نتایج جستجو برای: agronomic management

تعداد نتایج: 859407  

2017
Erin M. Silva Kathleen Delate

The organic industry continues to expand in the United States (U.S.), with 14,093 organic farms in 2014. The upper Midwestern U.S. has emerged as a hub for organic row crop production; however, the management of these organic row crop hectares heavily relies on tillage and cultivation for weed control. Faced with the soil quality challenges related to these practices, and cognizant of the benef...

Journal: :Journal of Water Resources Planning and Management 2003

2015
Paolo Laino Margherita Limonta Davide Gerna Patrizia Vaccino

Evaluation and characterization are crucial steps in the exploitation of germplasm collections. The Sant'Angelo Lodigiano unit of the Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria (CREA) maintains a broad collection of Triticum spp, including more than 4000 genotypes of T. aestivum. Such collection represents a wide source of genetic variability for many agronomic an...

2007
E MEYER

A user friendly, computer based program has been developed to estimate the performance and cost of sugarcane combine harvesters and associated infield transport vehicles. The model was originally developed to assess the effect of various field parameters, infield cultural practices and also the number and capacity of infield transport vehicles on harvester output. A costing program was subseque...

2011
Béatrice Collange Mireille Navarrete Gaëlle Peyre Thierry Mateille

15 Root-knot nematodes are a growing concern for vegetable producers, because chemical 16 nematicides are gradually disappearing. Alternative techniques based on agronomic practices 17 are needed to solve the problem. This review analyzes the most recent studies related to these 18 techniques and their combinations and identifies the most effective ones. Based on an 19 agronomic point of view, ...

2017
Manel Ben Hassen Federica Monaco Arianna Facchi Marco Romani Giampiero Valè Guido Sali Michael S. Carolan

Italian rice production is progressively threatened by water scarcity. Some strategies have been developed to reduce water use. Nevertheless, reducing water irrigation amounts may lower paddy rice production. This publication compares the productivity and the economic performances of traditional and modern rice varieties in northern Italy using two different water management systems. The object...

2014
Yan Deng Keru Chen Wan Teng Ai Zhan Yiping Tong Gu Feng Zhenling Cui Fusuo Zhang Xinping Chen

Sustainable agriculture requires improved phosphorus (P) management to reduce the overreliance on P fertilization. Despite intensive research of root adaptive mechanisms for improving P acquisition, the inherent potential of roots for efficient P acquisition remains unfulfilled, especially in intensive agriculture, while current P management generally focuses on agronomic and environmental conc...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی 1392

due to lack of knowledge management system in the organization of technical and vocational university of iran (tvuni) and losing good employees because of retirement and substitution causes huge amount of costs to replace the similar expertise. there is no any suitable system in the tvuni to store, to document, and to distribute knowledge. based on the university’s features such as it has diffe...

2014
Walid Ellouze Ahmad Esmaeili Taheri Luke D Bainard Chao Yang Navid Bazghaleh Adriana Navarro-Borrell Keith Hanson Chantal Hamel

Soil fungi are a critical component of agroecosystems and provide ecological services that impact the production of food and bioproducts. Effective management of fungal resources is essential to optimize the productivity and sustainability of agricultural ecosystems. In this review, we (i) highlight the functional groups of fungi that play key roles in agricultural ecosystems, (ii) examine the ...

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