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Constant nutrients and moisture for precision nutrient gradients

, : Constant nutrients and moisture for precision nutrient gradients. Acta Horticulturae (29): 141-154

Three dimensional gradients (moisture, air and nutrients) were maintained as established in the soil profile by surface application of nutrients with a mulch covering and a constant source of water. By this procedure variables normally associated with nutrient quantity, source and placement and the interrelated variations associated with moisture fluctuations caused by rain or irrigation were minimized and functioned as gradient limits.

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