Application of poultry manure and the effect on growth and performance of potted Moringa (Moringa oleifera Lam) plants raised for Urban dwellers’ use
September 2015
The study was carried out in the University of Nigeria, Nsukka, Nigeria from 2010 to 2011 to assess the effect of poultry manure application on growth and performance of potted moringa (Moringa oleifera Lam) plants raised for urban dwellers’ use. Application of five and 10 tonnes/ha of poultry manure to the soil medium ensured consistent increase in the plant height, stem girth, internode length, number of leaves...
Fatty acid profiles and parameters of quality of specialty coffees produced in different Brazilian regions
August 2015
Although fatty acids are known to be important components of coffee flavor and aroma, no study relating such compounds to the quality of coffee has been conducted. Considering the importance of attaining maximum flavor and aroma in specialty coffees, we aimed to investigate the relationship between the fatty acid composition and sensory characteristics of different Bourbon genotypes cultivated under different...
Effect of nitric oxide on some morphological and physiological parameters in maize exposed to waterlogging stress
August 2015
Out of 28 genotypes (inbred lines) of maize (Zea mays L.) one waterlogging resistant (HUZM-265) and a susceptible (HUZM-55) were identified on the basis of waterlogging tolerant coefficient (WTC) by imposing waterlogging stress during early growth phase. Selected genotypes were further grown in pots and after 20 days subjected to root zone waterlogging with or without 50, 500 and 2000 µmol L-1 sodium nitroprusside...
Germination, vigor, and fungi incidence in melon seeds treated with Thiabendazole
August 2015
Chemical treatment is known to effectively eradicate or at least reduce the presence of fungi in seeds. However, this treatment should not impair seed quality. The purpose of the present study was to evaluate the physiological and sanitary quality of Cozumel hybrid melon seeds treated with the fungicide Thiabendazole. The experiments were conducted under a completely randomized design, consisting of 15 treatments in a...
Performance of American lettuce under different plant covers for no-tillage system
August 2015
This study aimed to evaluate the agronomic performance of American lettuce "Lucy Brown" in different types of straw from dried cover crops, for a no-tillage system, under the climatic conditions of Campo Grande (Mato Grosso do Sul state, Brazil). The experiment was set up in a randomized block design with five treatments and six replications, totalizing 30 plots. The treatments were: T1 (control) - planting...
Top-dressing nitrogen management decision in potato using the “UFV-80†color chart and SPAD readings
August 2015
The chlorophyll meter (SPADâ€502) and “UFV-80” color chart can be used to diagnose the nitrogen (N) nutritional status of potato plants to determine the need for fertilizerâ€N topdressing. The present investigation was focused on how chlorophyll meter and “UFV-80” color chart help in determining optimal N management through real time N application for improving yield and profitable rate in...
Accelerated ageing test to study the relative storage potential of hybrid sunflower-RSFH-130(Helianthus annuus)
August 2015
Deterioration of oil seeds is more rapid when compared to the other crop seeds, the deterioration will depend on the chemical composition of the seed and also storage environment. Accelerated ageing (a.a) is one test to study the storage potential of the seeds where the seeds have been exposed to the artificial ageing conditions such as the different relative humidity and temperature. Sunflower hybrid seeds are exposed...
A preliminary study of the orange (Citrus sinensis) fruit value-chain in Chimanimani Rural District, Zimbabwe
August 2015
The study identified the players in the sweet orange value-chain and interviewed them to quantify postharvest losses incurred along the sweet orange value-chain in Rusitu Valley. A sample of 100 farmers in Rusitu Valley was selected using a snow balling sampling technique. A Value-Chain Priority Test was conducted to determine farmers’ priorities between oranges and bananas using a five point hedonic-scale....
Bioactivity of trypsin inhibitors from sesame seeds to control Plodia interpunctella larvae (Hübner) (Lepidoptera: Pyralidae)
August 2015
Biochemical and feeding assays were performed in order to assess the bioactivity of trypsin inhibitors from sesame seeds to control Plodia interpunctella larvae. The biochemical assays were based on the ability of protease inhibitors (PI) present in sesame seeds to inhibit bovine pancreatic trypsin and digestive enzymes of insect larvae. The stability of the inhibitors was also assessed at different pH and temperature....
Nutrient demand of the carrot crop
August 2015
The existing literature for the recommendation of fertilizers and diagnosis of the nutritional status of the carrot crop is outdated because it contemplates productivities lower than those currently obtained. The objective of this research was to characterize the nutritional demand of the carrot crop by estimating the dry matter content of the roots, the coefficient of biological utilization of the nutrients and the...
Development and longevity of Citrus mealybug Planococcus citri (Risso, 1813) (Insecta: Homoptera: Pseudococcidae) associated with grapevine
August 2015
The Citrus mealybug Planococcus citri has a wide geographical distribution and has been described as a pest of economic importance in several crops. The present work determined the developmental and biological aspects of the Citrus mealybug in order to obtain information that may support the integrated pest management (IPM) of grapevine (Vitis vinifera L.) cv. Syrah in the Lower Basin of the São Francisco Valley...
Initial assessment and nutritional status of hybrid eucalyptus sp. in the municipality of Colorado Do Oeste, Rondônia State - Brazil
August 2015
The objective of this research was to determine the initial growth, nutrition and soil fertility of Eucalyptus plantation in Rondônia State, Brazil. The treatments consisted of four hybrids (VM1, H13, GG100 and I144) and four replications, each plot contained 30 plants, totaling 480 plants. The VM1 clone was obtained from the hybrid of Eucalyptus urophylla x Eucalyptus camaldulensis, and the others, from the...
The influence of financial crisis on inefficiency and nonlinearity on Brazilian soybean prices
August 2015
We investigated the effect of the 2007 to 2008 Brazilian financial crisis on nonlinearity and the prediction accuracy of artificial neural networks on monthly soybean prices in Brazil. To determine the exogenous variable, the commodity’s logarithm return was calculated. The best period for the series simulation was then identified, simulations carried out and the model validated. Model forecasting results were...
Effects of water management on growth, irrigation efficiency and initial development of Aspidosperma polyneuron seedlings
August 2015
The amount of available water for nursery irrigation is forecasted to decline on this decade and over or deficit watering of seedlings may have adverse consequences. To produce quality seedlings for accelerate the restoration of ecosystems and prevent further environmental damage, nursery water management should be reformed, especially for endangered species, such as Aspidosperma polyneuron Müll. Arg. The objective...
Olive (Olea europaea L.) seed germination as affected by different scarification treatments
August 2015
In Olive (Olea europaea L.) a critical balance of concentration and time was necessary to achieve high germination percentages without loss of viability of the seeds. Therefore olive cvs. Coratina and Pendolino seeds were subjected to chemical treatment with HCl, GA3, NaOH and water for two dips time (12 and 24 h) to determine the most appropriate treatment to improve seed germination and to reduce seed germination...
Relationship between sunflower productivity and soil´s chemical properties by geo-statistical techniques
August 2015
Classical geostatistic techniques and geostatistics are important tools to co-relate linearly and spatially vegetal productivity to the soil´s properties. Spatial and Pearson´s co-relationships between the attributes of the sunflower plant and the soil´s properties were used in Campo Novo do Parecis MT Brazil in 2013 to determine the most significant co-relationship between cause and effect (soil and...
Greenhouse evapotranspiration and crop factor of Amaranthus cruentus grown in weighing lysimeters
August 2015
Actual evapotranspiration and crop coefficient (Kc) of Amaranthus cruentus grown in weighing lysimeter was determined under a screen house. The weighing lysimeter was made of a cylindrical plastic of circular cross-sectional area of 0.076 m2 and diameter 0.3 m. Climatic variables such as solar radiation, relative humidity, air temperature and wind speed were collected for the estimation of reference evapotranspiration...
Agronomic performance of RR® soybean cultivars using different pre-sowing desiccation periods and distinct post-emergence herbicides
August 2015
The current study aims to measure the effect of pre-sowing desiccation period and verify the influence of post-emergence herbicide on soybean agronomic traits and grain yield. The experiments were carried out according to a randomized complete block design with three replications during two crop seasons (2012/13 and 2013/14), using split plot design. Five soybean cultivars were used (BRS Favorita RR®, TMG 1179...
Phosphorus release from poultry litter to the soil due to the management
August 2015
The study aimed to evaluate phosphorus release (P) from poultry litter (composted and uncomposted poultry litter) to the soil under different pH and depth conditions of application in typical Red Distroferric Oxisolin the city of Toledo, western Paraná state. The experiment was conducted under field conditions, in a randomized block design with treatments arranged in a 2x2x3 factorial scheme, consisting of two...
Characterization of cattle husbandry practices in Essera Woreda, Dawuro Zone, Southern Ethiopia
August 2015
This study was conducted in Essera Woreda, Dawuro Zone of South Nations Nationalities and People Region with the objectives of characterizing cattle husbandry practices as well as identifying and prioritizing cattle production constraints of the study area. Ninety households (HHs) owning cattle were selected randomly. A semi-structured questionnaire was prepared and used to collect data on cattle production system,...
Phytosociology and interference of weeds in upland rice in Maranhão State, northeastern Brazil
August 2015
The objective of this research was to identify the weed species and to determine the critical periods of weed interference in upland rice in Maranhão State, northeastern Brazil. The experiment was laid out in a randomized complete block design with 16 treatments and four replications in two growing seasons. Treatments were increasing periods of control and coexistence of the crop with weeds, for every 10 days....
Competition and supplier loyalty: Lessons from the Brazilian tobacco industry
August 2015
This paper aims to identify both the level and the reasons of the decreasing loyalty in the transactions between tobacco growers and tobacco processors in Brazil. The theoretical approach relies on Transaction Cost Economics. Semi-structured interviews were held with growers and companies’ directors, and a structured questionnaire was used to obtain data from a sample of 381 tobacco growers in Brazil. Indicators...
Cropping systems evaluation, fertilization, and effects on technological quality and sugarcane productivity
August 2015
The scarification has been used in soil descompaction and when combined with fertilizer and harrowing has been called triple operation, which together can change the quality and increase the productivity of sugarcane. In this study we evaluated the influence two cropping systems in ratoon, associated with different forms of fertilization on the technological quality and productivity of sugarcane. The design was...
Analysis of leaf area in black wattle throughout its plantation cycle
August 2015
Leaf area is one of the most important biophysical characteristics of a plant, as it determines how much photosynthetic radiation is intercepted so that the photosynthesis can occur. The presented research aim was to generate numerical indicators of leaf area and to study the behavior of black wattle (Acacia mearnsii De Wild.) throughout a plantation cycle (7 years), relating them with environmental variables. The study...
Adoption and impact of early maturing maize varieties on farmers income in Safana Local Government Area of Katsina, Nigeria
August 2015
This paper examined the adoption and impact of early maturing maize varieties on farmers’ income in Safana Local Government Area of Katsina State, Nigeria. Using random sampling techniques, 300 maize farmers were selected across 10 communities in the Local Government. Data obtained were analyzed using descriptive statistics, adoption index, double difference method and Z-statistics to estimate impact of early...
Spatial variability of available nutrients in soils of Nainpur tehsil of Mandla district of Madhya Pradesh, India using Geo-statistical approach
August 2015
Scientific information concerning spatial variability and distribution of soil properties is critical for farmers attempting to increase fertilization efficiency and crop productivity; fertilization based on maps with recommendations related to soil fertility may lead to reduced fertilizer inputs without reducing yield. In the present study, GPS based one hundred fifty surface soil samples (0-15 cm) were collected from...
Land use and soil type influence on soil quality: A comparison between tree and arable crops in basement complex soils
August 2015
Land degradation has become a great concern for sustainable land management. There is therefore the need to monitor land use impact on the soil to prevent degradation. This study was set up to assess soil quality under tree and arable uses and their impacts on the soils capacity. Four farmlands (cocoa, cashew, cassava and maize) on three soil types (Apomu, Ibadan and Iwo series) were selected within Aiyedire local...
Effect of date of sowing and crop geometry on growth and yield parameters of forage mustard (Var. Chinese Cabbage)
August 2015
A field experiment was conducted during rabi 2011-2012 at Forage Management and Research Centre, National Dairy Research Institute, Karnal to study the “Effect of date of sowing and crop geometry on seed yield and quality of forage mustard (var. Chinese cabbage)”. The soil texture of the experimental site was clay loam with available nitrogen, phosphorus, potassium were 212, 20 and 256 kg/ha, respectively....
The effect of swine raising wastewater in the development of millet (Pennisetum glaucum L.), soil and leachate
August 2015
The experiment was conducted in a protected cultivation in the Marechal Cândido Rondon, PR, Brazil. The experimental design was constituted of randomized blocks with six piggery wastewater doses (0, 25, 50, 100, 200 and 400 m³ ha-1) in four repetitions. The variables evaluated were: number of tillers, plant height, dry matter, leaf area, leaf number, potassium content, phosphorus content and crude protein in...
Do desiccation and storage of Campomanesia adamantium (Cambess.) O. Berg (Myrtaceae) seeds affect the formation and survival of seedlings?
August 2015
The objective of study was to verify if desiccation and storage of the seeds affect the morphoanatomy and histochemistry of the seedlings of Campomanesia adamantium. The fruits were processed and seeds were subjected to desiccation to 30, 20, 15, 10 and 5% water contents in laboratory conditions and subsequently subjected to the following storage conditions: In the laboratory (LAB) (25 ± 2°C, 35% RH), cold...
Biological parameters and parasitism capacity of Telenomus remus Nixon (Hymenoptera: Platygastridae) reared on natural and factitious hosts for successive generations
August 2015
Factitious hosts are largely used in parasitoid production. However, changes in parasitism capacity may happen when hosts are switched. Therefore, the ability of a parasitoid species to be reared on factitious host and still keep high level of parasitism on the natural target pest after successive rearing can determine parasitoid quality and must be investigated. Thus, we evaluated Telenomus remus parasitism on Corcyra...
Effect of Silicon and Nitrogen nutrition on major pest and disease intensity in low land rice
August 2015
Nutrition management is one of the most important factors for enhancing yield, but it may affect the response of rice plants to pests and diseases due, in part, to the change of microclimate under the rice plant canopy. Therefore, knowledge of the relationship of nutrition management and pests and diseases is an important component in setting up a high yield production system. The pest and disease control procedures...
Some agroforestry potential for two tree legumes in the dense rainforests of Côte d'Ivoire: Characteristics of seed germination
August 2015
The Ivorian forest area has been declining because of his abuse. To reduce the negative impact of forest loss on natural resources, various reforestation projects are undertaken. The species used in these programs are usually rapidly growing exotic legumes. Unfortunately, these plants are very poorly adapted to the prevailing conditions and targets are rarely achieved. Hence, replacing them with native species should be...
Study of potential environmental risk of trace metallic elements in mine tailings: Case of Draa Lasfar functional mine in Marrakech - Morocco
August 2015
Mining activity is one of the most important sources of heavy metals in the environment. In Marrakech region, functioning or abandoned mines represent a great hazard due to huge amounts of waste deposited in waste dumps and tailings often with high concentration of heavy metals pollution. In this study, the chemical forms of four heavy metals in mine tailings of Draa Lasfar in north-west of Marrakech city (Morocco) were...
Wood ash as corrective of soil pH and as fertilizer in ornamental sunflower cultivation
August 2015
Wood ash, as having required nutrients by plants, can be an alternative in fertilization and soil acidity correction in agricultural crops. This study aimed to evaluate the development of the sunflower ornamental cultivar (Helianthus annuus L.) Sunflower F1 Sunbright Supreme when subjected to wood ash fertilization into of Cerrado Oxisol. The experiment was conducted in a greenhouse, in the municipality of...
Investigation of morphological indices of different rice varieties (oryza sativa) in relation to insect-pest attack under shallow and semi-deep land condition during Kharif Season
August 2015
Totally 23 different rice cultivars were analyzed for pest attack and varying morphological studies from Chinsurah, West Bengal, India. The individual rice cultivars were planted in both shallow and semi-deep conditions, maintaining the two replicated yield trail (RYT) with randomized block design (RBD) pattern. It was observed that the dead heart (DH) disease caused by Scirpophaga incertulas affects mostly NDR 8027...
Obtaining physical-chemical analysis of the alcoholic distillate of cajarana (Spondias sp) in semiarid Paraiba
August 2015
This study aimed to produce, and consequently create physical-chemical analysis of alcohol distilled from the fruits of Spondias sp. The study was carried out at the Federal University of Campina Grande - Campus de Patos-PB (UFCG). 36.85 kg of cajarana and 1100 ml (869 g) of distilled alcohol, with a yield of 2.36% were collected, the cajarana used for this study presents equal 11.02° brix. This occurs with pH...
Effect of defoliation from the bottom to the top on the yield of Brazilian soybean cultivars
August 2015
Among the factors that may cause decreases in soybean yield there are the foliar diseases that despite control it can limit grain yield. The Asian soybean rust (Phakopsora pachyrhizi) is considered the most important disease of soybean in Brazil. The aim of this work was to simulate the progress of Asian rust in Brazilian soybean cultivars by removal of trifoliate leaves from the bottom to the top. The experimental...
Delineation and geographic information system (GIS) mapping of soil nutrient status of sugarcane growing tracts of Theni district, Tamil Nadu
August 2015
A global positioning system (GPS) based soil survey was conducted during September 2011 in the sugarcane dominant tracts of Theni district, Tamil Nadu to map the soil fertility status using GIS software and link with different cane yield potentials. The soil samples were taken from 400 spatially distributed locations from a depth of 0 to 30 cm and analyzed for texture, pH, EC, organic carbon, available nitrogen,...
Sample scaling in soil compaction assessment experiments with motorized penetrometer
August 2015
The objective was to estimate the sample size (number of points by experimental plot) to estimate soil resistance to penetration in different depth ranges and for different animal stocking density rates. The data was obtained from a factorial experiment in a randomized block design, three replicates, consisting of two grazing intensity levels (canopy heights: 10 and 20 cm) and two levels of nitrogen fertilization...
Deployment of indigenous wild Ganoderma lucidum for better yield on different substrates
August 2015
Ganoderma lucidum is a medicinal mushroom growing on angiospermous trees that has been used in the Orient medicine for more than 2000 years. Since now studies have been almost entirely limited to laboratory scale and much more understanding on the growth morphology and mass production is necessary to develop economical large scale processes. In this study, domestication of wild isolate of G. lucidum was done, which was...
Predicting grain yield of maize using drought tolerance traits
August 2015
Two experiments (field and pot) were conducted to evaluate the ability of partial least square regression (PLSR) using physiological and root traits to predict grain yield of maize. The genetic materials used for the experiments were six maize genotypes. Data was recorded on some growth, physiological and root traits. Data was analyzed using PLSR model of XLSTAT. There was a good prediction of grain yield of maize using...
Effect of N fertilization on NPK content in castor bean under saline stress
August 2015
The high concentrations of salts in water, especially in semiarid regions, increase salt concentration in the soil and plant with the consequent decrease in NPK contents. Current study evaluates the influence of irrigation with water of different salinities, associated to nitrogen (N) fertilization, on NPK contents in castor bean cv. BRS Energia. An experiment was conducted for four months, in lysimeters under the ...
Determination of grazing time with relationships between grass layer height and biomass change in natural pastures
August 2015
This research work was conducted in Karahisar village of TekirdaÄŸ city during the years of 2010 and 2011. The basic purpose of this study was to determine the starting dates of grazing in pastures, and the relationships between grass layer height and biomass change in protected, as well as, the grazed areas of natural pastures of the said village. In pastures, 16 different points had been marked in 4 rangelands...
Effect of foliar application with salicylic acid on two Iranian melons (Cucumis melo L.) under water deficit
August 2015
Scarcity of water is a severe environmental constraint to crop production in arid and semi arid region. Salicylic acid (SA) plays an important role in the regulation of plant growth in response to environmental stresses. In this study, the effect of SA (0, 70 and 100 ppm) was investigated on growth and yield of two Iranian melons (Khatooni and Ghasri cultivars) under drought stress (W100%, W80% and W60%). Experimental...
Milk production function and resource use efficiency in Jaipur District of Rajasthan
August 2015
The study was undertaken during 2013 and 2014 in Jaipur District of Rajasthan with the objectives to examine the input-output relationships and assess the resource use efficiency in milk production. The study covered 100 commercial dairy farms. The results of Cobb-Douglas production function revealed that expenditure on dry fodder and green fodder for small category of herd size were found to be positive and...
Genetic divergence of corn cultivars in relation to grain productivity, crude protein content and amino acid profile
August 2015
The aim of this study was to investigate the genetic variability among early-maturing and extremely early-maturing corn cultivars in relation to grain productivity, crude protein content and amino acid profile to obtain future crosses of cultivars with improved nutritional characteristics. Data from two experiments, which were both conducted in randomized block design and three replicates. Thirty-six early-maturing and...
Seeds germination and early development of beggartick on extracted soil solution from an area with cover crops
August 2015
Plants produce and store many products of secondary metabolism that are released into the environment and can influence direct or indirectly on nearby organisms. Thus, this study investigated the allelopathic potential of extracted soil solution from an area with cover crops according to germination and early development of beggartick. Soil solution was extracted in an area where black oats, turnip and hairy vetch were...
Genetic variability studies of fruit yield and its traits among indeterminate tomato genotypes under open field condition
August 2015
The present study was aimed to investigate the yield and its contributing traits among indeterminate tomato genotypes in order to generate information regarding the extent of genetic variability, heritability and genetic advance. The experiment was conducted using a randomized complete block design with three replications at Vegetable Research Farm, Department of Horticulture, SHIATS, Allahabad during 2012-2013 cropping...
Phosphorus availability from natural and soluble phosphate sources for irrigated corn production
August 2015
This research’s aims were to evaluate the mixture ratios of P fertilizers in irrigated corn yield in two seasons as well as evaluate the capacity of Resin and Mehlich 1 extractors to predict the P availability under field conditions in two soils: Hapludults and Oxisol. In the first crop, the experimental design was randomized block with four replications where two P sources, Triple Superphosphate (TSP) and Daoui...
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