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Agronomy journal
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Diagnosis and Recommendation Integrated System
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1. Feasibility of Lowering Soybean Planting Density without Compromising Nitrogen Fixation and Yield
- Author:
- Marcos Javier de Luca; Marco Antonio Nogueira; Mariangela Hungria
- Source:
- Agronomy journal 2014 v.106 no.6 pp. 2118-2124
- ISSN:
- 0002-1962
- Subject:
- Bradyrhizobium japonicum; Diagnosis and Recommendation Integrated System; Glycine max; biomass production; cultivars; developmental stages; field experimentation; grain quality; grain yield; indeterminate growth; input costs; lipid content; nitrogen fixation; nodulation; nutrients; nutritional status; photosynthesis; plant density; plant nutrition; planting density; seed oils; solar radiation; sowing; soybeans; Brazil
- Abstract:
- ... Adjusting soybean [Glycine max (L.) Merrill] density can be critical to reduce inter-plant competition for water, nutrients, and sunlight, and to increase intercepted radiation, photosynthesis, and biomass production. The objective of this study was to evaluate the effects of soybean-population density on soybean nodulation, plant nutrient status, yield, and grain quality. Three field experiments ...
- DOI:
- 10.2134/agronj14.0234
- https://doi.org/10.2134/agronj14.0234
- Author:
- Lotfi Khiari; Léon-Étienne Parent; Nicolas Tremblay
- Source:
- Agronomy journal 2001 v.93 no.4 pp. 815-819
- ISSN:
- 0002-1962
- Subject:
- Diagnosis and Recommendation Integrated System; Solanum tuberosum; calcium; crop yield; cultivars; databases; fertilizer application; leaf analysis; leaves; magnesium; nitrogen; nutrient balance; phosphorus; phosphorus fertilizers; potassium; potatoes; surveys; variance
- Abstract:
- ... Leaf analysis could assist in adjusting the P fertilization of potato (Solanum tuberosum L.) to specific soil–plant systems to achieve high yield conditions. Our objective was to derive and validate Compositional Nutrient Diagnosis (CND) norms and ranges for a potato cultivar (Superior) and to compare CND to Diagnosis and Recommendation Integrated System (DRIS) and the Critical Value Approach (CVA ...
- DOI:
- 10.2134/agronj2001.934815x
- https://doi.org/10.2134/agronj2001.934815x
- Author:
- Jon O. Baldock; Emmett E. Schulte
- Source:
- Agronomy journal 1996 v.88 no.3 pp. 448-456
- ISSN:
- 0002-1962
- Subject:
- Zea mays; data analysis; accuracy; Diagnosis and Recommendation Integrated System
- Abstract:
- ... The Sufficiency Range (SR) system and the Diagnosis and Recommendation Integrated System (DRIS) represent two competing approaches to interpreting plant analyses. Our objectives were (i) to show that the two approaches are complementary and (ii) to introduce a new plant analysis system that combines them, called Plant Analysis with Standardized Scores (PASS). The SR provides discrete, easily compu ...
- DOI:
- 10.2134/agronj1996.00021962008800030015x
- https://doi.org/10.2134/agronj1996.00021962008800030015x
- Author:
- A. M. O. Elwali; G. J. Gascho; M. E. Sumner
- Source:
- Agronomy journal 1985 v.77 no.3 pp. 506-508
- ISSN:
- 0002-1962
- Subject:
- plant nutrition; Zea mays; fertilizers; nutrient requirements; Diagnosis and Recommendation Integrated System; Georgia
- DOI:
- 10.2134/agronj1985.00021962007700030032x
- https://doi.org/10.2134/agronj1985.00021962007700030032x
- Author:
- A. M. O. Elwali; G. J. Gascho
- Source:
- Agronomy journal 1984 v.76 no.3 pp. 466-470
- ISSN:
- 0002-1962
- Subject:
- Diagnosis and Recommendation Integrated System; Saccharum; calcium; copper; farmers; fertilizers; iron; leaf analysis; leaves; magnesium; manganese; muck soils; nitrogen; nutrient balance; nutrient content; phosphorus; planning; potassium; ratooning; soil sampling; sugarcane; sugarcane soils; sugars; zinc; Florida
- Abstract:
- ... Foliar analysis has been practiced widely in sugarcane (a complex trispecies hybrid of Saccharum) for planning and evaluation of fertilizer programs and harvest schedules. On the mainland of the USA, sugarcane farmers have traditionally relied on soil testing to plan fertilizer programs. Soil testing remains an excellent preplant practice but its reliability for the successive ratoon crops has bee ...
- DOI:
- 10.2134/agronj1984.00021962007600030024x
- https://doi.org/10.2134/agronj1984.00021962007600030024x
- Author:
- A. M. O. Elwali; G. J. Gascho
- Source:
- Agronomy journal 1983 v.75 no.1 pp. 79-83
- ISSN:
- 0002-1962
- Subject:
- Diagnosis and Recommendation Integrated System; Histosols; Saccharum; calcium; copper; fertilizers; hybrids; iron; leaves; magnesium; manganese; monitoring; nitrogen; nutrient balance; nutrient content; nutrients; nutritional status; phosphorus; planting; potassium; sugarcane; sugars; zinc; Florida
- Abstract:
- ... Nutritional imbalances in sugarcane (a complex trispecies hybrid of Saccharum) on Florida Histosols (Medisaprists) were suggested in earlier studies. In order to eliminate possible imbalances among nutrients, the Diagnosis and Recommendation Integrated System (DRIS) was adapted to monitor the nutritional status of sugarcane in an experiment with varying P and K levels. Standard DRIS reference norm ...
- DOI:
- 10.2134/agronj1983.00021962007500010020x
- https://doi.org/10.2134/agronj1983.00021962007500010020x
- Author:
- C. A. Jones; J. E. Bowen
- Source:
- Agronomy journal 1981 v.73 no.6 pp. 941-944
- ISSN:
- 0002-1962
- Subject:
- Diagnosis and Recommendation Integrated System; Saccharum; fertilizers; nutrient content; nutrient deficiencies; sugar industry; sugarcane; Hawaii (island)
- Abstract:
- ... The Crop Log system of sugarcane (Saccharum spp. hybrid) tissue analysis is a critical concentration approach which is widely used for the diagnosis of nutrient deficiencies and imbalances in the Hawaii sugar industry. Recent studies conducted elsewhere suggest that the Diagnosis and Recommendation Integrated System (DRIS), which utilizes ratios of tissue nutrient concentrations rather than the co ...
- DOI:
- 10.2134/agronj1981.00021962007300060008x
- https://doi.org/10.2134/agronj1981.00021962007300060008x
- Author:
- M. E. Sumner
- Source:
- Agronomy journal 1977 v.69 no.2 pp. 226-230
- ISSN:
- 0002-1962
- Subject:
- Diagnosis and Recommendation Integrated System; Glycine max; corn; crop production; crops; diagnostic techniques; leaves; nitrogen; nutrient content; phosphorus; potassium; prediction; soybeans; sugarcane
- Abstract:
- ... The previous successful application of Beaufils' Diagnosis and Recommendation Integrated System (DRIS) to crops such as corn and sugarcane as a foliar diagnostic tool capable of revealing mineral imbalances led to the need for the development of DRIS norms for soybeans [Glycine max (L.) Merr.]. Preliminary DRIS norms for soybean leaves are developed from 1,245 sets of data on elemental (NPK) leaf ...
- DOI:
- 10.2134/agronj1977.00021962006900020008x
- https://doi.org/10.2134/agronj1977.00021962006900020008x