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Sommers, D.W. and Nelson, L.E. (1996) Total Carbon, Organic Carbon, and Organic Matter. In: Sparks, D.L., Page, A.L., Helmke, P.A., Loeppert, R.H., Soltanpour, P.N., Tabatabai, M.A., Johnston, C.T. and Sumner, M.E., Eds., Methods of Soil Analysis. Part 3-Chemical Methods, Soil Science Society of America Inc., Madison, 961-1010.

has been cited by the following article:

• TITLE: Effect of Composted Rock Phosphate with Organic Materials on Yield and Phosphorus Uptake of Berseem and Maize

  AUTHORS: Amjad Ali, Muhammad Sharif, Fazli Wahid, Zengqiang Zhang, Syed Noor Muhammad Shah, Rafiullah  , Sajjad Zaheer, Farmanullah Khan, Fazlur Rehman

  KEYWORDS: Berseem; Compost; Maize; Residual Effect; Rock Phosphate; Yield

  JOURNAL NAME: American Journal of Plant Sciences, Vol.5 No.7, March 26, 2014

  ABSTRACT: Field experiments were conducted to determine the effect of composts prepared from different organic materials with rock phosphate (RP) on yield and P uptake of berseem and their residual effect on maize crop (cv. Azam) during 2011-2012. Composts prepared from RP fed farm yard manure (FYM), simple FYM, organic waste and city garbage were applied at the rate based on their P concentrations. Composts significantly (P ≤ 0.05) increased total dry matter weight of Berseem in first and second cut over control. Residual effect of the prepared composts was determined on yield and plant P uptake of maize in the same layout of Berseem. Maximum and significantly (P ≤ 0.05) higher maize grain yield, total dry matter yield and stover yield of 3161 kg·ha-1, 9633 kg·ha-1 and 6472 kg·ha-1, respectively were recorded by the residual effect of compost of organic waste with half dose of SSP. Thousand grains weight of 220 g was noted in the treatment of residual effect of compost of RP fed FYM with half dose of SSP. Post harvest soil N and P concentrations improved with composting. Significant (P ≤ 0.05) increases in N and P uptake by berseem and maize plants were observed with added composts. Results suggest that the use of composts prepared from different organic materials with RP is environmental friendly and has potential to improve crops yield and plants N and P uptakes for a prolonged time.