Agricultural science

This monograph has been written in the hope that it will prove of value to medical students and clinicians, to Honours undergradu- ates in appropriate branches of the natural sciences, and to repro- ductive biologists in general.

th th On June 17 and 18 1987 the fourth workshop on "e;Azospi- rillum: Genetics, Physiology, Ecology"e; took place at the Uni ver- sity of Bayreuth, West Germany, organized by the Genetics depart- ment.

At last geochemists are offered one comprehensive reference book which gives the Eh-pH diagrams for 75 elements found in the earth's surface environment, including transuranic and other radioactive species.

Low temperature represents, together with drought and salt stress, one of the most important environmental constraints limiting the pro- ductivity and the distribution of plants on the Earth.

I have for a number of years taught a course in population genetics for students interested in plant and animal breeding.

This volume comprises the lectures of the speakers at the NATO Advanced Research Workshop held at the Congress Centre The Flevohof at Biddinghuizen, The Netherlands, May 11-16, 1986.

The identification of inputs and outputs is the first and probably most important step in testing and analyzing complex systems.

Forest inventory may be defined as the technique of collecting, evaluating and presenting specified information on forest areas.

For the first time a state-of-the-art of present metal pollution along the coastline of Latin America is provided.

"e;Instead of dirt and poison we have rather chosen to fill our hives with honey and wax; thus furnisning mankind with the two noblest of things, which are sweetness and light"e;.

As a result of the green revolution, the use of yield-increasing inputs such as fer- tilizer and pesticides became a matter of course in irrigated rice farming in Southeast Asia.

The 12th International Conference on Plant Growth Substances was held from 26th to 31st August 1985 in Heidelberg, F.

Advisory work, by its very nature, is an intermediary between the re- search worker and those who apply the results of his research.

The Plant Root and the Rhizosphere was a major topical feature of the first International Symposium on Factors Determining the Behavior of Plant Pathogens in Soil held at the University of California, Berkeley in 1963.

Biotechnology has come to a stage where, by replacing some of the age- old practices of breeding, it can produce novel and improved plants and animals that can better serve human beings and their purposes.

On May 25,1978, the Commission on Toxicology ofthe Division of Clinical Chemistry of the International Union of Pure and Applied Chemistry (IUPAC) established its Subcommittee on Environmental and Occupational Toxicology of Cadmium following aseries of Commission meetings in Kristiansand, Norway.

Polychlorinated biphenyls (PCBs) have been produced commercially since be- fore 1930.

T.

These are the proceedings of an Advanced Research Workshop (ARW), sponsored by the NATO Science Panel, entitled "e;Pest Control: Operations and Systems Analysis in Fruit Fly Management"e;.

Compared with forces occurring in soil mechanics problems in civil engineering, the forces that are applied to soil in farming operations generally have a short duration, less than a few seconds, a small loaded area, no more than a few square decimeters, and small intensities, 10 bar being a high value.

This volume contains the proceedings of the International Sym- posium on North Sea Dynamics which was held in Hamburg, August 31 - September 4, 1981.

Geoffrey R.

Much has been learned about the proper and judicious use of fertilizers.

In keeping with the spirit of an Advanced Series in the Agricultural Sciences, we have attempted to address herein most of the current research areas being used to characterize, describe and manage salt-affected soils.

The development of a crop, and therefore its health, is always the result of interplay between biological and environmental factors, as influenced by human agency.

The enormous public interest of specialists as well as of engaged and concerned citizens in the energy problem can be understood in view of the fact that the future of national and world-wide economy depends on the availability of sufficient primary energy.

Rapid progress in the field of organophosphate compounds has made this new edition necessary.

Herbicides are part of modern agricultural production systems and therefore contribute significantly to the economy of agricultural products.

China contributes a large part to rice production, one of the most important crops in the world.

Agrometeorology is a comparatively young science.

The purpose of this book is to provide the reader with some basic information applicable to cattle feeding.

The change in greenhouse operation and technology in the last 20 years has been unprecedented.

The subject area embraced by the term "e;biological control"e; in its classical sense is very broad indeed.

The Advanced Series in Agricultural Sciences is designed to ftll a long-felt need for advanced educational and technological books in the agricultural sciences.

Production of food to meet the demands of an ever-increasing human population in the world is the major task and challenge to agriculture today.

'frees contribute a major part of fuel, fodder and fruit, and are an im- of bioenergy.

Haploid plants have the gametophytic number of chromosomes.

Dredged Material and Mine Tailings are two of the same thing once they are deposited on land: they must be safe-guarded, wash-out must be prevented, and they must be protected by a plantcover.