Nitrogen Requirements of Promising Cotton Cultivars in Arid Climate of Multan
Aftab Wajid1, Ashfaq Ahmad1, Muhammad Awais2, Muhammad Habib-ur-Rahman3*, M. Aown Sammar Raza2, Usman Bashir2, Muhammad Naveed Arshad1, Sana Ullah4, Muhammad Irfan5 and Umair Gull1
1Agro-Climatology Labortary Department of Agronomy, University of Agriculture, Faisalabad, 38040, Pakistan; 2Department of Agronomy, University Collage Environmental Sciences, The Islamia University of Bahawalpur, Pakistan; 3Muhammad Nawaz Shareef University of Agriculture, Multan-Pujnab-Pakistan; 4Institute of Soil and Environmental Sciences University of Agriculture, Faisalabad, 38040, Pakistan; 5Department of Crop Physiology, University of Agriculture, Faisalabad, 38040, Pakistan.
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Figure 1
Effect of vartiety (a) and nitrogen (b) raets pm LAI.
Figure 2
Effect of variety (a) and nitrogen (b) rates on TDM assimilation.
Figure 3
Relationship between LAD and TDM and seed cotton yield.
Figure 4
Relationship of leaf area duration (LAD) and sympodial branches per plant with seed cotton yield (kg ha-1).
Figure 5
Relationship between accumulated PAR and total dry matter (TDM).
Figure 6
Relationship of number of bolls per plant and average boll weight (g) with seed cotton yield (kg ha-1).
Figure 7
Empirical model for seed cotton yield forecasting on the basis of nitrogen application in arid climatic conditions of Punjab.