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Закрити книгу / close this bookAbstracts on Sustainable Agriculture (GTZ; 1992; 423 pages)
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts On Traditional Land-Use Systems
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on farming systems research and development
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on integrated systems
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on cropping system
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on agroecology
Закрити папку / close this folderAbstracts on agrometeorology
Перегляд документу / View the documentAcknowledgements
Перегляд документу / View the document1. Air pollution and agriculture.
Перегляд документу / View the document2. The greenhouse effect and primary productivity in european agro-ecosystems.
Перегляд документу / View the document3. Vegetation and the atmosphere:
Перегляд документу / View the document4. Microclimate: the biological environment.
Перегляд документу / View the document5. Microclimate management by traditional farmers.
Перегляд документу / View the document6. Environmental stress in plants.
Перегляд документу / View the document7. The impact of climate variations on agriculture.
Перегляд документу / View the document8. Drought spells and drought frequencies in west-Afrika (durée et fréquence des périodes séches en Afrique de l'ouest.)
Перегляд документу / View the document9. Potential effects of global climate change on cool season food legume productivity
Перегляд документу / View the document10. Weather and rice.
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on agroforestry
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on homegardens
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on seed production
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on plant protection
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on water management
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on soil fertility
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on erosion and desertification control
Вiдкрити папку i переглянути змiст / Open this folder and view contentsAbstracts on potential crops for marginal lands
 

4. Microclimate: the biological environment.

Wiley & Sons, New York, 1983, (2nd Ed.)

This book contains twelve chapters:

 

- on the radiation balance;
- soil heat flux and soil temperature;
- air temperature and sensible heat transfer;
- wind and turbulent transfer;
- atmospheric humidity and dew; modification of the soil temperature and moisture regimes;
- evaporation and evapotranspiration;
- field photosynthesis, respiration and the carbon balance;
- windbreaks and shelter effects;
- frost and frost control;
- water use efficiency in crop production;
- human and animal biometeorology.

This is a textbook close to the climate aims of understanding modification practice and potential. Especially microclimatic influences of different mulches and shelters and the manipulation of evaporation and frost climate are quantitatively dealt with. It is summarized that the literature of shelter effect is reasonably consistent in its conclusions that: shelter alters microclimate; shelter reduces potential evapotranspiration; shelter reduces actual evapotranspiration; shelter improves internal water relations, for example greater internal water potential, lower stomatal resistance; shelter provides improved opportunity for photosynthesis; shelter generally increases yield. On the one hand these benefits may be most dramatic in dry years or when moisture shortages are critical, but on the other hand the literature also suggests that benefits in terms of actual yields may be more consequential under irrigation than on dry lands. Scattered trees as shelter have not been dealt with. As methods of frost protection are treated: site selection; radiation interception; thermal insulation; air mixing; direct air and plant heating; application of water; chilling to prolong dormancy and soil manipulation. The book is full of very relevant tropical and other Third World examples from the experience of the authors and many other sources.

1155 92 - 6/34

Agrometeorology

Review, bibliography, project, microclimate management, traditional farmer, field reports

WILKEN, G.C.

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