Environmental Studies

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Wildfires in forested areas result in the formation of organic compounds that enhance the ... Started by c0205847	1 Replies 33 Views	Jul 22, 2018 by stano32
Heat pumps can take advantage of the fact that subsoils are generally warmer in the winter and ... Started by dalyningkenk	3 Replies 21 Views	Jul 22, 2018 by tuwy
Soil temperatures under an organic mulch will likely be lower than that of bare soils in the summer ... Started by mrsjacobs44	1 Replies 37 Views	Jul 22, 2018 by otokexnaru
An increase of 5 oC in soil temperature is likely to increase shoot growth on most plants much more ... Started by shenderson6	1 Replies 66 Views	Jul 22, 2018 by Ddddd
What are the main disadvantages of a centrifugal pump in a power sprayer as compared to a roller ... Started by Awilson837	1 Replies 30 Views	Jul 22, 2018 by bitingbit
You find that the CEC of a sandy loam soil at pH 5.0 is 8 cmolc/kg and at pH 8.2 it is 14 cmolc/kg. ... Started by cdr_15	1 Replies 24 Views	Jul 22, 2018 by Toya9913
While many organisms depend on the soil for nutrients and water, only a few very specialized ... Started by stock	1 Replies 25 Views	Jul 22, 2018 by alexanderhamilton
Iron and aluminum hydrous oxides are characteristic of soils that are highly weathered chemically. ... Started by faduma	1 Replies 67 Views	Jul 22, 2018 by nothere
Vermiculite and associated silicate clays have a net electropositive charge in slightly acid soils. ... Started by Garrulous	1 Replies 225 Views	Jul 22, 2018 by Jody Vaughn
The primary source of charge for 2:1 type clay minerals is ionization of the surface hydroxyl groups ... Started by ss2343	3 Replies 181 Views	Jul 22, 2018 by Sweetkitty24130
Of the silicate clays, smectite has the least tendency to expand upon wetting and shrink upon ... Started by ssal	1 Replies 204 Views	Jul 22, 2018 by bbburns21
What are five different common types of pesticide formulations? What will be an ideal ... Started by bobthebuilder	1 Replies 69 Views	Jul 22, 2018 by C.mcnichol98
The cation exchange capacity of a soil is determined primarily by the amount and kind of colloids in ... Started by a0266361136	1 Replies 37 Views	Jul 22, 2018 by parshano
Where organic matter constitutes only 1 or 2 percent of the soil by weight, it has only negligible ... Started by mpobi80	1 Replies 50 Views	Jul 22, 2018 by Yixagurpuldink
The mineral particles in soil consist of sand, silt, and clay. Indicate whether the statement is ... Started by lilldybug07	1 Replies 47 Views	Jul 22, 2018 by BUTTHOL369
The presence of iron in a mineral generally increases its resistance to chemical breakdown. ... Started by ericka1	1 Replies 8 Views	Jul 22, 2018 by robbielu01
Except for some kinds of foods, modern industry has made human dependence on soils a thing of the ... Started by WhattoUnderstand	1 Replies 45 Views	Jul 22, 2018 by tashiedavis420
Soil horizons, like alluvial sediments, generally have a horizontal orientation, regardless of the ... Started by crazycityslicker	3 Replies 107 Views	Jul 22, 2018 by pratush dev
Before purchasing application equipment, what things should you consider? What will be an ideal ... Started by natalie2426	1 Replies 17 Views	Jul 22, 2018 by ankilker
What are the main types of manual sprayers? What type of spray tank for a manual or power sprayer ... Started by jho37	1 Replies 111 Views	Jul 22, 2018 by Natalie4ever
Gypsum or nylon electrical resistance blocks are most useful in estimating the soil water content if ... Started by Bernana	1 Replies 16 Views	Jul 22, 2018 by tandmlomax84
The two common types of agitation in spray tanks are ________ Fill in the blank(s) with correct ... Started by renzo156	1 Replies 27 Views	Jul 22, 2018 by Brenm
Describe the benefits that earthworms provide and the damage that they do. What will be an ideal ... Started by Anajune7	1 Replies 36 Views	Jul 22, 2018 by jessicaduplan
Hydroponics will likely be a key element in enabling the world to feed and clothe its increasing ... Started by APUS57	1 Replies 20 Views	Jul 22, 2018 by samiel-sayed
Topsoil is generally equivalent to which soil horizon? A) A B) B C) C D) D E) ... Started by Caiter2013	1 Replies 27 Views	Jul 22, 2018 by tanna.moeller