Inorganic Soil Amendments Limit Nitrogen Leaching in Newly Constructed Sand - based Putting Green Rooting Mixtures
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Top-dressing a High-sand Content Putting Green with Inorganic Soil Amendments
A field study was designed to study several inorganic soil amendments as a substitute for sand in the top-dressing of an aerified, sandbased putting green. Several forms of natural zeolites, calcined clays, and diatomaceous earth were blended with sand and used to backfill aerification holes on a sand-based putting green. Several of these amendments enhanced turfgrass recovery and quality in th...
متن کاملNitrogen Uptake and Leaching on Greens
Superintendents know that management of putting greens is an art. Greens are often made of high-porosity sand that does not retain water or nutrients very effectively. Also, putting green grasses are cut extremely short, which does not allow a deep root system to develop and take up nutrients from deep in the soil profile. Therefore, putting greens require frequent irrigation and fertilizer app...
متن کاملSoil Amendments and Fertilizer Source Effects on Creeping Bentgrass Establishment, Soil Microbial Activity, Thatch, and Disease
Natural organic fertilizers require microbial degradation for nitrogen (N) release, but their ability to promote rapid turfgrass establishment has not been well documented in newly constructed sand-based rootzones. This 2-year field study evaluated the influence of two general fertilizer and soil amendment programs for their effect on establishment and quality of three creeping bentgrass (Agros...
متن کاملتأثیر کاربرد مواد آلی و نیتروژن معدنی بر تجزیه شیمیایی و زیستی علفکش آترازین در خاک
This study was conducted to compare the impact of various organic amendments with different C/N ratios and chemical compositions on biological and chemical degradation of Atrazine in sterile and non-sterile soils. The experiment was carried out in a factorial arrangement (2×6×2) including two soil types (sterile and non sterile soils), six types of organic amendments (vermicompost, cow manure, ...
متن کاملWater controls on nitrogen transformations and stocks in an arid ecosystem
Following water, nitrogen (N) is the most frequent limiting factor to aboveground net primary production in arid ecosystems. Increased water availability can stimulate both plant nitrogen uptake and microbial nitrogen mineralization, but may also stimulate losses from the ecosystem. Here, we assess the effect of water availability on nitrogen stocks and transformations in an arid ecosystem. We ...
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تاریخ انتشار 2004