Irrigated cropland翻译
WebLand. Cropland to grow food and animal feed is the central limiting resource for food production (Kastner et al., 2012 ). Over the past half century, the agricultural sector has grown increasingly efficient with the land under cultivation: per capita cropland requirements decreased by one-third between 1963 and 2005 ( Kastner et al., 2012 ). WebMar 13, 2010 · Second, irrigated pasture in these countries is included in AEI, but excluded in the cropland extent and crop-specific harvested areas grids. Irrigated pasture is of particular importance in Oceania, and probably contained in the CCC-Is as “fodder grasses,” with the result of many grid cells with high AHI as percentage of AHT.
Irrigated cropland翻译
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Web一、含义：. 1、旱田. 旱田指的是土地表面不蓄水的的田地，或浇不上水的耕地。. 在我国，旱田主要分布在北方地区，如东北三省，黄土高原，青海西藏地区。. 干旱等自然灾害也会 … WebApr 9, 2024 · The United States has a geographically mature and stable land use and land cover system including land used as irrigated cropland; however, changes in irrigation land use frequently occur related to various drivers. We applied a consistent methodology at a 250 m spatial resolution across the lower 48 states to map and estimate irrigation ...
WebOct 21, 2024 · Assuming an average seed production of 40,000 seeds per weed, this failure to control just late-season weeds returned roughly 27 million weed seeds per acre. For comparison, winter wheat seeded at 100lb/A drops roughly 1.6 million seeds per acre. On the right, a visible legacy of weedy dry fallow the year preceding return to irrigated crop ... WebMay 5, 2024 · Gravity irrigation systems use on-field furrows or basins to advance water across the field surface through gravity-means only. Pressurized systems apply water …
Webwater body and cropland) comparing with GLC_FCS30-2015. Specifically, the problems that impervious surfaces was a little over-estimation over high-latitude areas and some mountain shadows was misclassified as water body, have been improved. ... 20 Irrigated cropland (170,240,240) 51 Open evergreen broadleaved forest (76,115,0) Webirrigation. irrigation, in agriculture, artificial watering of the land. Although used chiefly in regions with annual rainfall of less than 20 in. (51 cm), it is also used in wetter areas to …
WebMay 7, 2024 · Cropland is land used for the cultivation of crops, both temporary (annuals) and permanent (perennials), and may include areas periodically left fallow or used as …
WebThe western region shows a premium for cropland for the entire period. The gap between the cropland and pasture land prices though has been narrowing. In 2005, the difference between the two was only $109 per acre. The eastern region reflects a premium for pasture land for the last ten years. chrome password インポートWebYearly average per acre irrigated & non-irrigated cropland and pastureland Cattle Cattle inventory numbers – cattle, calves, and calf crop Cattle on Feed Monthly cattle and calves on feed, placements, and marketings Cold Storage Regional and national end-of-month stock: meats, dairy products, poultry products, fruits, nuts & vegetables ... chrome para windows 8.1 64 bitsWeb"灌溉" 英文翻译: irrigate; irrigation; watering 提水灌溉 irrigation by pumping; 节水灌溉 water-efficient irrigation; 由许多河流灌溉的土地 a land irrigated by many streams; 干旱地区需要 … chrome password vulnerabilityWebIrrigated agriculture began with early settlement in the mid-1800s, but rapidly accelerated with the assistance of large, government-subsidized projects starting in the early 1900s … chrome pdf reader downloadWeb作为我国从北方到南方的典型旱地耕作土壤，黑土、潮土和红壤的质量状况决定了我国的粮食产量。但近几十年中，高强度的农耕和不合理施肥措施导致土壤酸化，也破坏了土壤微生物的群落结构，进而致使土壤耕地质量下降。土壤是地球生物圈中微生物种类和多样性最高的生态环境，微生物在地球 ... chrome pdf dark modeWebMar 15, 2024 · Center pivot irrigated cropland averaged 13% higher, with the northeast, east and southeast regions leading Nebraska in market value increases between 14% and 19%. … chrome park apartmentsWebEach LGRIP 30 meter resolution GeoTIFF file contains a contains a layer that identifies areas of rainfed cropland (cropland areas that are purely dependent on direct precipitation), irrigated cropland (cropland that had at least one irrigation during the crop growing period), non-cropland, and water bodies over a 10° by 10° area, as well as ... chrome payment settings