Crop Growth Articles

  • Potassium and winter hardiness

    The role of Potassium in metabolic processes such as protein synthesis and the movement of sugars within the plant is now well understood and recognised as crucial for maximising quality and yield. But it is now known Potassium also plays a significant role in helping crops resist disease and environmental stresses during winter dormancy and ensuring optimum supplies of Potassium to see crops ...


    By Ilex EnviroSciences Limited

  • A call to conserve crops’ wild cousins

    Wild cousins aren’t always appreciated at family gatherings. But when it comes to crops, the opposite is often true: Plant breeding has historically relied on genes from plants growing in the wild as a source of diversity that can be introduced into crop plants to produce new crop varieties that are more resilient, nutritious and productive than those currently cultivated. As human ...


    By Ensia

  • Robust method for estimating grain yield in western Kenya during the growing seasons

    Uncertainties caused by climate change and population explosion require suitable methods for estimating grain yield during the growing seasons. This paper evaluates the applicability of the AquaCrop model in the region of western Kenya. The objectives of the study were to: simulate the long-term maize crop yields for the region using AquaCrop model for variable climate scenarios, and estimate ...


    By IWA Publishing

  • Population growth data is bad news for the climate

    The demographers may have got it wrong. New projections say the population of the planet will not stabilise at 9 billion sometime this century. In fact, there is an 80% likelihood that, by 2100, it will reach at least 9.6 bn − and maybe rise as high as 12.3 bn. The latest data, published in the ...


    By Climate News Network

  • The use of treated wastewater and fertigation in greenhouse pepper crop as affecting growth and fruit quality

    The performance and suitability of tertiary treated wastewater (TW) and/or fertigation (F) in pepper plants were studied over a 4-month period in greenhouse conditions. Four treatments were used consisting of (1) water, (2) water + F, (3) TW, and (4) TW + F. The F and/or TW application increased plant height and plant biomass compared with the control plants (irrigated with water) ...


    By IWA Publishing

  • The socio–economic impacts of currently commercialised genetically engineered crops

    A substantial and growing body of literature now exists on the socio–economic impacts of genetically engineered (GE) crops. While the bulk of literature has focused on the primary impacts of commercialised GE technology, in terms of changes in yields, costs and profitability, researchers have increasingly addressed a range of additional questions such as the distribution of impacts across groups, ...


    By Inderscience Publishers

  • Reuse of treated wastewater using sequencing batch bioreactor for the improvement of wheat growth

    Reclaimed wastewater reuse for irrigation to crop plants is evaluated in a laboratory-scale experiment to assess growth and water saving potential from natural resources. A prototype laboratory-scale treatment plant was established for this purpose with suspended and attached growth configurations. Chakwal wheat variety was selected to examine growth parameters. The removal of chemical oxygen ...


    By IWA Publishing

  • Irrigation frequency effects on growth and ethanol yield in sweet Sorghum

    With the increasing costs of fossil fuels, new methods of generating renewable fuels need to be researched and developed. This study was undertaken to assess the effects of irrigation frequency on crop growth and ethanol yield of sweet sorghum [Sorghum bicolor (L.) Moench]. Nine combinations of pre- and postanthesis irrigation frequencies triggered by 35, 50, or 65% depletion of plant-available ...

  • Growth analysis of biomass production in sole-crop and double-crop corn systems

    Increased biomass productivity could be achieved through double-cropping if extended growth duration could be realized with minimal reductions in growth efficiency relative to sole-cropping. To test this hypothesis, functional growth analysis was used to assess the relative importance of photosynthetic duration and efficiency in determining biomass production by sole-crop corn (Zea mays L.; SC) ...

  • Comparative plant growth and development in two cotton rotations under irrigated and non-irrigated conditions

    Incorporating perennial grasses such as bahiagrass (Paspalum notatum Fluegge) to diversify the conventional two-crop rotation of peanut (Arachis hypogaea L.) and cotton (Gossypium hirsutum L.) prevalent in the U.S. Southeast (SE) is advocated. However, little is reported on growth and development for cotton grown in rotation with perennial grasses. Our objectives were to compare plant ...

  • Modeling tiller density, growth, and yield of mediterranean perennial grasslands with STICS

    A generic crop model (STICS) was adapted (STICS–Grassland) to model growth, yield, and environmental impacts of grasslands in France. It is a semimechanistic model combining equations of physiological processes and mathematical relationships between processes in a daily time step. The Information et Suivi Objectif des Prairies (ISOP; Grassland Information and Objective Survey) application was ...

  • Enhanced tolerance to multiple abiotic stresses in transgenic Alfalfa accumulating trehalose

    Alfalfa (Medicago sativa L.) is an important forage crop in many countries with high biomass production and the third-most-cultivated crop in the United States, with high protein content and potential use as biofuel. Here we describe the use of a chimeric translational fusion of yeast trehalose-6-phosphate synthase (EC 2.4.1.15) and trehalose-6-phosphate phosphatase (EC 3.1.3.12) genes to ...

  • Symbiotic and growth performance of supernodulating forage pea lines

    The exploitation of nitrate-tolerant symbiosis (nts) mutants of pulse legumes is limited by the accompanying supernodulation trait, which causes uncontrolled initiation of excessive symbiotic nodules on the root. The resulting disproportion between the photosynthetic capacity and the catabolic activity of nodules leads to growth deprivation, regardless of the desirable enhancement of symbiotic N ...

  • NNFCC Crop Chooser

    This decision tree offers advice on which crops to grow for different non-food markets. Summary The crop chooser is a simple tool that helps growers understand the risks and opportunities associated with diversifying into non-food crops. By deciding on the value, risk, level of management and investment you are willing to accept the crop chooser will help identify ...


    By NNFCC

  • Vermicomposting of oil palm empty fruit bunch and its potential in supplying of nutrients for crop growth

    Oil palm (Elaeis guineensis Jacq.) plantations generate a large quantity of by-products, such as empty fruit bunches (EFB) and palm fronds. These by-products are very difficult to decompose in natural condition. Vermicomposting of these by-products would be able to provide some useful nutrients for crop growth. There was no information available on the composting condition of these oil palm ...


    By BioCycle Magazine

  • Simulating switchgrass growth and development under potential and water-limiting conditions

    Anticipating a demand for switchgrass (Panicum virgatum L.) as a source for biofuel production, a crop simulation model of this crop can be a component of a biofuel decision support system. The objective of this effort was to develop and test a model for switchgrass, based on robust empirical relationships between plant behavior and the environment. The model simulates date of annual growth ...

  • Aquacrop—the FAO crop model to simulate yield response to water

    This article introduces the FAO crop model AquaCrop. It simulates attainable yields of major herbaceous crops as a function of water consumption under rainfed, supplemental, deficit, and full irrigation conditions. The growth engine of AquaCrop is water-driven, in that transpiration is calculated first and translated into biomass using a conservative, crop-specific parameter: the biomass water ...

  • AquaCrop—The FAO crop model to simulate yield response to water: III. Parameterization and testing for maize

    The first crop chosen to parameterize and test the new FAO AquaCrop model is maize (Zea mays L.). Working mainly with data sets from 6 yr of maize field experiments at Davis, CA, plus another 4 yr of Davis maize canopy data, a set of conservative (nearly constant) parameters of AquaCrop, presumably applicable to widely different conditions and not specific to a given crop cultivar, was evaluated ...

  • When population growth and resource availability collide

    As land and water become scarce, competition for these vital resources intensifies within societies, particularly between the wealthy and those who are poor and dispossessed. The shrinkage of life-supporting resources per person that comes with population growth is threatening to drop the living standards of millions of people below the survival level, leading to potentially unmanageable social ...


    By Earth Policy Institute

  • Growth, yield, and yield component changes among old and new soybean cultivars

    Soybean [Glycine max (L.) Merr.] yield has increased at a rate of 25 to 30 kg ha–1 yr–1 due in part to improved genetic gain, and has been further advanced by the addition of resistance to soybean cyst nematode (Heterodera glycines Ichinohe; SCN) in new cultivars. The objective was to determine specific growth changes that explain the yield improvement from old to new cultivars and the further ...

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