1972
DOI: 10.1002/jpln.19721330103
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Untersuchungen zur Pflanzenverfügbarkeit des durch langjährige Phosphatdüngung angereicherten Bodenphosphats. 3. Mitteilung: Die Verfügbarkeit der Umwandlungsprodukte in neutralen und kalkhaltigen Böden

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Cited by 6 publications
(4 citation statements)
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“…The common fallacy made on the basis of these experiments was to interpret the physiological disability of the plants to take up nutrients as a nutrient fixation in the soil. Consistent with the old view on an always incomplete utilization of fertilizer P Werner and Wiechmann (1972) reported an average, effective utilization efficiency of 48 % for residual fertilizer P in soils. They evaluated this low efficiency as an indication of P fixation in soils (Platzen and Munk 1975;Wiechmann and Werner 1976).…”
Section: Empirical Methods To Determine the Fertilizer Nutrient Utilisupporting
confidence: 76%
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“…The common fallacy made on the basis of these experiments was to interpret the physiological disability of the plants to take up nutrients as a nutrient fixation in the soil. Consistent with the old view on an always incomplete utilization of fertilizer P Werner and Wiechmann (1972) reported an average, effective utilization efficiency of 48 % for residual fertilizer P in soils. They evaluated this low efficiency as an indication of P fixation in soils (Platzen and Munk 1975;Wiechmann and Werner 1976).…”
Section: Empirical Methods To Determine the Fertilizer Nutrient Utilisupporting
confidence: 76%
“…In such experiments crops are grown consecutively on a soil subjected afore to long-term fertilization, however, without additional supplements of fresh fertilizers (Werner 1971b;Werner and Wiechmann 1972). The reason for the ineptness of the method is that the viability and thus the ability of plants to take up nutrients is negatively affected when the crop nutritional P level declines to the deficiency range.…”
Section: Empirical Methods To Determine the Fertilizer Nutrient Utilimentioning
confidence: 98%
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