Titlebook: ;

inclusive

CERE

Nausea

Insect and Disease Control,o 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.

空气

喧闹

Mri485

PHON

Light,Greenhouses are converters of solar radiation. Their ability to do this efficiently depends upon location, structure, and arrangement. Greenhouses overcome climatic disadvantages so that solar energy can be put to economic use. A knowledge of basic principles is helpful in manipulating greenhouses and plant growth.

震惊

crockery

https://doi.org/10.1007/978-3-642-11434-2ly reduces cost for water to an insignificant factor in greenhouse culture (Hanan, 1968) (Fig. 5–2). Greenhouse culture is one agricultural system that can compete directly with industrial and domestic water users for available water supplies.

conformity