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Indian Journal of Agronomy
Year : 2001, Volume : 46, Issue : 3
First page : ( 416) Last page : ( 420)
Print ISSN : 0537-197X. Online ISSN : 0974-4460.

Residual effect of phosphorus fertilization and farmyard manure on productivity of succeeding wheat (Triticum aestivum) after soybean (Glycine max)

Sharma S.C.1, Vyas A.K.2

Central Sheep and Wool Research Institute, Avikanagar, Rajasthan, 304501

1 Present address: Grassland and Forage Agronomy Section, C.S.W.R.I., Avikanagar, Rajasthan 304501

2 National Research Centre on Soybean, Indore, Madhya Pradesh 452001

Received:  August,  2000.


A field experiment was carried out during winter (rabi) seasons of 1997–98 and 1999–99 to investigate the residual effect of levels of P (30, 60 and 90 kg/ha) and sources of P [single superphosphate (SSP), Udaipur rockphosphate (URP), partially acidulate rockphosphate (PARP) and PARP + phosphate-solubilizing bacteria (PSB)] with and without farmyard manure (FYM) @ 10 tonnes/ha on yield attributes and yield of wheat (Triticum aestivum L emend. Fiori & Paol.) after soybean [Glycine max (L.) Merr.]. A significant improvement in effective tillers/m row length, 1,000-grain weight and grain yield of wheat was found owing to residual effect of increased levels of P fertilization at 90 kg P2O5/ha. Residual effect of PARP and PARP+PSB recorded significantly higher grain yield than SSP and URP. Application of FYM (10 tonnes/ha) also had significant residual effect in improving yield attributes and yield of succeeding wheat after soybean.



Residual P, FYM, Wheat, Soybean.


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