Florida citrus growers have always understood the importance of soil health and the positive influence of microbial activity and diversity in production. As citrus greening (also known as HLB) has spread, reducing production by more than 70%, interest in how these tiny organisms can improve root health is increasing. Research showing the disease, which is spread by the Asian citrus psyllid, can reduce citrus fibrous-root density by 30% to 50% before symptoms become visible above ground only intensifies the interest to learn more.
Soil microbiology thrives best in soils that are higher in organic matter. The sandy soils of the Sunshine State have minimal water- and nutrient-holding capacity. Root systems reduced by citrus greening combined with sandy soils are a poor combination for tree health and ultimately citrus yield and quality.
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Source:
Frank Giles
www.growingproduce.com