, Research Papers

Effect of continuous cropping and fertilization on the total, organic and available sulphur in a Hapludoll

Research Papers
H.C. Tiwari
Department of Soil Science, G.B. Pant University of Agriculture and Technology, Pantnagar - 263 145, India
M.S. Gangwar
Department of Soil Science, G.B. Pant University of Agriculture and Technology, Pantnagar - 263 145, India
Nand Ram
Department of Soil Science, G.B. Pant University of Agriculture and Technology, Pantnagar - 263 145, India
PDF

Keywords

Sulphur
total
organic and available
Continuous cropping
Fertilizers
Hapludoll

How to Cite

Effect of continuous cropping and fertilization on the total, organic and available sulphur in a Hapludoll. (1995). Tropical Agriculture, 72(4). https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/2639
ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver AMA

Download Citation

Endnote/Zotero/Mendeley (RIS) BibTeX

Abstract

The status of total, organic and three measures of available S, i.e. Ca(H2PO4)2-S, CaCl2-S, and heat soluble S were monitored after 17 years of continuous cropping rice-wheat-cowpea with heavy fertilizer inputs in an Aquatic Hapludoll soil. Total and organic S declined to half without S but built up remarkably with S containing NPK fertilizers. The relative effectiveness to extract available S followed the order Ca(H2PO4)2 > heat soluble > CaCl2. Addition of S-bearing fertilizers enhanced S availability particularly with an increase in NPK levels.
PDF