abstract since about 34% of areas under rice cultivation in whole country is attributed to gilan; in this study we pay attention to some economical dimensions, especially economic values of inputs in this region. data were collected from 80 rice producers in 2007-2008. consider to importance the parametric approach in production structure and factors demand, applying seemingly unrelated regress...

The purpose of this study was to identify factors which affect rural women's participation in rice cultivation (RWPRC) in Mazandaran Province, Iran. The population of this research consisted of all rural women in Mazandaran Province, Iran. By using a multi-stage random sampling, 300 rural women were selected as statistical sample. The research instrument was a structured questionnaire including...

Thailand is one of the world’s leaders of rice producers and exporters. Farmers have to increase the rice cultivation frequency for serving the national increasing of export’s demand. It leads to an elimination of rice residues by open burning which is the quickest and costless management method. The open burning of rice residue is one of the major causes of air pollutants and greenhouse gas (G...

A study was conducted to determine the magnitude of area shifting to different crops over the years, assess the profitability of maize cultivation and to evaluate the factors determining area devotion to maize cultivation in Bangladesh. Sample survey was done in five districts capturing both favourable and drought prone production environment. Two villages under each district were chosen in con...

Crop-land suitability analysis is a prerequisite to achieve optimum utilization of the available land resources for sustainable agricultural production. One of the most important and urgent problems in Bangladesh is to improve agricultural land management and cropping patterns to increase the agricultural production with efficient use of land resources. In Bangladesh, agriculture is the mainsta...

. Bilaspur State is a hill state, in the Simla "^ls. Its area is 452 square miles; the average altitude is 3,000 feet though some of the hills ] jse to a height of 6,000 feet or over. Most of t'le land is under cultivation, and the crops Senerally grown are maize, wheat and rice. The y?urce of irrigation is chiefly rain water. The staple diet of the public is maize and dal, with occasionally wh...

Plants depend upon beneficial interactions between roots and microbes for nutrient availability, growth promotion, and disease suppression. High-throughput sequencing approaches have provided recent insights into root microbiomes, but our current understanding is still limited relative to animal microbiomes. Here we present a detailed characterization of the root-associated microbiomes of the c...

As the demand for food and fiber grew during the past 300 years, because of the Earth’s expanding human population and rising per capita incomes, society met this demand first by increasing the land area under cultivation and later by improving crops so that their yields were higher. Before 1900, land was abundant almost everywhere, and in the United States, new lands were brought into producti...