نتایج جستجو برای: agricultural field

تعداد نتایج: 876417  

2013
Devendra S. Chaudhari

76 Abstract— Monitoring of environmental factors is very important over the last few decades. In particular, monitoring agricultural environments for various factors such as temperature, moisture, humidity along with other factors can be of more significance. A traditional approach to measuring these factors in an agricultural environment meant individuals manually taking measurements and check...

Journal: :Education Sciences 2023

Some graduate education programs support experiential learning but do not require practical experiences for students specializing in international agriculture development. We examined U.S. land grant university agricultural program descriptions requirements and found them lacking. The literature surrounding volunteerism is reviewed examples are described. International can fill the experience g...

2003
Reija Hietala-Koivu

Rural history and implementing agri-policy are mirrored in an agricultural landscape. No doubt, the basic structure and composition of agricultural landscape depends on local climatic and natural conditions. There is a close connection between agricultural landscape management and biodiversity management at the gene, species and habitat level. The purpose of this paper is to present four ways t...

ژورنال: علوم آب و خاک 2010
لندی, احمد, مهدی‌پور, لاله ,

An increase in the emission of greenhouse gases such as carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) from the soil surface to the atmosphere has been of worldwide concern over the last several decades. Carbon dioxide is recognized as a significant contributor to global warming and climatic change, accounting for 60% of total greenhouse effect. The aim of this research was to dete...

2014
Luis Emmi Mariano Gonzalez-de-Soto Gonzalo Pajares Pablo González de Santos

In recent years, there have been major advances in the development of new and more powerful perception systems for agriculture, such as computer-vision and global positioning systems. Due to these advances, the automation of agricultural tasks has received an important stimulus, especially in the area of selective weed control where high precision is essential for the proper use of resources an...

2000
Wonsuk Lee Stephen W. Searcy

Current heavy reliance on agricultural chemicals in US agriculture has raised many environmental and economic concerns. Farmers need to find a way of optimal application of agricultural chemicals. Among agricultural chemicals, nitrogen (N) is the most important and essential for growing crops. In this research, a nitrogen sensor was developed to assess nitrogen status of corn plants and to appl...

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Background: Despite that has passed decades from sustainability issues, but we are still seeing that farmers misuse the sources of production, and agricultural policies do not fit with the environmental capacity of regions and being brilliant of the term self-sufficiency in among agricultural development policies. It seems all the levers so far have been used to achieve sustainability so should...

Journal: :international journal of agricultural management and development 2015
esfandyar mohammadi roya eshraghi

since insuring agricultural products is one of the effective instruments for risk management in agricultural sector, it can reduce risk avoidance among farmers and increase their competence in using production factors and, consequently, increases their inclination towards investment in agricultural sectors. the purpose of the current study was to investigate the factors influencing policyholder...

2016
Hiroaki KITAZAWA Naoko HASEGAWA Masayasu NAGATA Machiko FUKUDA Shin-ichi WATANABE Atsushi YAMASAKI Atsuko URAGAMI

Hiroaki KITAZAWA*, Naoko HASEGAWA, Masayasu NAGATA, Machiko FUKUDA, Shin-ichi WATANABE, Atsushi YAMASAKI, Atsuko URAGAMI Food Engineering Division, National Food Research Institute, NARO, Tsukuba, Japan Vegetable Production Technology Division, NARO Institute of Vegetable and Tea Science, Tsukuba, Japan Horticulture Research Division, NARO Kyushu Okinawa Agricultural Research Center, Kurume, Ja...

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