TEST 3 Morgan

Sapwood is _______________
____________ xylem.

______ is required for
complete flowering and fruit development

______________________is the shrinkage of individual cells due to loss water, causing the cell to
become flaccid.

Overall chlorosis of the leaves that starts at young leaves and progresses to older leaves is a
deficiency of _____.

________________ humidity is the amount of water vapor in air expressed as grams of water per
cubic meter of air (g/m3).

____________________is an instrument that measures the soil moisture tension.

Chlorosis is __________ of the leaves.

_____________ irrigation is a greenhouse irrigation system consisting of small tubes (like an IV tube) that
supply water directly to each pot.

A dead area on leaves is called _________.

_____________ is a chemical that closes or clogs stomata, thereby decreasing transpiration.

A __________________ soil has a pH of 8.5-10, and has less than 2,000 ppm total soluble salts.

_________________can be added to basic soils to decrease pH.

One element not supplied naturally by air and water is _____.

___________________ water is adsorbed onto soil particles, is held at less than -31 bars of tension, and is not available to the plant.

______________________ is the shrinkage of individual cells due to loss water, causing the cell to
become flaccid.

____________________________is a magnesium (Mg) fertilizer.

______________ is the milliequivalents per 100 grams of dry soil.

______ is one of the immobile nutrients.

_________________________is the process that converts nitrate to nitrogen gas.

A typical growing medium should contain ________% inorganic amendments.

______________________ is the positive pressure inside cells due to water uptake.

_______________ is a highly decomposed fine, amorphous organic matter in the soil.

The three essential elements supplied naturally by air and water are ____, _____,and
_____.