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19 دسمبر 1999 In a study done by the University of Georgia, scientists showed that plants send out very specific signals for parasitic wasps to come to their aid when under attack by herbivores.
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19 اکتوبر 1996 Grasshoppers and locusts cause extensive damage to a wide variety of crops and can be persistent in gardens year after year. Several ideas for their control are presented.
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20 اپریل 2002 Plant-parasitic nematodes are a problem for farmers throughout the tropics and subtropics. Most species of nematodes are not actually plant or animal parasites, but the ones that are parasitic make up a small but important minority.
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20 جولائی 2003 An article in the March 1998 issue of The IPM Practitioner featured the use of borates to protect wood against termites, wood-boring beetles, carpenter ants and decay fungi.
- Also available in:
- English (en)
- Español (es)
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20 جنوری 2007 Used motor oil is used to "paint" poles for a fence or poles for houses (mud hut construction) or to "paint" the roofing timbers.
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20 جنوری 2005 Report on experience using Tithonia diversifolia as a termite repellent for protecting fruit trees in Central African Republic.
- Also available in:
- Español (es)
- English (en)
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20 جولائی 2003 In addition to controlling termites, boric acid can be used to control cockroaches and ants.
- Also available in:
- English (en)
- Español (es)
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01 جنوری 1995 The objectives of the booklet were to review current knowledge on how mixed plant and tree communities affect insect pests and the pest-parasite complex, to identify insect pests occuring in the on-going experiments in ICRAF's Agroforestry Research Networks for Africa and to suggest future lines...
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01 جنوری 1993 The purpose of this handbook is to provide a dianostic guide and general reference for diseases affecting perenial fruit and nut crops. although emphasis is given to crops grown in the tropics and subtropics, most of the important fruit crops grown in Australia are included. The book has been...
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01 جنوری 2005 this guide was developed to provide a useful and scientically accurate reference for organic farmers and agricultural professionals searching for information on best practices, available materials and perhaps most importantl, the efficacy of materials that are permitted for use in organic...