) in Damietta Governorate

T. Ata, S. Awadalla, M. Bayoumy et al. · 2025 · Journal of Plant Protection and Pathology

The white mango scale insect, Aulacaspis tubercularis (Diaspididae: Homoptera), is one of the most destructive pests affecting mango trees in Egypt. This study investigates the impact of different mango cultivars on the population dynamics of this insect in New Damietta mango orchards during the 2022 and 2023 seasons. The effects of natural enemies and weather factors, including mean temperature (°C), relative humidity (%), tree orientation, and seasonality, were analyzed. The findings revealed three annual population peaks of A. tubercularis, occurring in February, May, and August across diff

View details →DOI: 10.21608/jppp.2025.358702.1313
Negative / Null Result ReportOpen accessMedicine (General)

Do Preferred Risk Formats Lead to Better Understanding? A Multicenter Controlled Trial on Communicating Familial Breast Cancer Risks Using Different Risk Formats

Henneman L, van Asperen CJ, Oosterwijk JC et al. · 2020 · Patient Preference and Adherence

Lidewij Henneman,1 Christi J van Asperen,2 Jan C Oosterwijk,3 Fred H Menko,4 Liesbeth Claassen,5 Dani&euml;lle RM Timmermans5 1Department of Clinical Genetics, Amsterdam UMC, Vrije Universiteit, Amsterdam, the Netherlands; 2Department of Clinical Genetics, Leiden University Medical Center, Leiden, the Netherlands; 3Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; 4Family Cancer Clinic, Netherlands Cancer Institute, Amsterdam, the Netherlands; 5Department of Public and Occupational Health, Amsterdam UMC, Vrije Universiteit, Amster

Negative / Null Result ReportOpen accessPersonnel management. Employment management

The effect of creativity and innovative behavior on competitive advantage in womenpreneur

Retno P. Setyaningrum, Muafi Muafi · 2022 · SA Journal of Human Resource Management

Orientation: Indonesia is currently in the industrial revolution 4.0 and 5.0. Woman entrepreneurs must be able to increase creativity, innovative behaviour and trust in digital technology to have sustainable competitive advantage for their firm. Research purpose: This study aimed to examine and analyse the impact of creativity and innovative behaviour on competitive advantage mediated by trust in digital technology for women entrepreneurs. Motivation for the study: The literature of creativity, innovative behaviour, trust in digital technology and competitive advantage is still limited in wome

View details →DOI: 10.4102/sajhrm.v20i0.2069
Negative / Null Result ReportOpen accessNutrition. Foods and food supply

Effects of N-acetylcysteine on aging cell and obesity complications in obese adults: a randomized, double-blind clinical trial

Mohammad Hassan Sohouli, Ghazaleh Eslamian, Nasser Malekpour Alamdari et al. · 2023 · Frontiers in Nutrition

BackgroundWe decided to conduct this study with the aim of investigating the effects of N-Acetylcysteine (NAC) on obesity complications and senescence of visceral adipose tissue in obese adults.Methods and analysisThe present study was conducted as a randomized clinical trial (RCT) (Clinical trial registry number: IRCT20220727055563N1) on 40 obese adults candidates for bariatric surgery, who were randomly assigned to receive 600 mg of NAC (n = 20) or placebo as a control (n = 20) for 4 weeks. During bariatric surgery, visceral adipose tissue was used to examine gene expression and senescence c

View details →DOI: 10.3389/fnut.2023.1237869
Negative / Null Result ReportOpen accessOphthalmology

Effects of preoperative doses of betamethasone acetate 0.1% on dry eye control after cataract surgery

Saeed Shokoohi-Rad, Seyedeh Zeinab Hashemi Javaheri, Fatemeh Zare Malekabad et al. · 2020 · Indian Journal of Ophthalmology

Purpose: The aim of the present study was to compare the effects of the preoperative doses of betamethasone acetate 0.1% and placebo on controlling dry eye after cataract surgery. Methods: This randomized triple-blind clinical trial was conducted on 62 patients. For the purpose of the study, the participants were assigned into two groups of betamethasone (n = 28) and placebo (n = 34). The groups were administered with drops A or B three days before the operation, four times a day. These drops contained either betamethasone 0.1% or normal saline (placebo). Postoperative follow-up was performed

View details →DOI: 10.4103/0301-4738.278367
Negative / Null Result ReportOpen accessMicrobiology

The Effect of Dexamethasone-Mediated Atrophy on Mitochondrial Function and BCAA Metabolism During Insulin Resistance in C2C12 Myotubes

Kayla J. Ragland, Kipton B. Travis, Emmalie R. Spry et al. · 2025 · Metabolites

Background : Muscle loss during sarcopenia and atrophy is also commonly associated with age-related insulin resistance. Interestingly, branched-chain amino acids (BCAA) which are known for stimulating muscle protein synthesis are commonly elevated during insulin resistance and sarcopenic obesity. Objectives : This study investigated the effects of the interplay between atrophy and insulin resistance on insulin sensitivity, mitochondrial metabolism, and BCAA catabolic capacity in a myotube model of skeletal muscle insulin resistance. Methods : C2C12 myotubes were treated with dexamethasone to i

View details →DOI: 10.3390/metabo15050322
Negative / Null Result ReportOpen accessBusiness

Pengaruh Kualitas Layanan, Ketersediaan Produk Wisata, Citra Destinasi Terhadap Kepuasan dan Loyalitas Destinasi Kampung Karuhun Sumedang

Rina Trisnawati, Nono Wibisono · 2022 · Jurnal Bisnis dan Kewirausahaan

Sumedang Regency is an area that has various types of tourist attractions but tourist visits to Sumedang fluctuate every year. One of the attractions in Sumedang is Kampung Karuhun which still needs improvement in several aspects. This study aims to identify the influence of the relationship of service quality, tourism product availability, destination image, consumer satisfaction and destination loyalty in Kampung Karuhun Sumedang. The research method used is a quantitative approach using a survey tool in the form of a questionnaire. This study collected data as many as 355 respondents. The a

View details →DOI: 10.31940/jbk.v18i3.238-247
Negative / Null Result ReportOpen accessEducation

An evaluation of teachers' performance on gender and work experience with the charlotte danielson evaluation model

Lovely Ezverenzha Lelatobur, Daniel Herman Ferdy Manongga, Ade Iriani · 2024 · Jurnal Penelitian dan Evaluasi Pendidikan

The performance teachers in the preliminary study still use teacher-centred methods, both teachers who have received certification and those who have not. On the other hand, the evaluation in schools is still on teacher performance related to learning design and the learning process in the class. Therefore, social, personality and professional competencies are still less reviewed. The purpose of this study is to evaluate teachers' performance based on their gender and work experience in public senior high schools in Maluku Barat Daya (MBD) district. Four main components were used to assess tea

View details →DOI: 10.21831/pep.v28i1.67533
Negative / Null Result ReportOpen accessAgriculture

Impact of irrigation during flowering and fruit growth on fruit yield and quality of the cactus Opuntia spp.

Mohamed ARBA, André FALISSE, Redouane CHOUKR-ALLAH et al. · 2021 · Acta Agriculturae Slovenica

Most plantations of cactus pear are not irrigated in Morocco and fruits are tiny. The impacts of irrigation during flowering (FLO) and fruit growth (FRG) on fruit yield and quality were monitored along two years on three varieties of cactus pear. In 2011, irrigation treatments were: T1 (0 mm), T2 (30 mm during FLO and 30 mm during FRG) and T3 (30 mm during FRG only). In 2012, irrigation treatments increased to 60 mm during FLO and FRG. The irrigation treatments were applied in 8 (T3) or 16 (T2) watering, once every three days. Interactions between varieties and treatments were significant for

View details →DOI: 10.14720/aas.2021.117.2.1854
Negative / Null Result ReportOpen accessAnimal culture

Early-age feed restriction affects viability and gene expression of satellite cells isolated from the gastrocnemius muscle of broiler chicks

Li Yue, Yang Xiaojing, Ni Yingdong et al. · 2012 · Journal of Animal Science and Biotechnology

Abstract Background Muscle growth depends on the fusion of proliferate satellite cells to existing myofibers. We reported previously that 0–14 day intermittent feeding led to persistent retardation in myofiber hypertrophy. However, how satellite cells respond to such nutritional insult has not been adequately elucidated. Results One-day-old broiler chicks were allocated to control (Con, ad libitum feeding), intermittent feeding (IF, feed provided on alternate days) and re-feeding (RF, 2 days ad libitum feeding after 12 days of intermittent feeding) groups. Chickens were killed on Day 15 and sa

View details →DOI: 10.1186/2049-1891-3-33
Negative / Null Result ReportOpen accessAgriculture (General)

Water absorbent polymer in sugarcane crop Polímeros hidroabsorventes em cultura canavieira

Tadeu A. Marques, Patricia A. A. Marques, Marcos W. Suriani et al. · 2013 · Engenharia Agrícola

The water absorbent polymer effect on vegetative growth and production of Theoretical Recovery Sugar (TRS) of sugarcane cv. RB 86 7515 was evaluated on two field tests installed in randomized blocks, with four treatments and five repetitions. The polymer doses were 0; 4; 8 and 12 g m-1 of furrow (test 1) and 0; 1.4; 2.8 and 4.2 g m-1 of furrow (test 2). Test 1 (dec/2007 to may/2009) was implanted in a Distroferric Red Argisol soil in Presidente Prudente - State of São Paulo (SP), Brazil; and the test 2 (Aug/2008 to Aug/2009) was implanted in a Red Yellow Argisol soil in Lucélia - State of São

Negative / Null Result ReportOpen accessBiochemistry

Nutrition status of greenhouse tomato grown in intert media. Part I. Macroelements

Piotr Chohura, Andrzej Komosa · 2003 · Acta Scientiarum Polonorum: Hortorum Cultus

In the experiments carried out in the years 1998-1999 the effect of inert media and fertilization levels on the nutrition status of greenhouse tomato cv. ‘Maeva F1’ was investigated. Two feeding solutions were used: I, containing (in mg dm-3): N-NO3 – 189, P – 62, K – 371, Ca – 190, Mg – 49, Fe – 0.84, Mn – 1.87, B – 0.32, Zn – 2.01, Cu – 0.048, Mo – 0.048, pH 5.5, EC – 3.2 mS cm-1; and solution II with the concentration increased by 20%, and three inert media: rockwool (Grodan), polyurethane foam (Inert) and expanded clay (granulation 4–8 mm). In the index parts of the tomato (9–10 leaf from

View details →DOI: 10.24326/asphc.2003.2.1