نتایج جستجو برای: agriculture using cochran
تعداد نتایج: 3436636 فیلتر نتایج به سال:
We will be thinking dreaming and breathing statistics in this volume To ensure we retain a balanced perspective on life I refer you to the famous American Robert Frost s well known poem The Road Not Taken see end of this article With apologies to Robert Frost rather than focusing on roads not taken we shall brie y consider instead roads we have taken or The Roads Traveled over the year journey ...
Agriculture sector contributing a significant share in World economy and more than nine counties agronomy is the leading segment. Population rising immensely therefore quality quantity of food demand increases enormously. segment providing employment prospects to large population as well. Conventional farming styles used by farmers are not competent fulfil enlarged demand. To meet growing deman...
this study aimed at identifying and analyzing issues and challenges on the agricultural research and technology development under the national innovation framework. the survey consisted of two groups: agricultural researchers of agriculture-research and education organization and all faculty members of public agricultural faculties of ministry of scientific, research and technology. using cochr...
By explicitly taking into account the effects of vibration-induced dipole-dipole interactions between periodic supercells, we derive an efficient formulation to calculate the phonon frequencies of an ionic crystal. We demonstrate that the vibration-induced dipole-dipole interactions lead to a constant contribution to the interatomic force constant in real space. It recovers the result of Cochra...
Sustainable agriculture depends on the use of eco-friendly technologies by farmers.This research was conducted to identify and evaluate farmers' intent to use pheromone traps for controlling rice pests in paddy farms of Simorgh County, Mazandaran Province. Methodologically, this research was carried out using a questionnaire-based survey. The statistical population of this rese...
this survey research was conducted to investigate the professional facilitation competencies of agricultural extension experts. the statistical population of the study consisted of all extension practitioners working in different provincial extension departments of the ministry of jihad-e-agriculture. using cochran's formula, 232 extension practitioners were selected as sample using multi-...
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