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THROB

SPASM

,Communication Media—Written Text and Print,otassium (K), sulfur (S), calcium (Ca), magnesium (Mg), iron (Fe), manganese (Mn), boron (B), copper (Cu), zinc (Zn), chlorine (Cl), and molybdenum (Mo) (Table 7–1). Carbon, hydrogen, and oxygen are supplied with methods not considered here under the heading of nutrition. The remaining elements are

招致

,The “Making” of the Ground-Plan of Nature,otosyn-thetic rate which can ultimately be translated in terms of growth, yield, and quality. Many plants continue to photosynthesize at zero CO. levels as liberation of the gas produced in respiration will be utilized. However, growth is minimum, and, as the plant continues to respire in the dark,

insidious

https://doi.org/10.1007/978-0-387-48940-7o afford survival without any one dominating. Generally, the numbers will be several, and the tendency for any one to dominate the biological scene is restricted by its predators or availability of food. The vigor of a population is somewhat less than the genetic potential.

炸坏

Description and function of the muscley any physiological process in plants. Control of growth in horticulture is usually practiced through temperature, water, feeding, photoperiod, and pruning. Chemical growth regulators give us one more set of tools for making adjustments to plant growth and development.

挫败

蹒跚

On the Factors which Compromise Health,oduced were sold to the consumer by conventional retail florists and 21% were sold by retail growers in 1949. This emphasizes the extreme importance of retail florists to flower and plant producers. When an industry has this sort of established market, a thorough understanding of this market and its

Matrimony

Urea508

疲劳

Water, the plant. Most water passes through the water conducting tissue and evaporates into the air. For example, one kg of dry alfalfa represents 8001 of water (Maxwell, 1965). One carnation flower can use one gallon of water by the time it is cut (Hanan and Jasper, 1967). Rutland (1972) found that singl