نتایج جستجو برای: crop husbandry
تعداد نتایج: 71462 فیلتر نتایج به سال:
BACKGROUND Grassland degradation caused by overgrazing poses a threat to both animal husbandry and environmental sustainability in most semi-arid areas especially north China. Although the Chinese Government has made huge efforts to restore degraded grasslands, a considerable attempt has unfortunately failed due to an inadequate consideration of economic benefits to local communities. METHODO...
All human societies must solve a set of problems related to food. The first of these is to procure edible plants and animals through some form of production process. Early humans relied mainly on hunting, fishing, and gathering all of which are still practiced in the modern world. About 10,000 years ago, certain plants and animals were domesticated giving rise to new methods to produce food. Cr...
Crop rotation was practiced in ancient times by alternating the use of leguminous and nonleguminous plants. The basis for the benefit derived from this practice was not understood, but it was observed empirically that crops were improved and the condition of the soil was maintained better with rotation than by continual cropping with nonleguminous plants. Rotation was recognized as good husband...
This special issue of Ambio compiles a series of contributions made at the 8th International Phosphorus Workshop (IPW8), held in September 2016 in Rostock, Germany. The introducing overview article summarizes major published scientific findings in the time period from IPW7 (2015) until recently, including presentations from IPW8. The P issue was subdivided into four themes along the logical seq...
Availability of data on agricultural activities and production are essential for an appropriate socioeconomic planning and sustainability. This study was conducted using a questionnaire that was randomly distributed to farmers to identify some features of the agricultural activities in Hail region and to serve as baseline data on agricultural practices. The questionnaire was divided into main t...
Abstract We present a comprehensive data-based characterization of the subsistence economy Chalcolithic Cucuteni–Trypillia societies (CTS) on Moldovian and Suceava plateaus Podolian Dnieper uplands. This study is based quantitative evaluation archaeobotanical samples from 34 settlement sites, with focus Trypillia mega-sites stable isotopic analysis ancient crop residues. The allows us to identi...
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