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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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Related references

Geraldson C.M., 1971: Constant nutrient and moisture sources for precision crop nutrition. Hortscience 6(3 SEC 2): 296

Geraldson, C.M., 1970: Precision nutrient gradients. A component for optimal production. A method for establishing a nutrient gradient in the soil with limits ranging from excess to deficiency is described. The gradient increments are established by providing a constant water table and a concentrated nutrient supply, maintained in pla...

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