...sign, development, and management of [[Sustainable agriculture|sustainable agricultural systems]].
...the methods of agroecology have as their goal achieving sustainability of agricultural systems balanced in all spheres. This includes the socio-economic and the
9 KB (1,261 words) - 07:37, 16 September 2007
...lowing the essential principles [[Organic farming|organic agriculture]] in soil building and conservation, pest management, and heritage-species preservati
...ck mineral supplements are soil-building mainstays. Through care and good soil condition, it is hoped that insect, fungal,or other problems that sometimes
6 KB (885 words) - 11:54, 5 May 2007
...by the speaker to be a [[nuisance]] in a [[garden]], [[lawn]], or other [[agricultural]] development.
...wth of other plants by blocking light or using up [[nutrient]]s from the [[soil]]. They also can harbor and spread plant [[pathogen]]s that can infect and
8 KB (1,340 words) - 19:45, 13 March 2010
...n to [[plant]]s to promote growth; they are usually applied either via the soil, for uptake by plant roots, or by [[foliar feeding]], for uptake through le
===Agricultural versus horticultural===
22 KB (3,099 words) - 12:48, 8 April 2007
.... It appropriates $15,000 to each state for the purpose of establishing an agricultural experiment station, to be located at the land-grant college unless the stat
Agricultural Experiment Station of the Alabama
28 KB (4,236 words) - 12:53, 1 October 2009
...of the practice of agriculture—more formally known as [[agricultural science]].
...ulture]] is a major element of [[history of the world|human history]], as agricultural progress has been a crucial factor in worldwide [[social change|socio-econo
27 KB (3,823 words) - 14:20, 7 May 2007
In [[1933]] he was appointed Professor of Game Management in the Agricultural Economics Department at the [[University of Wisconsin-Madison]]. He lived i
...e [[environmental movement]] and a widespread interest in [[ecology]] as a science. By the same token, the Wilderness Society and Leopold’s work in it were
8 KB (1,156 words) - 04:30, 15 September 2007
...=2 | pages=97-105}}</ref> with the additional effect that more life in the soil allows for higher water retention. This helps increase yields for farms in
...oxic effects of pesticides. In: Casarett and Doull's Toxicology: The Basic Science of Poisons (Kla
33 KB (4,652 words) - 04:14, 6 April 2007
.... Primeval redwood forests, coastal mangrove stands, sphagnum bogs, desert soil crusts, roadside weed patches, wheat fields, cultivated gardens and lawns;
...mate. Second, vegetation strongly affects soil characteristics, including soil volume, chemistry and texture, which feed back to affect various vegetation
23 KB (3,283 words) - 04:10, 6 April 2007
'''Botany''', '''plant science(s)''', '''phytology''', or '''plant biology''' is a branch of [[biology]] a
...te book | author=Chapman, Jasmin, et al.| authorlink= | coauthors= | title=Science Web | date= | publisher=Nelson Thornes | location= | isbn=0-17-438746-6 | p
31 KB (4,237 words) - 22:06, 10 February 2010
...arge areas in rotation with general farm crops, are sometimes looked on as agricultural rather than horticultural subjects.
...orticultural subjects when grown in small areas for home or table use, but agricultural subjects when grown on large areas for stock-feeding.
29 KB (4,618 words) - 17:41, 21 October 2009
...eat influence in re-directing rural civilization. They are rapidly putting agricultural and rural subjects into educational form, and are demonstrating that such s
...usbandry, home economics, farm mechanics and engineering, rural economy or agricultural economics, landscape gardening or landscape art, drawing, rural education,
23 KB (3,433 words) - 22:34, 15 September 2009
...icity a Key Factor in the Success of Polyploid Wheat Under Domestication", Science 316 [Issue 5853], p. 1862, 29 June 2007 </ref>. These wild wheats were dome
...ontinued to increase, as new land came under cultivation and with improved agricultural husbandry involving the use of [[fertilizer]]s, threshing machines and reap
23 KB (3,389 words) - 13:38, 15 July 2007
...hy, J.P. 1999. Progenitor germplasm of domesticated hexaploid oat. <i>Crop science</i> 39: 1208-1214</ref>
{{agricultural production box
15 KB (2,420 words) - 09:59, 18 July 2007
...having kinds of food available which can not be locally produced due to [[soil]], [[climate]] or labor conditions).
...ed from the perspective of a basic ecological unit defined by its climate, soil, [[drainage basin|watershed]], [[species]] and local [[agrisystem]]s, a uni
17 KB (2,667 words) - 15:01, 9 April 2007
rained]] [[soil]] with a lot of [[mulch]]. In commercial planting, seeds are planted 45 cm
...ncient Agriculture in the Lowlands of Mesoamerica]", ''[[Science (journal)|Science]]'', 18 May 2001:Vol. 292. no. 5520, pp. 1370 - 1373.
15 KB (2,332 words) - 12:19, 5 August 2009
...growing to 1–1.8 m tall, occasionally more depending on the variety and [[soil]] fertility. The grass has long, slender [[leaf|leaves]] 50–100 cm long a
...rice is no older than 7000 B.C. [[Jared Diamond]], a biologist and popular science author, summarizes some of the work done by professional archaeologists men
47 KB (7,007 words) - 07:21, 14 July 2007
...ccessed by a long taproot, or an ability to live on previously uninhabited soil types. For example, [[barb goatgrass]] (''Aegilops triuncialis''), can be
...In allelopathy, a plant will secrete chemicals which make the surrounding soil uninhabitable, or at least inhibitory, to other plant species.
45 KB (6,803 words) - 12:29, 14 May 2007
...vated in the United States," by A. J. McClatchie. University of California Agricultural Experiment Station Bulletin No. 196, by Norman D. Ingham, is a practical gu
...the pound is 12,000. Eucalyptus seed will germinate and grow in nearly any soil but the best results are secured when the seeds are sown in a light loam, w
24 KB (3,936 words) - 15:24, 27 September 2009
...arth's surface, or is found in greater extremes of climate or diversity of soil.
...merous, the number of plants is enormous, often clothing vast areas. Where soil is thin or moisture insufficient, the grasses grow in bunches more or less
16 KB (2,369 words) - 07:40, 15 September 2009