Academic literature on the topic 'Soil fertility – Arizona'

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Journal articles on the topic "Soil fertility – Arizona"

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Mpanga, Isaac Kwadwo, Eric Adjei, Harrison Kwame Dapaah, and Kwadwo Gyasi Santo. "Poultry Manure Induced Garden Eggs Yield and Soil Fertility in Tropical and Semi-Arid Sandy-Loam Soils." Nitrogen 2, no. 3 (2021): 321–31. http://dx.doi.org/10.3390/nitrogen2030022.

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Synthetic nitrogen fertilizer use comes with unsustainable financial and environmental costs, making it not attractive to small-scale and organic farmers. Poultry manure (PM) when available is a primary fertilizer source for small-scale and organic farmers but there is still limited research on its effects of specific crops and soil fertility under specific practices. The study investigated PM effects on garden egg in three seasons in Ghana and PM effects soil fertility in sandy-loam soils of Arizona after three years under flood irrigation and no-till. The PM application improved garden egg g
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Misra, Satya D., and William Agnew. "STABILIZATION AND FERTILITY ENHANCEMENT OFA lllGHLY ERODIBLE SANDY SOIL IN NORTIIEAST ARIZONA." Journal American Society of Mining and Reclamation 1998, no. 1 (1998): 589–92. http://dx.doi.org/10.21000/jasmr98010589.

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Nakase, Dana K., Anthony S. Hartshorn, Katherine A. Spielmann, and Sharon J. Hall. "Eolian Deposition and Soil Fertility in a Prehistoric Agricultural Complex in Central Arizona, USA." Geoarchaeology 29, no. 2 (2014): 79–97. http://dx.doi.org/10.1002/gea.21463.

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Lombardo, Sara, Aurelio Scavo, Cristina Abbate, Gaetano Pandino, Bruno Parisi, and Giovanni Mauromicale. "Mycorrhizal Inoculation Improves Mineral Content of Organic Potatoes Grown under Calcareous Soil." Agriculture 11, no. 4 (2021): 333. http://dx.doi.org/10.3390/agriculture11040333.

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Soil mycorrhization can play an important role for the qualitative improvement of organically grown “early” potato tubers especially in low fertility soils (such as calcareous ones), by ameliorating plant uptake of limiting mineral nutrients in the soil. Hence, the objective of the present research was to elucidate the impact of soil mycorrhization on the tuber minerals content of three potato cultivars organically grown in two locations with different soil characteristics. Our data revealed the keyrole of soil mycorrhization on the tuber accumulation of Na, Cu, Mn, and P and on reducing the N
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Gurevitch, Jessica. "Restriction of a C3 grass to dry ridges in a semiarid grassland." Canadian Journal of Botany 64, no. 5 (1986): 1006–11. http://dx.doi.org/10.1139/b86-136.

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Contrary to generalizations about differences in the adaptive significance of C3 and C4 photosynthesis, Stipa neomexicana, a C3 grass, was restricted to the driest sites along a topographic and soil moisture gradient in a semiarid grassland in Arizona. The distribution of Stipa neomexicana was inversely related to the abundance of C4 grasses. The total biomass of C4 grasses increased from low values on ridge crests to maximum values on lower, wetter sites. Ordination analysis confirmed that the topographic and soil moisture gradient was the factor most closely associated both with grass specie
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Sullivan, Alan P., and Philip B. Mink. "THEORETICAL AND SOCIOECOLOGICAL CONSEQUENCES OF FIRE FOODWAYS." American Antiquity 83, no. 4 (2018): 619–38. http://dx.doi.org/10.1017/aaq.2018.32.

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Archaeological investigations of the effects of anthropogenic fire on the subsistence economies of small-scale societies, particularly those of the prehispanic northern American Southwest, are embryonic in scope and disciplinary impact. When burning has been mentioned in such studies it typically has been with reference to its alleged effectiveness in clearing land or deforesting areas for maize agriculture. In this article, in contrast, we present the results of our initial efforts to estimate the yield and socioecological consequences of cultivating a common fire-responsive ruderal—amaranth—
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Dissertations / Theses on the topic "Soil fertility – Arizona"

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Silvertooth, Jeffrey C. "Soil Fertility and Soil Testing Guideline for Arizona Cotton." College of Agriculture, University of Arizona (Tucson, AZ), 2015. http://hdl.handle.net/10150/558541.

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Reviewed 06/2015; Originally published: 02/2001<br>2 pp.<br>According to all available evidence, there are 20 total nutrients necessary for complete plant growth and development. Not all are required for all plants, but all have been found to be essential to some.
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Unrah, B. L., J. C. Silvertooth, D. M. Hendricks, and J. E. Malcuit. "Potassium Fertility of Several Arizona Soils." College of Agriculture, University of Arizona (Tucson, AZ), 1993. http://hdl.handle.net/10150/209581.

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Potassium (K) fertility requirements for cotton ( Gossypium spp) have been a matter of concern due to increasing interest and emphasis on fiber quality and numerous reports of K deficiencies in various cotton producing regions. To address this matter appropriately, a thorough understanding of the chemical, physical, and mineralogical composition of the soils in question is in order. Soil samples were collected from ten sites across southern Arizona that are representative of the common agricultural soils of the region. At all locations soils were sampled to a depth of 120 cm in 30 cm increment
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Norton, E. R., J. C. Silvertooth, and L. J. Clark. "Phosphorus Fertility Evaluation in Graham County." College of Agriculture, University of Arizona (Tucson, AZ), 2002. http://hdl.handle.net/10150/197714.

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A series of three phosphorus (P) fertility experiments were conducted in 2001 in Graham County. These studies follow similar experiments conducted over the past three seasons. Results from 2001 were consistent with previous results indicating a positive relationship between yield and P fertilizer applications in relation to soil test indices. Modest yield increases were observed from a minimum of 25 to 80 lbs. lint per acre with an application of approximately 70 lbs. of P as P₂O₅ per acre. Yield differences from previous years have been as great as 170 lbs. of lint per acre. With the increase
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Norton, E. R., and L. J. Clark. "Phosphorus Fertility Evaluation in Graham County." College of Agriculture, University of Arizona (Tucson, AZ), 2003. http://hdl.handle.net/10150/197930.

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A field study was implemented in 2002 in the Upper Gila River Valley of Safford to investigate the effects of varying phosphorus (P) fertilization rates on yield and quality of Upland cotton. This study is a continuation of work performed in this valley that began in 1998. This study was organized in a randomized complete block design with four treatments including four rates of 10-34-0 fertilizer, 0, 15, 30, and 45 gallons per acre (gpa) replicated 4 times. Lint yield results indicate a positive response to the application of 10-34-0 fertilizer with yield increasing linearly up to 30 gpa. The
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Norton, E. R., and L. J. Clark. "Phosphorous Fertility Evaluation in Graham County." College of Agriculture, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/198134.

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This project is a continuation of an ongoing phosphorus (P) fertility evaluation that began in 1998, at Safford, AZ on a grower cooperator field. The field study conducted during the 2003 season consisted of five treatments of varying rates of P fertilizers from 0 through 165 lbs. of P₂O₅ per acre. Treatments were arranged in a randomized complete block design with three replications. Plot sizes were 12, 36 in. rows wide and extended the full length of the irrigation run of 1250 feet. Three of the five treatments (treatments 3, 4, and 5) consisted of varying rates of P fertilizer applied as a
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Clark, Lee J., and E. W. Carpenter. "Cotton Fertility Study, Safford Agricultural Center, 1998." College of Agriculture, University of Arizona (Tucson, AZ), 1999. http://hdl.handle.net/10150/197259.

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Three different nitrogen fertilizer regimes were practiced in this study along with an unfertilized check. The same amount of nitrogen fertilizer was sidedressed in the plots in one, two or three applications. No significant differences were seen, but the trends looked like the split applications might have had some advantage.
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Clark, L. J., and E. W. Carpenter. "Cotton Fertility Study, Safford Agricultural Center, 1999." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/197491.

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Three different nitrogen fertilizer regimes were practiced in this study along with an unfertilized check. The same amount of nitrogen fertilizer was sidedressed in the plots in one, two or three applications. No statistically significant differences were seen between lint yields in this study nor in the previous study, but the yield trends were very similar. Applying the fertilizer nitrogen in two equal portions at the onset of rapid vegetative growth and just before peak bloom appeared to produce the best lint yield.
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Silvertooth, J. C., E. R. Norton, and A. Galadima. "Evaluation of Potassium and Phosphorus Fertility in Arizona Soils." College of Agriculture, University of Arizona (Tucson, AZ), 2001. http://hdl.handle.net/10150/211298.

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Two field experiments were conducted during the 2000 growing season to address fertility recommendations for fertilizer phosphorus (P) and potassium (K). A K fertility study was conducted near Tonopah, AZ consisting of two treatments, an untreated control and a treatment receiving a total of 20 gallons of K-Sul/acre. No significant differences were observed in leaf blade K concentrations between treatments. Plant growth and development estimates revealed that fruit retention (FR) levels remained consistently higher in the untreated control versus the treated plots. A second study involved trea
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Silvertooth, J. C., A. Galadima, and E. R. Norton. "Residual Soil Nitrogen Evaluations in Irrigated Desert Soils, 2003." College of Agriculture, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/198133.

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Field experiments aimed at investigating N fertilizer management in irrigated cotton production have been conducted for the past 16 seasons at three University of Arizona Agricultural Centers (Maricopa, MAC; Marana, MAR; and Safford, SAC). In 2003, residual N studies were conducted at two of these locations (MAC and MAR). The MAC and SAC experiments have been conducted each season since 1989 and the Marana site was initiated in 1994. Original purposes of the experiments were to test nitrogen (N) fertilization strategies and to validate and refine N fertilization recommendations for Upland (Gos
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Silvertooth, J. C., A. Galadima, and E. R. Norton. "Residual Soil Nitrogen Evaluations in Irrigated Desert Soils, 2004." College of Agriculture, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/198175.

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Field experiments aimed at investigating N fertilizer management in irrigated cotton production have been conducted for the past 16 seasons at three Arizona locations on University of Arizona Agricultural Centers (Maricopa, MAC; Marana, MAR; and Safford, SAC). In 2004, residual N studies were conducted at two of these locations (MAC and MAR). The MAC and SAC experiments have been conducted each season since 1989 and the Marana site was initiated in 1994. The original purposes of the experiments were to test nitrogen (N) fertilization strategies and to validate and refine N fertilization recomm
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Book chapters on the topic "Soil fertility – Arizona"

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K.A. AL-Taey, Duraid, and Rusul F. AL-Shmary. "The Impact of Bio-Organic and N, P, K Fertilizers on the Growth and Yield of Potato." In Solanum tuberosum - a Promising Crop for Starvation Problem [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98484.

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Bio-organic agriculture considers the medium- and long-term impact of agricultural interferences on the agro-ecosystem. It aims to produce food while setting an ecological balance to soil fertility. Bio-organic agriculture takes a proactive design as opposed to treating problems after they emerge, so the study was conducted for studying two factors: First: the cultivars (Riviera and Arizona) class A resulting from cultivation of class E imported and cultivated in spring season 2018. The second factor: fertilizer combinations (bio-organic fertilizers compared with traditional chemical fertilizers). Arizona cultivar significantly achieved the highest values, in most of the study parameters compared to Rivera cultivar. Significant differences were observed between the treatments of fertilizer combinations, the treatment (organic fertilizer + bio-fertilizer + 25% chemical fertilizer) significantly achieved the best values compared to the control. Bi-interaction treatment (Arizona cultivar + organic fertilizer + bio-fertilizer + chemical fertilizer 25%) achieved the highest yield per hectare (43.24 tons.ha−1).
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