"4529","9","archive","30",,,"disk0/00/00/45/29","2011-11-30 06:30:20","2011-11-30 06:30:20","2011-11-30 06:30:20","article",,,"show","Library-ICRISAT@CGIAR.ORG",,,"","","","","","","","","","","0",,,"Sahrawat","K L","","","","","","","Sahrawat","K L","","","","",,,,,"","",,,,,"","","ICRISAT(Patancheru)","India","Criteria for Assessment of the Residual Value of Fertilizer Phosphorus","pub","s1.4","","","restricted",,,"Dry mailer yield, P response, P uptake, rainfed cropping, Sorghum bicolor, Vertisol.

",,,"Sorghum yield and P uptake response data from a field experiment conducted at the ICRISAT farm, Patancheru (near Hyderabad) consecutively for four years (1987–1990) were used for determining the residual value of fertilizer P under rainfed cropping on a Vertisol acutely deficient in P. There were seasonal differences in the residual values of P. But more importantly, the residual P value varied depending on the criteria employed for crop response. On an average, the residual value of fertilizer P in the succeeding season was 52 per cent as effective as the fresh P when dry matter yield response was used as the criterion. The residual value of applied P was found to be 47 per cent as effective using grain yield response as the criterion, and the residual P was only 35 per cent as effective as the fresh P when total P uptake response was used as the criterion. It is suggested that the dry matter yield response of sorghum is a simple and practical criterion for determining the residual value of fertilizer P under rainfed cropping","2000","published",,"Journal of the Indian Sociely of Soii Science","48","1","Indian Sociely of Soii Science",,"113-118",,,,,,,,,,,"TRUE",,"0974-0228",,,,,,"","http://www.indianjournals.com/ijor.aspx?target=ijor:jisss&volume=48&issue=1&article=022","http://scholar.google.co.in/scholar?hl=en&q=allintitle%3A+%22Criteria+for+Assessment+of+the+Residual+Value+of+Fertilizer+Phosphorus%22&btnG=Search&as_sdt=0%2C5&as_ylo=&as_vis=0","author",,"","",,,,,,"",,,,,,,"",,,,,"",,,,,"","",,,,,"","",,,,,
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