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Relationship between fertility extremes and growing medium pHThe pH of a growing medium increases or decreases depending on the fertilizer used, the crop grown, and the water alkalinity. However, pH change is usually gradual. When fertility levels in the growing medium are either very low or excessive, the pH of the growing medium can change rapidly. When the.....
Microbial traits, not plants, determine abundance of soil organic matterHealthy soil is rich in organic matter, but scientists have yet to fully understand exactly how that organic matter is formed. Now a team of University of New Hampshire scientists have uncovered evidence that microbial pathways – not plants – are the chief originator of the organic matter found in stable.....
Effect of plant species, fertilizer on soilless root substrate pHThe objective of this study was to determine how plant species, fertilizer potential acidity/basicity rating (PABR), and fertilizer concentration affect root substrate pH. Three experiments were conducted.In the first experiment, 13 herbaceous species were grown in a root substrate of three sphagnum.....
Prayon launches Calcium Nitrate ExtraThe Prayon Group has added a new product to its Hortipray range of fertilisers: Calcium Nitrate Extra (17 - 0 - 0 + 33% CaO).Less water is more calciumPrayon’s Calcium Nitrate Extra is highly concentrated and perfectly soluble in water. Compared to standard calcium nitrate fertilisers, the calcium.....
Denny Benerget, Benerget Greenhouses: