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You searched for: Author "Hauck, R. D." Remove constraint Author: "Hauck, R. D." Subject fertilizer rates Remove constraint Subject: fertilizer rates
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1. Effects of Water and Nitrogen Management on Yield and 15N-Depleted Fertilizer Use Efficiency of Irrigated Corn

Author:
Hauck, R. D.,   et al.   ; Russelle, M. P.; Deibert, E. J.; Stevanovic, M.; Olson, R. A.;     Show all 5 Authors
Source:
Soil Science Society of America journal 1981 v.45 no.3 pp. 553-558
ISSN:
0361-5995
Subject:
Zea mays; ammonium sulfate; corn; developmental stages; dry matter accumulation; fertilizer rates; fine-textured soils; grain yield; irrigation scheduling; nitrogen; nitrogen fertilizers; planting; soil texture; Nebraska
Abstract:
... The objective of this experiment was to evaluate the effects of irrigation sequence and of time and rate of nitrogen application on the dry matter production and fertilizer use efficiency of irrigated corn (Zea mays L.), grown on a representative fine-textured soil of eastern Nebraska, and to monitor the movement of fertilizer N in this soil. During 1974–1976, ¹⁵N-depleted ammonium sulfate was ban ...
DOI:
10.2136/sssaj1981.03615995004500030024x

2. Uptake, Translocation and Utilization of 15N-Depleted Fertilizer in Irrigated Corn

Author:
Hauck, R. D.,   et al.   ; Bigeriego, Manuel; Olson, Robert A.;     Show all 3 Authors
Source:
Soil Science Society of America journal 1979 v.43 no.3 pp. 528-533
ISSN:
0361-5995
Subject:
Zea mays; corn; developmental stages; fertilizer rates; field experimentation; filling period; irrigation; isotopes; leaves; nitrate nitrogen; nitrogen; nitrogen fertilizers; nutrient requirements; planting date; soil; stover; summer; total nitrogen; Nebraska
Abstract:
... The objective of this study was to derive a better understanding of the manner in which N serves the nutritional needs of corn (Zea mays L.) and thereby afford a basis for improved fertilization practices. Measurements of uptake, translocation and utilization of tagged nitrogen (N) fertilizer in irrigated corn as influenced by time and rate of N application were made in a field experiment at the U ...
DOI:
10.2136/sssaj1979.03615995004300030020x

3. Recovery of 15N-Labeled Fertilizers in Field Experiments

Author:
Hauck, R. D.,   et al.   ; Westerman, R. L.; Kurtz, L. T.;     Show all 3 Authors
Source:
Soil Science Society of America journal 1972 v.36 no.1 pp. 82-86
ISSN:
0361-5995
Subject:
Sorghum bicolor subsp. drummondii; crops; fertilizer rates; field experimentation; growing season; hybrids; nitrogen; nitrogen fertilizers; oxamide; planting; soil; stable isotopes; summer; urea; urea nitrogen; weather
Abstract:
... Urea and oxamide, each labeled with ¹⁵N, were compared as fertilizers in two field experiments in adjacent locations in successive years with ‘Sudax SX11’ Sorghum-sudan hybrid (Sorghum sudanense) as the test crop. Four cuttings were harvested during the first experiment and three during the second. Patterns of uptake of fertilizer N were in accord with the characteristics of the two carriers. In t ...
DOI:
10.2136/sssaj1972.03615995003600010019x