16   Artículos

 
en línea
Isaac R. Vincent, Erin N. Rosskopf, Jeffrey K. Brecht, Nicholas S. Dufault, Germán Sandoya-Miranda and Xin Zhao    
The use of high tunnels, which allows growers to extend their season and improve yields, is increasing in the Southeastern U.S., yet growers face challenges related to weed and disease management, particularly in organic systems. On-station experiments w... ver más
Revista: Agronomy    Formato: Electrónico

 
en línea
Paul Cockson, Hunter Landis, Turner Smith, Kristin Hicks and Brian E. Whipker    
Essential plant nutrients are needed at crop-specific concentrations to obtain optimum growth or yield. Plant tissue (foliar) analysis is the standard method for measuring those levels in crops. Symptoms of nutrient deficiency occur when those tissue con... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
James W. Raich    
The principal objective of this study was to determine if there is consistent temporal variability in soil respiration from different forest plantations in a lowland tropical rainforest environment. Soil respiration was measured regularly over 2004 to 20... ver más
Revista: Forests    Formato: Electrónico

 
en línea
Y.L. Wijesingha,T.H.P.S. Fernando,K.M.E.P. Fernando    
Rubber (Heveabrasiliensis) is one of the major economically important estate crops and generates the third largest export income of Sri Lanka. Rubber plantations established mostly in Wet Zone and certain regions in Intermediate Zone and the cultivated a... ver más
Revista: Journal of Tropical Forestry and Environment    Formato: Electrónico

 
en línea
Mary Lee Berdugo Lattke, Jesus Orlando Rangel-Ch     Pág. 87 - 103
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Revista: Colombia Forestal    Formato: Electrónico

 
en línea
Shamaila Zia-Khan, Wolfram Spreer, Yang Pengnian, Xiaoning Zhao, Hussein Othmanli, Xiongkui He and Joachim Müller    
The Xinjiang Region in Northwest China is known as the ?dust center? of the Eurasian mainland. Dust on the leaf surface affects overall plant development. While emphasis was on studying the impacts of industrial dust particles on crop development, the ef... ver más
Revista: Water    Formato: Electrónico

 
en línea
Marlene Ayala, Gregory A. Lang     Pág. 191 - 203
Stored reserves are critical for the early spring growth of reproductive and vegetative sinks in sweet cherry (Prunus avium L.). To study the distribution of carbon storage reserves on new, highly productive hybrid rootstocks in sweet cherry, an experime... ver más
Revista: Ciencia e Investigación Agraria    Formato: Electrónico

 
en línea
E. Diaz-Pines,A. Rubio,F. Montes     Pág. 485 - 495
Aboveground litterfall from Pyrenean oak (Quercus pyrenaica Willd. a semi-deciduous species), mixed Pyrenean oak-pine and pine (Pinus sylvestris L.) forest stands was surveyed in two sites in a Mediterranean mountain area during a period of 36 and 29 mon... ver más
Revista: Forest Systems    Formato: Electrónico

 
en línea
W.T. Lanini, M. Kogan     Pág. 127 - 141
Cuscuta is a stem and leaf parasite that infects many broadleaf crops, ornamentals and weeds and a few monocot crops. It lives entirely on the host plant, thus reducing the growth and yield of the host. Preventing infestations by planting crop seed free ... ver más
Revista: Ciencia e Investigación Agraria    Formato: Electrónico

 
en línea
Y. Erner, S. Shapchiski, M. Bazelet, B. Artzi, R. Lavon     Pág. 167 - 173
The effects of Mg applications on leaf Mg and yield were studied in a ?Shamouti? orange (Citrus sinensis) grove which had exhibited low leaf-Mg concentrations over six years. Soil applications of magnesium chloride were applied with a 35-cm-wide band und... ver más
Revista: Ciencia e Investigación Agraria    Formato: Electrónico

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