Sweet potato (Ipomoea batatas L.) is an important starch-producing crop used worldwide. However, few studies have been conducted on the energy efficient, cost benefit, and greenhouse gas (GHG) emissions of sweet production. To address this issue, data were collected using a questionnaire for face-to-face interviews 78 growers 74 reference (i.e., rice, maize, potato) in Guangdong province. Resul...

Pigs that grow slower than their contemporaries can cause complications for animal welfare and profitability. This study was conducted to investigate factors that may contribute to slow growth of pigs. Pigs ( = 440) farrowed by 65 sows were monitored from birth to market. Pigs were categorized as slow, average, and fast growers based on market weight adjusted to 170 d of age (slow growers were ...

Farmer field schools (FFS) originally were developed for rice in Asia by the Food and Agriculture Organization of the United Nations (FAO) for teaching integrated pest management. These were season-long courses involving 25 farmers and a trained facilitator. The main focus was promoting learning by discovery, which included hands-on training activities such as insect zoos and the use of field e...

The study aimed at investigating the role of social capital in citrus growers’ empowerment in Sari County. The statistical population comprised 12 800 citrus growers in Sari County. The stratified random sampling was employed in this study in an attempt to recruit 291 individuals as prospective participants. Data collection tool was a questionnaire. In order to establish its content validity, s...

Potato is often considered synonymous with Ireland, due to the great Irish famine in 1845, and remains most important primary food crop Ireland. Over last 60 yr, area of potatoes has reduced from 86,000 ha 9,000 ha. This trend occurred developed countries but Ireland it decreasing consumption, increasing yield, decline seed production no longer being use for animal feed. Significant specialisat...

Decline in Pesticide Use by Canadian Farmers Farmers in Ontario are spraying smaller amounts of pesticides on their crops than in the past. From 1983 to 1993, pesticide use dropped by a dramatic 28.3%, according to the Ontario Ministry of Agriculture, Food, and Rural Affairs (OMAFRA). By comparison, pesticide use in the United States fell 15% between 1982 and 1992. Under the Food Systems 2002 p...