The effect of species, planting date, and management of cover crops on weed community in hybrid sunflower (Helianthus annuus)
Introduction: Studies showed that if mixed populations of annual weeds grow with the sunflower, for every 10% increase in weed biomass, seed yield would decrease by 13% (Van Gessel & Renner, 2000). In addition to control weeds using herbicides multi-stage spraying is required. In organic farming...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | fas |
| Published: |
Ferdowsi University of Mashhad
2016-02-01
|
| Series: | Majallah-i ḥifāẓat-i giyāhān |
| Subjects: | |
| Online Access: | https://jpp.um.ac.ir/index.php/jpp/article/view/28939 |