Plant Nutrition 2001
DOI: 10.1007/0-306-47624-x_427
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Spatial variability of available phosphorus and site specific P fertilizer recommendations in a wheat field

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Cited by 9 publications
(4 citation statements)
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“…The lowest CV (1.13%) was for soil pH, while the highest CV (45.75%) was for AP, which was in line with Wang et al [71]. Also, Karaman et al [72] reported that AP was usually more variable than most of the other soil properties. According to Jakobsen [73], the CV of the different soil properties ranged from low (<10%) to moderate (10 to 100%).…”
Section: Variability Of Soil Propertiessupporting
confidence: 83%
“…The lowest CV (1.13%) was for soil pH, while the highest CV (45.75%) was for AP, which was in line with Wang et al [71]. Also, Karaman et al [72] reported that AP was usually more variable than most of the other soil properties. According to Jakobsen [73], the CV of the different soil properties ranged from low (<10%) to moderate (10 to 100%).…”
Section: Variability Of Soil Propertiessupporting
confidence: 83%
“…While the variability of TN and OC was moderate, it was high for Av.P. Reports of [3,47] indicated that Av.P is usually more variable than most other macronutrients. e low contents of TN, OC, and Av.P might be attributed to the sparse vegetation of the area accompanied by continuous cultivation, bush burning, high rate of mineralization, and removal of crop residues from the eld [14,48].…”
Section: Discussionmentioning
confidence: 99%
“…The BD, pH, CEC, and clay showed low variability (CV < 12%), EC, SOC, TN, Mres4, Cmic, K av , and elevation were considered moderate variability (12 ≤ CV < 60%), while P av and slope showed high variability (CV ≥ 60%), as shown in Table 1 [41]. Several studies reported that soil phosphorus generally had more variability than many other soil properties [14,51,52], which is in line with our findings, as shown in Table 1. These CVs showed that there are considerable spatial variations in soil and topography attributes, as shown in Table 1.…”
Section: Exploratory Data Analysismentioning
confidence: 99%