نتایج جستجو برای: monoculture

تعداد نتایج: 1854  

Journal: :Soil & Tillage Research 2021

Reduced tillage practices are widely considered to be more sustainable than conventional practices, but many producers remain reluctant reduce due difficulties controlling weeds. Crop rotation is often put forward as the best means manage weeds in reduced systems, uncertainties around how different and crop rotations interact. Here, we assess effects of four on weed seedbank density composition...

Journal: :BIO web of conferences 2021

The crucial trend in the intensification of gardening is use agrochemicals, including systematic application mineral fertilizers, regulated by production flow chart fruit products. Technological pressure on soil causes aggravating ecological problem loss fertility level conditions orchard monoculture. search for sustainable and environmentally effective approaches to solving managing factors ai...

Journal: :بوم شناسی کشاورزی 0
اسماعیل رضائی چیانه مهدی تاج بخش اروج ولیزادگان فرزاد بنایی اصل

in order to evaluate the comparison of different intercropping patterns of cumin (cuminum cyminum l. ) with lentil (lens culinaris l.) in double crop, a field experiment was conducted based on a randomized complete block design with three replications and eight treatment at the farm located in west azerbaijan province - city nagadeh, iran during growing reason of 2011-2012. treatments included ...

Journal: :تولید گیاهان زراعی 0
سرور خرم دل عضو هیات علمی دانشکده کشاورزی دانشگاه فردوسی مشهد آسیه سیاهمرگویی دانشگاه علوم کشاورزی و منابع طبیعی گرگان قدریه محمودی دانشگاه فردوسی مشهد

in order to study the impact of replacement and additive intercropping series on yield and yield components of bean and ajowan as a medicinal plant, an experiment was conducted based on a randomized complete block design with three replications at the agricultural research station, shirvan college of agriculture and natural resources during growing season of 2012-2013. nine replacement and addi...

2013
Armando Rucoba García María Isabel Cano

This study seeks to analyze the benefits, as well as the likely risks of cultivating Jatropha curcas in small production units of rain fed lands in Yucatán. In order to analyze the possible development of local artisanal agri-industry in the context of policies related to biofuels in Mexico, interviews with key informants were made to identify the agricultural potential of Jatropha c. in monocu...

2010
Bernard Lietaer Robert E. Ulanowicz

Fundamental laws govern all complex flow systems, including natural ecosystems, economic and financial systems. Natural ecosystems are practical exemplars of sustainability: enduring, vital, adaptive. The sustainability of any complex flow system can be measured with a single metric as an emergent property of its structural diversity and interconnectivity; it requires a balance in emphasis betw...

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