Table 4 Effect of N level on maturity In the pdf the Year is in 2 rows instead of 1 as in all other tables. Also first entry is skewed to the left in the pdf
From: Effect of nitrogen application level on cotton fibre quality
Year | Location | Country | N levels in kg·ha−1 | Instrument | Remarks | References | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1956–1957 | Thorsby, Alabama | US | 0, 67, 134 & 270 | Unknown | Significant delay in maturity with increased N application levels | Scarsbrook et al. (1959) | |||||||||
1995–1998 | Hama | Syria | 0, 60, 120, 180 & 240 | Unknown | No significant differences in maturity with increased N application levels | Janat and Somi (2002) | |||||||||
2001–2002 | Unknown | Syria | 50, 100, 150, 200 & 250 | Unknown | No clear trend with increased N application levels | Janat (2008) | |||||||||
2001–2004 | Stoneville, Mississippi | US | 112 in four different application methods | Calculated | No significant differences in maturity and perimeter | Pettigew and Adamczyk (2006) | |||||||||
2005–2006 | Multan, Punjab | Pakistan | 0, 50, 100 & 150 | HVI | No significant differences in maturity index or micronaire with increased N application levels | Afzal et al. (2018) | |||||||||
2007–2008 | Multan, Punjab | Pakistan | 0, 60, 110 & 160 | HVI | No clear trend with increased N application levels | Ali (2011) | |||||||||
2009–2012 | Stoneville, Mississippi | US | 0, 56 & 112 | AFIS | Significant reduction in maturity and fineness with increased N application levels | Pettigew and Zeng (2014) | |||||||||
2012–2013 | Chapadão do Sul, Mato Grosso do Sul | Brazil | 0, 40, 80, 120 & 160 | HVI | Significant decrease in maturity with increased N application levels | Leal et al. (2020) | |||||||||
2011–2012 | Yellow River Delta, Hebei | China | 0, 120, 240 & 480 | Taicang Electron Apparatus | Significant increase in maturity up to 240 kg·ha−1 with a significant decrease above 240 kg·ha−1 | Chen et al. (2019) | |||||||||
2012–2013 | Primavera do Leste, Mato Grosso | Brazil | 70, 140 & 210 | HVI | Significant reduction in maturity with increased N application levels | Echer et al. (2020) | |||||||||