INFLUENCE ОF SОIL FERTILIZATIОN SYSTEMS ОN SОIL CHARACTERISTICS FOR A MОNОCULTURE ОF SUNFLОWER
The purpose of this research has been to determine the influence of soil fertilizations systems (fertilization with: nitrogen, phosphorus, nitrogen and phosphorus, farmyard manure) on some soil characteristics humidity, pH and content in: lead, cadmium, calcium, iron). The experiments have been carr...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Alma Mater Publishing House "Vasile Alecsandri" University of Bacau
2019-12-01
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| Series: | Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry |
| Subjects: | |
| Online Access: | http://pubs.ub.ro/?pg=revues&rev=cscc6&num=201904&vol=4&aid=4958 |
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| Summary: | The purpose of this research has been to determine the influence of soil fertilizations systems (fertilization with: nitrogen, phosphorus, nitrogen and phosphorus, farmyard manure) on some soil characteristics humidity, pH and content in: lead, cadmium, calcium, iron). The experiments have been carried out in the experimental field of National Agricultural Research and Development Institute – Fundulea, Romania, for a sunflower monoculture. The lowest values of the metal content in sоil (lead) have been recorded for sunflower experimental variants – fertilized with farmyard manure (2.18 mg∙kg-1 d.m.). Calcium has the highest content in sоil (4712 mg∙kg-1 d.m., 15-30 cm working depth) in case of the sоil control sample. |
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| ISSN: | 1582-540X 1582-540X |