Environmental Studies

Replies / Views	Last post
Over time, hydroponics has become a less important mode of producing vegetables and other ... Started by piesebel	1 Replies 119 Views	Jul 21, 2018 by yuyiding
Soils vary in temperature, organic matter, and the amount of air and water they contain. ... Started by Tirant22	3 Replies 87 Views	Jul 21, 2018 by Dinolord
Much of the original work of soil mapping was completed by the: a. Forestry Service c. Farm ... Started by Themember4	1 Replies 74 Views	Jul 21, 2018 by ky860224
A properly limed and fertilized forage crop is the backbone of a successful crop: a. row c. yield ... Started by mydiamond	1 Replies 59 Views	Jul 21, 2018 by LP
Soil capability subclasses are designated by: a. lowercase letter e, w, s, or c c. the numerals 1 ... Started by colton	1 Replies 28 Views	Jul 21, 2018 by ErinKing
The term for the proportion and size of soil particles is: a. percolation c. texture b. ... Started by shenderson6	1 Replies 23 Views	Jul 21, 2018 by jliusyl
What does 7 represent on the pH scale? a. acid c. alkaline b. basic d. ... Started by olgavictoria	1 Replies 18 Views	Jul 21, 2018 by Anna
Peat moss consists of partially decomposed mosses that have accumulated in waterlogged areas called: ... Started by newbem	1 Replies 31 Views	Jul 21, 2018 by Laurenleakan
Without soil microbes, organic materials would not: a. thrive c. mix b. multiply d. ... Started by saraeharris	1 Replies 11 Views	Jul 21, 2018 by juiceman1987
Soil groups within the subclasses are called ____________________ units. Fill in the blank(s) ... Started by sdfghj	3 Replies 45 Views	Jul 21, 2018 by amcvicar
In acid soils, ____________________ is needed to raise the pH value for efficient production of ... Started by silviawilliams41	1 Replies 22 Views	Jul 21, 2018 by Tonny
____________________ is a mixture of partially decayed organic matter such as leaves, manure, and ... Started by humphriesbr@me.com	1 Replies 33 Views	Jul 21, 2018 by parshano
The relative sizes of soil particles, from smallest to largest, are clay, silt, and ... Started by NClaborn	1 Replies 70 Views	Jul 21, 2018 by Cnarkel
The tool used to collect a uniform volume of soil is called a soil ____________________. Fill ... Started by sjones	1 Replies 104 Views	Jul 21, 2018 by peilian
Name three types of living organisms that greatly affect soil formation. What will be an ... Started by newyorker26	1 Replies 28 Views	Jul 21, 2018 by morganmarie791
Name three groups of organisms from the plant kingdom that are often found in soil. What will ... Started by olgavictoria	1 Replies 16 Views	Jul 21, 2018 by Jmfn03
What taste terms are given to acid and alkaline soils? What will be an ideal ... Started by maegan_martin	1 Replies 31 Views	Jul 21, 2018 by ASDFGJLO
What is weathering? What will be an ideal response? ... Started by KimWrice	3 Replies 13 Views	Jul 21, 2018 by ntsoane kedibone
What are soil aggregates? What will be an ideal response? ... Started by vicky	1 Replies 13 Views	Jul 21, 2018 by smrerig
About 10 percent of the timber harvested in the United States each year is Douglas fir. ... Started by jman1234	1 Replies 21 Views	Jul 21, 2018 by zenzy
Heartwood is inactive, rigid tissue. Indicate whether the statement is true or ... Started by karateprodigy	1 Replies 20 Views	Jul 21, 2018 by debra928
1. A board foot is a unit of measurement for lumber equal to: a. 1-in 12-in 12-in c. 3-in ... Started by jrubin	1 Replies 74 Views	Jul 21, 2018 by jamesnevil303
The growth layer in a tree root, trunk, or limb is called the: a. pulpwood c. cambium b. annual ... Started by charchew	1 Replies 143 Views	Jul 21, 2018 by Carissamariew
Which tree is recognized by its star-shaped leaves and distinctive ball-shaped fruit? a. hickory ... Started by Tirant22	1 Replies 67 Views	Jul 21, 2018 by jaygar71
The most important species of tree in the United States today probably is the ____________________. ... Started by cdr_15	1 Replies 16 Views	Jul 21, 2018 by xiazhe