نتایج جستجو برای: optimal cropping pattern

تعداد نتایج: 713392  

2011
Ruma Bhattacharyya

South Asia is gradually diversifying its crop sector in favour of high value commodities, especially fruits, vegetables and spices. If carried out appropriately, diversification can be used as a tool to augment farm income, generate employment, alleviate poverty and conserve precious soil and water resources. In India in the state of West Bengal diversification in cropping pattern is a very rec...

1997
Johannes Lehmann Klaus Droppelmann Wolfgang Zech

In a runoff irrigation system using levelled basins, the water uptake patterns of different plant species (Acacia saligna (Labill.) H. L. Wend. and Sorghum bicolor (L.) Moench.) with contrasting root and shoot development were compared. Rainfall amounts during 1995 led to enough runoff water for realizing two cropping cycles. The amount of irrigation water was sufficient to fill the moisture-de...

Journal: :Water Science & Technology: Water Supply 2023

Abstract Water allocation can be evaluated from various economic, environmental, food security, and climate aspects. This paper was conducted to develop an optimal water strategy with economic framework. A game theory has been used determine the planning structure. cooperative technique based on core solution, Shepley value, Nucleolus solution incorporated into decision-making system results of...

Journal: :پژوهش های زراعی ایران 0
فاطمه حسن زاده اول علیرضا کوچکی حمیدرضا خزاعی مهدی نصیری محلاتی

in order to evaluate intercropping of summer savory (satureja hortensis l.) and persian clover (trifolium resupinatum l.), an experiment was conducted at agricultural research station of ferdowsi university of mashhad in 2004 growing season. treatments were sole cropping of persian clover (eight rows), double-row intercropping of persian clover and summer savory with 27, 40 and 80 plants.m-2 (e...

ژورنال: آبخیزداری ایران 2022

Sustainability of groundwater resources means ensuring the permanent availability of essential groundwater services for a long-time. This research was conducted to investigate the sustainability of groundwater resources in the prohibited plain of Behshahr- Bandar-e-Gaz by using water expoliation and green water scarcity indices. Initially, the green water deficit index was calculated based on t...

Journal: :journal of agricultural science and technology 2014
d. g. regulwar j. b. gurav

decisions relating to most irrigation-planning problems need to be made in the face of hydrologic uncertainties, which make the irrigation-planning problem more complex. the uncertainties can be tackled by formulating the problem as fuzzy linear programming (flp). in the present study, single objective fuzzy linear programming (soflp) irrigation planning model was formulated for deriving the op...

Journal: :Budapest International Research and Critics Institute (BIRCI-Journal) : Humanities and Social Sciences 2018

Journal: :Teras Jurnal: Jurnal Teknik Sipil 2022

Abstrak Daerah Irigasi Cidurian terus mengalami pengurangan lahan, disebabkan pembangunan yang pesat di daerah Kabupaten Tangerang. Volume ketersediaan air semakin terbatas dan musim kemarau panjang juga menjadi salah satu penyebab kekuranga tanaman. Tanaman biasa dibudidayakan yaitu Padi Palawija dengan penyusunan pola tata tanam sudah ditetapkan. Penelitian ini bertujuan untuk mengetahui luas...

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