Carp is one of the most widely cultivated warm water fish, which has been introduced into many countries. It is essential for the manager of a carp farm to know the production costs and their evolution, showing the main inputs on which the cost reduction is worth effort. In Iran, carp farming is mainly based on common carp, silver carp, grass carp, and bighead carp, which were often reared in p...

Insect pests are the major source of crop damage, yield and quality reduction in Pakistan and else where in the world. Cotton crop is the most hit crop in Pakistan followed by rice and the second most important foreign exchange earning crop. A wide variety of staple, horticultural and cash crops grown, reflect serious problems of many types of insect pests. To overcome the insect pest problem, ...

Cotton production makes an important contribution to the income of rural residents and economy in Xinjiang province, which leads other provinces terms planted area, total production, average yield cotton China. This study analyzed competitiveness area using efficiency advantage index (EAI), scale (SAI), aggregated (AAI). Moreover, factors influencing productivity have been investigated by use r...

Extensive cultivation of crops genetically engineered to produce insecticidal proteins from the bacterium Bacillus thuringiensis (Bt) has suppressed some major pests, reduced insecticide sprays, enhanced pest control by natural enemies, and increased grower profits. However, these benefits are being eroded by evolution of resistance in pests. We report a strategy for combating resistance by cro...

introduction earth's atmosphere plays an important role in preventing the temperature decrease. one of the principal factors of environmental pollution and the main source of earth's climate and biodiversity changes is greenhouse gas emissions from various sources, particularly agricultural sector. agriculture sector is considered as a major source of greenhouse gas sequestration, including me...

Over the years, genetically modified organism (GMO) development and regulation in China have regularly attracted international attention. In the early 1990s, China became the first country to commercialize a genetically modified (GM) crop with planting of a virus-resistant transgenic tobacco variety on a relatively large scale, while other parts of the world were debating about the risks of GMO...

In our first two columns, we described innovative practices that Advanced Practices Council (APC) members shared with their colleagues at recent meetings. In this column, we describe the ideas that Jim Tosone, a long-standing APC member, shared at the October APC meeting. A contributor to the recently published “Complete Idiot’s Guide to the U.S. Constitution,” Tosone explained how understandin...

This study aimed at morphometrically evaluating the influence of variable caloric values of ethanol consumption on alveolar bone loss in periodontitis in male rats. Thirty-six male rats were randomized into four groups of nine rats each, as follows: Test group A (low) - rats were fed an ethanol-containing liquid diet (ethanol representing 22% of total caloric value); Control group A -rats were ...

Pamuk bitkisi yoğun bir emek ve masraf gerektiren önemli endüstri kültür bitkisidir. Bununla birlikte pamukta verim kaliteyi etkileyen pek çok zararlı böcek türü olup, bu zararlılarla mücadelede birçok insektisit kullanılmaktadır. Kimyasal mücadele insan çevre sağlığı yanı sıra hedef olmayan organizmalar üzerinde de ciddi problemler meydana getirmektedir. Bunun yanında yöntemlerinden biri biyol...

At the end of the 19th century, after having long neglected sanitary conditions in rural areas, Argentinean public health authorities began to recognize the need to combat malaria in the country's northern provinces. The disease was proliferating among workers in the sugarcane and cotton industries, jeopardizing national and international economic interests. The crusade against malaria involved...