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International Journal of Modern Agriculture ISSN 2305-7246

 

 

 

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Interactive Effect of Sowing Techniques and Weed Crop Competition Periods on the Performance of Spring Planted Sugarcane (Saccharum officinarum L.)

 

Muhammad Nawaz1*, Shahbaz Khan1, Muhammad Umer Chattha1, Mohsin Khan2, Muhammad Bilal3

 

1Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

2Department of Agricultural Sciences, Allama Iqbal Open University, Islamabad, Pakistan.

3Department of Crop Sciences, University of the Punjab, Lahore, Pakistan.

*Corresponding author (e-mail: naazuaf@gmail.com)

 

Abstract

A field experiment was conducted at post graduate agriculture research station (PARS), University of Agriculture, Faisalabad, Pakistan during 2011-2012. The effect of flat and trench sowing techniques in interaction with five weed crop competition periods (0, 30, 45, 60 days after sowing and full season) on the growth and quality of spring planted sugarcane crop was evaluated. Randomized complete block design with factorial arrangement having three replications was selected for the experiment. Statistical analysis of the data showed that sugarcane crop growth parameters were significantly affected by flat and trench sowing methods in interaction with different weed crop competition periods. Maximum number of tillers (25.67 m-2) was recorded in trench sowing in interaction with weed crop competition period for 30 days after sowing. Maximum plant height (3.50 m) was observed in flat and trench sowing methods in association with weed crop competition periods for zero days after sowing. Maximum cane biomass (124 t ha-1) was recorded in trench sowing in association with weed crop competition period of zero days after sowing. Trench sowing in association with weed crop competition period for zero days after sowing is suggested best to get the optimum yield for spring planted sugarcane crop.

 

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GROWTH RESPONSE OF RICE HYBRIDS TO DIFFERENT LEVELS OF NPK

 

Muhammad Asif Kamal1, Fahd Rasool1, Ali Zohaib*1, Khalil Ahmed2, Muhammad Nawaz1

 

1 Department of Agronomy, University of Agriculture, Faisalabad, Pakistan

2 Soil Salinity Research Institute, Pindi Bhattian, Pakistan

*Corresponding author (e-mail: alizohaib208@gmail.com)

 

Abstract

Fertilization affects the plant growth and development and is necessary for obtaining maximum crop productivity. However, attainment of maximum nutrient use efficiency is dependent on application of major crop nutrients at proper dose further which varies with variation in genotype. A field study was carried out at Agronomy Research Farm, Department of Agronomy, University of Agriculture, Faisalabad to assess the influence of various NPK levels (108-80-48, 135-100-60, 162-120-72 and 189-140-84 kg ha-1) on growth of two rice hybrids (PHB-71and Leader-555), during 2012. The results revealed that the growth of both the rice hybrids was affected significantly by the influence of NPK application at different rates. Highest plant height was observed by the application of 189-140-84 kg NPK ha-1 to Leader-555. Maximum increase in leaf area index, dry weight of above ground plant parts and number of tillers was perceived by the application of 162-120-72 kg ha-1 to Leader-555, while, dry weight of below ground plant parts was highest by application of 162-120-72 kg ha-1 to PHB-71. Results conclude that rice hybrids responded to NPK application, nonetheless, growth of Leader-555 was improved more and application of 162-120-72 kg ha-1 proved better.

 

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