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Sarwar M

Ehsan Akhtar M

Hyder SI

 

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Prime Journal of Physical Science

(ISSN: 2315-5043)

Volume 1, Issue 5, pp. 53-37

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Full Length Research

 

Title
 

Effect of humic acid and phosphorus on yield, nutrient availability in soil and uptake by peas

 

Author(s)

 

Sarwar M, Ehsan Akhtar M and Hyder SI

 

Address(es)

 

Land Resources Research Institute, National Agricultural research Centre, Islamabad-45500, Pakistan.

 

Date Accepted

 

11th December, 2012

 

Citation

 

Sarwar M, Ehsan Akhtar M and Hyder SI (2012). Effect of humic acid and phosphorus on yield, nutrient availability in soil and uptake by peas. Prim. J. Phys. Sci. 1(5): 53-57.

 

Abstract

 

A field experiment was conducted at experimental area of vegetable programme, NARC, Islamabad, to investigate the interactive effect of Phosphorus (P) and humic acid (HA) on macro and micro nutrients use efficiency in soil and their uptake by peas during Rabi 2011. The data translate that soil application of humic acid at 100 kg ha-1 along with 40 Kg P2O5 ha-1 significantly enhanced green peas’ yield 35% higher than 100% dose of Phosphorus fertilizer alone. The data revealed that addition of humic acid at 100 kg ha” along with 50% recommended dose of fertilizer that is, 40 Kg P2O5 ha-1 significantly improved the availability of Phosphorus, Potassium and micronutrients viz., iron and zinc and enhanced their uptake. Soil application of humic acid at 100 kg ha-1 along with 50% recommended dose of fertilizers improved the availability and uptake of nutrients than 100% recommended dose of fertilizers alone.

Keywords :
humic acid, phosphorus, green peas, iron and zinc.

 



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