نتایج جستجو برای: agronomy

تعداد نتایج: 1874  

Journal: :Computers and Electronics in Agriculture 2018

Journal: :Agronomy 2023

Hemp (Cannabis sativa L. ssp. sativa) has a long history of domestication due to its versatile use. Recently, different sectors in the economy are investigating hemp cultivation increase agronomic production and limit delta-9-tetrahydrocannabinol (THC). Despite rapid growth literature recent years, it is still uncertain whether knowledge gained from higher latitude regions applicable low tropic...

2005
Alan E. Richardson Edward J. Mullaney

Abstracts of oral presentations appear in chronological order, followed by abstracts of poster presentations in alphabetical order. All abstracts were edited for consistency of style, spelling, and grammar according to the American Society of Agronomy style guidelines. In some cases, abstracts were also edited for to fit the two-page limit.s of oral presentations appear in chronological order, ...

2007
Christopher R. Boomsma Tony J. Vyn

American Society of Agronomy. http://a-c-s.confex.com/crops/2006am/ techprogram/P25290.HTM. (2006). Carter, P.R.; Nafziger, E.D.; Hicks, D.R. “Effects of Uneven Seedling Emergence in Corn.” http://www.ces.purdue.edu/extmedia/NCH/NCH36.html. (1992). Conservation Technology Information Center. http:// www.conservationinformation.org/?action=crm. Kapusta, G.; Krausz, R.F.; Matthews, J.L. “Maize yi...

2005
P. Gepts M. T. Clegg

From the Department of Botany and Plant Sciences, University of California, Riverside. Dr. Gepts is now at the Department of Agronomy and Range Science, University of California, Davis. This work was supported by NSF grant BSR-8500206. The authors thank Wayne Hanna for providing seed samples and for assistance in complying with quarantine regulations. They also thank J. Dujardin, A. Marchais, a...

2009
MIROSLAVA BEKLOVA VOJTECH ADAM PETR MARES LADISLAV ZEMAN PETR DOLEZAL JIRI PIKULA LIBUSE TRNKOVA RENE KIZEK

Department of Veterinary Ecology and Environmental Protection, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences, Palackeho 1-3, CZ-612 42 Brno, Czech Republic Department of Chemistry and Biochemistry, Faculty of Agronomy, Mendel University of Agriculture and Forestry, Zemedelska 1, CZ-613 00 Brno, Czech Republic Department of Animal Nutrition and F...

2000
P. C. Struik S. Amaducci G. Venturi Arthur Rickwood

Fibre hemp may yield up to 25 t above ground dry matter per hectare (20 t stem dry matter ha) which may contain as much as 12 t ha cellulose, depending on environmental conditions and agronomy. Its performance is affected by the onset of flowering and seed development. Effects of cultivar and management on yield and quality were tested at three contrasting sites in Italy, the Netherlands and th...

2001

Corn silage serves as a high-energy forage for dairy cows. This is most important for high-producing herds and on farms experiencing problems with making or buying highquality hay crop forage. Corn silage, with its relatively highenergy content, is also well adapted for use in low-cost rations for fattening cattle. Corn silage requires less labor per ton to produce than many other forage crops....

2009
Jean-François Baget Madalina Croitoru Jérôme Fortin Rallou Thomopoulos

In this paper, we extend Simple Conceptual Graphs with Reiter’s default rules. The motivation for this extension came from the type of reasonings involved in an agronomy application, namely the simulation of food processing. Our contribution is many fold: first, the expressivity of this new language corresponds to our modeling purposes. Second, we provide an effective characterization of sound ...

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