Up to 52 % N fertilizer replaced by biofertilizer in lowland rice via farmer participatory research
نویسندگان
چکیده
منابع مشابه
Farmer participatory research to minimize soil erosion on steepland vegetable systems in the Philippines
Soil erosion coupled with productivity decline is considered a major constraint to sustainable vegetable production in Southeast Asian steeplands, yet soil conservation technologies acceptable to vegetable growers have not been developed. Effectiveness of high-value contour hedgerows species [(Asparagus (Asparagus officinalis L.), pineapple (Ananas comosus (L.) Merr.), pigeon peas (Cajanus caja...
متن کاملnitrogen fertilizer optimization and its response to the growth and yield of lowland rice
abstract lowland rice (oryza sativa l.) in south asia is under stress, as nitrogen removals by crops are higher than their replenishment through fertilizers. limited information is available on optimizing nitrogen dose in lowland rice to turn out higher yield. the present investigation aimed to optimize nitrogen fertilization and it’s response to the growth and yield of lowland rice. we evaluat...
متن کاملManagement of Potato Late Blight in the Peruvian Highlands: Evaluating the Benefits of Farmer Field Schools and Farmer Participatory Research
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...
متن کاملResponse of traditional and improved upland rice cultivars to N and P fertilizer in northern Laos
Upland rice is typically grown under slash-and-burn systems in the mountainous regions of northern Laos by resource-poor farmers for subsistence. Upland rice cultivars are all traditional and no fertilizer inputs are used. In these systems, grain yields average only 1.7 t/ha. A multi-site experiment was conducted in Luang Prabang province to examine cultivar and fertilizer effects on grain yiel...
متن کاملOrganisational Roles in Farmer Participatory Research and Extension: Lessons from the Last Decade
Experience over the last decade suggests that participatory approaches to technical change are falling into two broad camps: public sector approaches are generally part of a client orientation strategy and rarely aim to do more than enhance the functions of technology design and delivery. By contrast, NGO approaches generally aim for the empowerment of weaker groups. This paper reviews the comp...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Agronomy for Sustainable Development
سال: 2014
ISSN: 1774-0746,1773-0155
DOI: 10.1007/s13593-014-0210-0