"КОНВЕНЦИЯ ПО ЗАЩИТЕ ПРИРОДНОЙ МОРСКОЙ СРЕДЫ РАЙОНА БАЛТИЙСКОГО МОРЯ, 1992 Г." (ХЕЛЬСИНКСКАЯ КОНВЕНЦИЯ) [рус. (извлечение), англ.] (Вместе с "ВРЕДНЫМИ ВЕЩЕСТВАМИ", "КРИТЕРИЯМИ ИСПОЛЬЗОВАНИЯ НАИЛУЧШЕЙ ПРИРОДООХРАННОЙ ПРАКТИКИ И НАИЛУЧШЕЙ ИМЕЮЩЕЙСЯ ТЕХНОЛОГИИ", "КРИТЕРИЕМ И МЕРАМИ, КАСАЮЩИМИСЯ ПРЕДОТВРАЩЕНИЯ ЗАГРЯЗНЕНИЯ ОТ НАЗЕМНЫХ ИСТОЧНИКОВ", "ПРЕДОТВРАЩЕНИЕМ ЗАГРЯЗНЕНИЙ С СУДОВ", "ИСКЛЮЧЕНИЯМИ ИЗ ОБЩЕГО ЗАПРЕТА ЗАХОРОНЕНИЯ ОТХОДОВ И ДРУГИХ МАТЕРИАЛОВ В РАЙОНЕ БАЛТИЙСКОГО МОРЯ", "ПРЕДОТВРАЩЕНИЕМ ЗАГРЯЗНЕНИЯ В РЕЗУЛЬТАТЕ ДЕЯТЕЛЬНОСТИ НА ШЕЛЬФЕ", "РЕАГИРОВАНИЕМ НА ИНЦИДЕНТЫ ЗАГРЯЗНЕНИЯ") (Заключена в г. Хельсинки 09.04.1992)

the amount of phosphorus and nitrogen in manure and the crops requirements of plant nutrients.
2. Manure storage
Manure storage must be of such a quality that prevents losses. The storage capacity shall be sufficiently large, to ensure that manure only will be spread when the plants can utilize nutrients. The minimum level to be required should be 6 months storage capacity. Urine and slurry stores should be covered or handled by a method that efficiently reduces ammonia emissions.
3. Agricultural waste water and silage effluents
Waste water from animal housings should either be stored in urine or slurry stores or else be treated in some suitable manner to prevent pollution. Effluents from the preparation and storage of silage should be collected and directed to storages for urine or liquid manure.
4. Application of organic manures
Organic manures (slurry, solid manure, urine, sewage sludge, composts, etc) shall be spread in a way that minimizes the risk for loss of plant nutrients and should not be spread on soils that are frozen, water saturated or are covered with snow. Organic manures should be incorporated as soon as possible after application on bare soils. Periods shall be defined when no application is accepted.
5. Application rates for nutrients
Application rates for nutrients should not exceed the crops nutrient requirements. National guidelines should be developed with fertilizing recommendations and they should take reference to:
a) soil conditions, soil nutrient content, soil type and slope;
b) climatic conditions and irrigation;
c) land use and agricultural practices, including crop rotation systems;
d) all external potential nutrient sources.
6. Winter crop cover
In relevant regions the cultivated area should be sufficiently covered by crops in winter and autumn to effectively reduce the loss of plant nutrients
7. Water protection measures and nutrient reduction areas
a) Surface water
Buffer zones, riparian zones or sedimentation ponds should be established, if necessary.
b) Ground water
Ground water protection zones should be established if necessary. Appropriate measures such as reduced fertilization rates, zones where manure spreading is prohibited and permanent grass land areas should be established.
c) Nutrient reduction areas
Wetland areas should be retained and where possible restored, to be able to reduce plant nutrient losses and to retain biological diversity.

Regulation 3

Plant protection products

Plant protection products shall only be handled and used according to a national risk reduction strategy which shall be based on Best Environmental Practice (BEP). The strategy should be based on an inventory of the existing problems and define suitable goals. It shall include measures such as:
1. Registration and approval
Plant protection products shall not be sold, imported or applied until registration and approval for such purposes has been granted by the national authorities.
2. Storage and handling
Storage and handling of plant protection products shall be carried out so that the risks of spillage or leakage are prevented. Some crucial areas are transportation and filling and cleaning of equipment. Other dispersal of plant protection products outside the treated agricultural land area shall be prevented. Waste of plant protection products shall be disposed of according to national legislation.
3. Licence
A licence shall be required for commercial use of plant protection products. To obtain a licence suitable education and training on how to handle plant protection products with a minimum of impact on health and the environment shall be required. The users' knowledge regarding



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