...activity. Clays are distinguished from other small particles present in [[soil]]s such as [[silt]] by their small size, flake or layered shape, affinity f
...a drinking vessel made of sun-dried clay. Depending on the content of the soil, clay can appear in various colors, from a dull gray to a deep orange-red.
5 KB (718 words) - 04:00, 6 April 2007
...ike all melons, cantaloupes grow best in sandy, well-aerated, well-watered soil that is free of encroaching weeds.
==Food chemistry==
6 KB (906 words) - 04:46, 14 April 2007
...in the soil. Where it has been introduced, it changes the chemistry of the soil, and therefore allows other exotics to establish themselves, to the detrime
4 KB (588 words) - 02:39, 14 December 2009
...solated populations throughout its range and requires well drained and dry soil, full sun, little water, and high summer temperatures. In Utah, it only
...effects (Tobacco sage does not appear to be orally active <ref>Psychedelic Chemistry, Michael Valentine Smith. ISBN 0915179105</ref>); also used in sweatlodge c
5 KB (704 words) - 09:03, 26 July 2007
...nt to cold than the [[carambola]], growing best in rich and well-drained [[soil]] (but also stand [[limestone]] and [[sand]]). It prefers evenly distribute
*[[ash (analytical chemistry)|Ash]] 0.31-0.40 g
5 KB (712 words) - 19:17, 17 November 2007
...nt to cold than the [[carambola]], growing best in rich and well-drained [[soil]] (but also stand [[limestone]] and [[sand]]). It prefers evenly distribute
*[[ash (analytical chemistry)|Ash]] 0.31-0.40 g
5 KB (731 words) - 12:55, 10 November 2007
...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
...ess]], which produces [[ammonia]]. This ammonia is applied directly to the soil or used to produce other compounds, notably [[ammonium nitrate]] and [[urea
22 KB (3,099 words) - 12:48, 8 April 2007
...spread use of chemical herbicides, [[cultural controls]], such as altering soil pH, salinity, or fertility levels, were used to control weeds. Mechanical c
...hin a few weeks) after being applied. Instead it is carried deep into the soil by rainfall causing the aforementioned contamination. Atrazine is said to
16 KB (2,413 words) - 03:34, 6 April 2007
...ddle spring. Place the plant preferably in full sun, and in somewhat sandy soil. Strawberries are a strong plant that will survive many conditions, but, du
|journal=[[Journal of Agricultural and Food Chemistry]]
12 KB (1,758 words) - 17:48, 3 August 2010
Colas require a rich, well-drained soil. Those introduced into the West Indies and other parts of America, especial
...bon dioxide]] dissolves in water), and so can react violently with [[Base (chemistry)|basic]] chemicals, such as [[baking soda]]. Many colas also contain [[phos
7 KB (1,152 words) - 17:09, 29 July 2009
...moist, [[acid]]ic soil. Nutrient-poor soils are tolerated but not [[base (chemistry)|alkaline]] soils.
6 KB (813 words) - 22:01, 2 July 2010
...tyle (botany)| style]] is hollow. Agapanthus does not have the distinctive chemistry of [[Alliaceae]].
...9 to 11. In lower-numbered zones, the bulbs should be placed deeper in the soil and mulched well in the fall. They can also be dug up and stored indoors du
5 KB (833 words) - 03:04, 30 December 2013
...ehyde). Important aroma compounds of toasted cumin are the [[Substitution (chemistry)|substituted]] [[pyrazine]]s, 2-ethoxy-3-isopropylpyrazine, 2-methoxy-3-''s
...s. It is grown from seed sown in spring, and needs a fertile, well-drained soil.
8 KB (1,192 words) - 03:52, 13 September 2007
...t, [[acid|acidic]] soil. Nutrient-poor soils are tolerated but not [[base (chemistry)|alkaline]] soils. They are extremely hardy, tolerating −40 °C or lo
7 KB (978 words) - 10:28, 22 August 2009
...the soil''. A literal reading of the English word yields: ''tillage of the soil of a field''. In modern usage, the word ''agriculture'' covers all activiti
...chemical insecticides (see [[pest control]]), and chemical [[fungicides]], soil makeup, analysis of agricultural products, and nutritional needs of farm an
27 KB (3,823 words) - 14:20, 7 May 2007
...cereals. <ref>{{cite book|last=Lasztity|first=Radomir|year=1999|title=The Chemistry of Cereal Proteins|publisher=Akademiai Kiado(English)|isbn=978-0849327636}}
Oats are sown in the spring, as soon as the soil can be worked. An early start is crucial to good yields as oats will go dor
15 KB (2,420 words) - 09:59, 18 July 2007
.... Primeval redwood forests, coastal mangrove stands, sphagnum bogs, desert soil crusts, roadside weed patches, wheat fields, cultivated gardens and lawns;
..., vegetation strongly affects soil characteristics, including soil volume, chemistry and texture, which feed back to affect various vegetational characteristics
23 KB (3,283 words) - 04:10, 6 April 2007
...tumn), deciduous trees shed their leaves. These leaves decompose into the soil.
...i-layered palisade layer, while shade leaves or older leaves closer to the soil, are single-layered.
25 KB (3,699 words) - 11:57, 29 July 2007
...mass, seeds may be ground for livestock food or as a component of organic soil for plants. Planted seeds are used for new palm tree stock which, under th
...ility of Acai (Euterpe oleracea Mart.). ''Journal of Agricultural and Food Chemistry'' 52: 1539-1545.
18 KB (2,702 words) - 15:48, 7 July 2010
...ing way in horticulture to genetics and the sciences having to do with the soil, discovery and activity being greatest in these fields. Thus, there is no s
...he scientist; the art of tillage is or should be founded on the science of soil physics. A widely different phase of physics cornea into action when the me
28 KB (4,236 words) - 12:53, 1 October 2009