نتایج جستجو برای: cropping pattern

تعداد نتایج: 357359  

Journal: :Water Science & Technology: Water Supply 2023

Abstract In the current century, sustainable production of agricultural products is one main challenges facing humanity. The amount water consumption, energy, and net income as important components sustainability systems special priority importance. This study used linear multi-objective programming models with aim maximizing five indicators cost efficiency (CE), irrigation (IE), energy product...

Reza Hezareh Samira Shayan Mehr Seyed Abolghasem Mortazavi Sina Ahmadi Kaliji

Water resources sustainability is one of the major issues in the agricultural sustainability. In this study sustainability of water resources has been investigated by use of linear and non-linear models in six models based on optimal utilization of water resources in the north parts farms of Iran because of incorrect use of agricultural water resources, from 2011 to 2012. Also “gross margin per...

Alireza Poursaeed Roya Eshraghi Samani

In this study, the comparative advantage of main agricultural products and its relation to cropping pattern was studied in Ilam Province. For data analyzing the comparative advantage and government policies effects indices, Policy Analysis Matrix (PAM) were used. The obtained results for the comparative advantage indices of Domestic Resource Cost (DRC), Social Cost Benefit (SCB) and Net Social ...

Journal: :Agroland: The Agricultural Sciences Journal 2022

Efforts to use land through cropping patterns or crop rotation, better known as farm diversification can be an alternative for farmers maintain their farming during the COVID-19 pandemic. This pandemic affected commodity changes in on farms cultivated by farmer. study aims analyze and describe pattern of horticultural level farmers’ incomes. The research was conducted three villages Sigi Biroma...

ژورنال: علوم آب و خاک 1999
کیخا, احمدعلی, زیبایی, منصور , سلطانی, غلامرضا ,

The production and acreage of corn in Iran and in Fars Province, in particular, are expanding at an increasing rate. The impacts of this event was studied by a risk programming model (MOTAD). The results indicated that the optimal cropping patterns with corn had less variance than the optimal patterns without corn in all income levels. The results also showed that with the introduction of corn ...

کیخا, احمدعلی, زیبایی, منصور , سلطانی, غلامرضا ,

The production and acreage of corn in Iran and in Fars Province, in particular, are expanding at an increasing rate. The impacts of this event was studied by a risk programming model (MOTAD). The results indicated that the optimal cropping patterns with corn had less variance than the optimal patterns without corn in all income levels. The results also showed that with the introduction of corn ...

2012
Gomatee Singh

The adoption of cropping pattern in any region is an outcome of varied factors, which plays important role i.e. physical, social and economic factors. Some of these are changeable like prices, government policies, technology etc. and have operated very variously at different times. These factors have a combined impact on the decision making process of the farmer. Those which are not subject to ...

Journal: :پژوهش های زراعی ایران 0
علیرضا کوچکی مهدی نصیری محلاتی مرادی مرادی یاسر علی زاده

in order to evaluate the yield and nitrogen use efficiency of corn and cotton intercropping under different levels of nitrogen, an experiment was conducted as a factorial arrangement based on completely randomized block design with three replications. the experimental treatments were nitrogen fertilizers in four levels (0, 50, 100 and 150 kg ha-1) and planting pattern in three levels (maize sol...

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