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Dry Matter, Lint Mass and Fiber Properties of Cotton in Response to Nitrogen Application and Planting Densities

Dry Matter, Lint Mass and Fiber Properties of Cotton in Response to Nitrogen Application and Planting Densities

Muhammad Naveed Afzal1, Muhammad Tariq1*, Muhammad Ahmad1, Khuram Mubeen2, Muhammad Ayaz Khan3, Muhamamd Umer Afzal4 and Shakeel Ahmad

1Agronomy Section, Central Cotton Research Institute, Multan-59200, Pakistan; 2Departmnet of Agronomy, Muhammad Nawaz Sharif University of Agriculture, Multan, Pakistan; 3Department of Agriculture Extension and Adoptive Research, Punjab, Pakistan; 4CIMMYT-Pakistan Office, NARC, Islamabad, Pakistan; 5Bahauddin Zakariya University, Multan, 60800, Pakistan.

[email protected]  

Figure 1

Daily weather variables of experimental site for the years (2005-06). 

Figure 2

Crop growth rate (CGR) and Relative crop growth rate (CGR) as affected by nitrogen and planting density at various days after sowing. 

Figure 3

Effect of nitrogen reproductive vegetative ratio (RVR) at various days after sowing. 

Figure 4

Periodic dry matter partitioning (%) to vegetative and reproductive plant biomass across nitrogen levels. 

Figure 5

Effect of nitrogen rates on crop growth rate and relative growth rate across planting densities. 

Figure 6

Effect of nitrogen application rate on nutrient use efficiency across various planting densities. 

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Pakistan Journal of Agricultural Research

September

Vol.37, Iss. 3, Pages 190-319

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