сельское хозяйство

Historically, the conservation of forests and wildlife has focused on the creation of national parks and reserves. However, only 9% of protected areas are larger than 14,000 hectares, likely making them too small to conserve ecosystem services...

British Poultry Standards 6th edition is the official reference to all the recognised Poultry Standards in Great Britain. It contains complete specifications together with judging points for all standardised breeds and varieties, as compiled by...

Trace elements occur naturally in soils and some are essential nutrients for plant growth as well as human and animal health. However, at elevated levels, all trace elements become potentially toxic. Anthropogenic input of trace elements into...

Fruit development and seed dispersal are major topics within plant and crop sciences research with important developments in research being reported regularly. Drawing together reviews by some of the world's leading experts in these areas, the...

A functional discussion of the crop selection process for biomass energy The Selection Process of Biomass Materials for the Production of Bio-fuels and Co-firing provides a detailed examination and analysis for a number of energy crops and their...

A decade ago no one except geologists had heard of tantalum or 'coltan' – an obscure mineral that is an essential ingredient in mobile phones and laptops. Then, in 2000, reports began to leak out of Congo: of mines deep in the jungle where...

Plants are sources of nourishment for thousands of fungi, bacteria, invertebrates, vertebrates, and other plants. Plants possess a truly remarkable diversity of mechanisms to fend off attackers and recent research has shown just how complex and...

Baume gehoren zu den gro?ten Lebewesen auf unserem Planeten. In faszinierender Weise haben diese langlebigen Organismen Strategien entwickelt, nachhaltig zu uberleben und Widrigkeiten, denen sie durch ihre Ortsgebundenheit ausgesetzt sind,...

The control of diseases in crops is still largely dominated by the use of fungicides, but with the increasing incidence of fungicide resistance, plus mounting concern for the environment resulting from excessive agrochemical use, the search for...

Practical how-to advice for keeping chickens «For me, raising chickens, for eggs and meat, has been one of the most enjoyable aspects of our family farm. I am a great admirer of „chicken whisperer“ Pammy Riggs, and with her two co-authors she...

Raise goats and reap the rewards. Raising Goats For Dummies provides you with an introduction to all aspects of owning, caring for, and the day-to-day benefits of raising goats. Raising Goats For Dummies is your How-to guide for: Breaking down...

The tools you need to raise and care for beef cattle Beef cattle farming is a business that continues to grow in the United States and around the world, and it will only grow larger as the demand for beef continues to increase. Raising Beef...

An objective look at America's rapidly shrinking water supply Once believed to be a problem limited to America's southwest, water shortages are now an issue coast to coast, from New England to California. In Aqua Shock: The Water Crisis in...

В учебнике изложены основные причины деградации почв и способы их охраны и оптимизации обстановки при разном уровне интенсификации сельскохозяйственного производства. Акцентировано внимание на проблемных ситуациях и не решенных пока вопросах,...

В учебном пособии рассмотрены нарушения физиологических процессов у растений под действием биотических и абиотических факторов, оценена их роль в формировании урожая и его качества. Приведены визуальные симптомы некоторых наиболее...

Даны основные положения оросительных и осушительных мелиораций, режима орошения сельскохозяйственных культур, способов регулирования водного режима осушаемых земель. Рассмотрены вопросы регулирования местного стока, в том числе лиманное...