Micronutrient application through seed treatments: a review
2012
Farooq, M(University of Western Australia UWA Institute of Agriculture ,University of Agriculture Department of Agronomy) | Wahid, A(University of Agriculture Department of Botany) | Siddique, Kadambot H. M(University of Western Australia UWA Institute of Agriculture ,King Saud University College of Food and Agricultural Sciences)
Micronutrients are vital for plant growth and human health. Soil and foliar applications are the most prevalent methods of micronutrient addition but the cost involved and difficulty in obtaining high quality micronutrient fertilizers are major concerns with these in developing countries. Micronutrient seed treatments, which include seed priming and seed coating, are an attractive and easy alternative. Here in this review, we discuss the potential of micronutrient seed treatments for improving crop growth and grain nutrient enrichment. Micronutrient application through seed treatments improves the stand establishment, advances phenological events, and increases yield and micronutrient grain contents in most cases. In some instances, seed treatments are not beneficial; however, the negative effects are rare. In most cases, micronutrient application through seed treatment performed better or similar to other application methods. Being an easy and cost effective method of micronutrient application, seed treatments offer an attractive option for resource-poor farmers.
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