نتایج جستجو برای: labor and fertilizer

تعداد نتایج: 16838882  

2011
K. Venkata Subbaiah N. R. Kandukuri

Development of agriculture depends on optimal land allocation. The development towards optimal utilization of land under cultivation and thereby increasing the production of crops and profit with less fertilizer consumption have to be taken into consideration in agriculture planning. In this paper different agriculture strategies are developed and accordingly, single objective optimization mode...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم اجتماعی 1393

the present study is paid to the evaluation of the welfare program of the unemployment insurance in iran. the main purpose which was the main reason for performing this thesis, was the unemployment insurance plan’s challenges in iran such as financial problems of this plan, prolongation of the credit receipt for some insured people, unemployment slow exiting from the unemployment insurance fund...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
قادر دشتی دانشیار گروه اقتصاد کشاورزی دانشگاه تبریز فهیمه خاکسار کارشناس ارشد مدیریت کشاورزی دانشگاه تبریز محمد قهرمانزاده دانشیار گروه اقتصاد کشاورزی دانشگاه تبریز

usage of inputs is one of the most important factors affecting agricultural production variations. thus, in the evaluation of production function, it is reasonable to consider the effects of inputs usage on the production fluctuation. east azerbaijan province is one of the five major producing in iran and tabriz plain and the most important region of the province for onion production. the main ...

Journal: :چغندرقند 0
حمید محمدی استادیار دانشگاه آزاد اسلامی واحد جهرم

most regions of iran are confronted with inadequate supply and excessive demand of water in agriculture sector mainly resulting from a high difference between water providing cost and its price. coping with such a challenge needs to determine the water price based on the economic principles and its value in agricultural production. the aim of this study was to determine the economic value of th...

Journal: :چغندرقند 0
عبدالرسول ذاکرین استادیار دانشگاه آزاد اسلامی جهرم حمید محمدی استادیار گروه اقتصاد کشاورزی دانشگاه زابل وحید دهباشی مربی گروه اقتصاد کشاورزی دانشگاه زابل

production is hard to achieve by increasing cropping area due to limited water resources. so, increased yield per unit area may be the solution to increase production. investigating productivity of production factors is very important in this context. the objective of this study is to measure the productivity of production factors in sugar beet production in fars province. the data needed for t...

پایان نامه :دانشگاه آزاد اسلامی واحد علوم پزشکی تهران - دانشکده پزشکی 1390

مقدمه: بارداری باعث افزایش نیازهای جسمی زنان شده و بی توجهی به این مسئله می تواند مشکلاتی را در پی داشته باشد. از جمله مشکلات شایع این دوران کم خونی است که در این مطالعه به بررسی ارتباط preterm labor با کم خونی سه ماهه ی سوم بارداری پرداخته شده است. هدف از مطالعه حاضر تعیین ارتباط کم خونی سه ماه سوم بارداری با preterm labor در زایمانهای انجام شده در دو بیمارستان امیر المومنین و اکبر آبادی میبا...

2014
Aiping Zhang Ruliang Liu Ji Gao Shiqi Yang Zhe Chen

High N fertilizer and flooding irrigation applied to rice on anthropogenic-alluvial soil often result in N leaching and low recovery of applied fertilizer N from the rice fields in Ningxia irrigation region in the upper reaches of the Yellow River, which threatens ecological environment, food security, and sustainable agricultural development. This paper reported the regulating N application fo...

2000
T. Abdoulaye

The general objective of this study was to trace the intensi®cation process on sandy soils in the Birni N'Konni area of south central Niger and to identify the role of traditional and modern inputs. The primary hypothesis is that farmers intensify ®rst using traditional inputs, such as traditional varieties, labor and manure, and turn to modern inputs, like inorganic fertilizer, improved variet...

Journal: :چغندرقند 0
محمد نقشینه فرد اعضاء هیئت علمی دانشگاه آزاد اسلامی جهرم اعضاء هیئت علمی دانشگاه آزاد اسلامی واحد یاسوج حمید محمدی اعضاء هیئت علمی دانشگاه آزاد اسلامی جهرم

this study investigates the effects of inputs on production risk of sugar beet  farmers in fars province. the study carried out in 1996. the needed data  were collected by completing questionnaire  from 120 farmers in fars selected through a two-stage cluster sampling survey. the results showed that pesticide, animal fertilizer, seed and irrigation have significant effects on production changes...

Journal: :JIA (Jurnal Ilmiah Agribisnis) : jurnal agribisnis dan ilmu sosial ekonomi pertanian 2023

This study aims to ascertain how production inputs affect cassava farming and examine use as efficiently possible. The research location was selected because the area is a center for production. Cobb-Douglas function model an analytical technique used assess output. Analyze level of input utilization optimization at same time by comparing marginal product's value other inputs. study's variables...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید