Environmental Studies

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The buildup of excess salts in irrigated soils can result in increased pH if the salts are high in ... Started by TFauchery	1 Replies 134 Views	Jul 22, 2018 by 14vl19
Some irrigation systems have stimulated the formation of saline and saline-sodic soils. Which of the ... Started by formula1	1 Replies 70 Views	Jul 22, 2018 by Silverbeard98
The species of microorganisms that are able to sustain themselves by slowly attacking stable soil ... Started by lak	1 Replies 77 Views	Jul 22, 2018 by abro1885
Mineralization of soil organic matter results in the addition of inorganic nutrient ions to the soil ... Started by swpotter12	1 Replies 338 Views	Jul 22, 2018 by LVPMS
In the United States, a national goal of maintaining 5 organic matter in all agricultural soils ... Started by jace	1 Replies 78 Views	Jul 22, 2018 by nikmaaacs
Well aerated soils enriched with organic amendments can help reduce the methane load in the ... Started by javeds	1 Replies 32 Views	Jul 22, 2018 by Carliemb17
Applied to agricultural crops, the term lodging refers to ________. A) plants falling over, often ... Started by Brittanyd9008	1 Replies 144 Views	Jul 22, 2018 by AISCAMPING
Methemoglobinemia is principally a potential threat to ________. A) adults drinking water high in ... Started by Bob-Dole	3 Replies 67 Views	Jul 22, 2018 by blfontai
A farmer started irrigating a soil some 10 years ago but in recent years yields have declined and ... Started by laurencescou	1 Replies 124 Views	Jul 22, 2018 by stano32
Other things being equal, a soil with 30 clay of the ________ type would be expected to have the ... Started by AEWBW	1 Replies 253 Views	Jul 22, 2018 by Silverbeard98
In acid soils the principal chemical form of potassium available for plant uptake is ________. A) ... Started by Garrulous	1 Replies 174 Views	Jul 22, 2018 by lcapri7
Manganese toxicity is most likely to be a problem under which soil conditions? A) clay loam ... Started by rachel9	1 Replies 57 Views	Jul 22, 2018 by catron30
The presence of neutral salts in an alkaline soil has a tendency to increase the pH of the soil. ... Started by BrownTown3	1 Replies 56 Views	Jul 22, 2018 by cswans24
Molybdenum deficiency is most likely to occur under which of the following soil conditions? A) ... Started by sarasara	1 Replies 38 Views	Jul 22, 2018 by xiazhe
Which method of application generally would require the greatest amount of iron to alleviate an iron ... Started by fahad	1 Replies 21 Views	Jul 22, 2018 by Hikerman221
About half the nitrogen in the A horizon of most soils becomes available to plants over the course ... Started by stevenposner	3 Replies 10 Views	Jul 22, 2018 by Alyson.hiatt@yahoo.com
Pesticides and other chemicals added to soils would be more likely to slow down nitrification than ... Started by misspop	1 Replies 20 Views	Jul 22, 2018 by HandsomeMarc
Because of their huge numbers and direct access to soil organic matter, free living microorganisms ... Started by savannahhooper	1 Replies 32 Views	Jul 22, 2018 by Ahernandez18
Although slow release fertilizers take longer to have an effect, they are more economical than ... Started by NguyenJ	1 Replies 34 Views	Jul 22, 2018 by sierrahalpin
Modern nutrient management is designed to ________. A) protect or improve soil quality B) ... Started by SAVANNAHHOOPER23	1 Replies 50 Views	Jul 22, 2018 by tuwy
How are insecticides applied to control root-feeding insects? What will be an ideal ... Started by lak	1 Replies 36 Views	Jul 22, 2018 by helenmarkerine
Consider the data in the accompanying table giving the average height of 10 trees planted in order ... Started by kshipps	1 Replies 51 Views	Jul 22, 2018 by Gabe
Integrated nutrient management seeks to apply, as fertilizer, enough of each nutrient to replace ... Started by asd123	1 Replies 64 Views	Jul 22, 2018 by blfontai
Routine soil testing on a regular basis allows landowners to monitor most changes in soil quality. ... Started by tiffannnnyyyyyy	3 Replies 41 Views	Jul 22, 2018 by kingfahad97
As runoff water flows across a grassed buffer strip, the concentrations of N and P in the water ... Started by tuffie	1 Replies 33 Views	Jul 22, 2018 by yahahah24021