HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Soratto, R. P. Articles by Crusciol, C. A. C. Search for Related Content PubMed Articles by Soratto, R. P. Articles by Crusciol, C. A. C. Agricola Articles by Soratto, R. P. Articles by Crusciol, C. A. C. Related Collections Dryland Cropping Systems Crop Systems Production Agriculture

Dolomite and Phosphogypsum Surface Application Effects on Annual Crops Nutrition and Yield

São Paulo State Univ. (UNESP), College of Agricultural Science, Dep. of Crop Science, Lageado Experimental Farm, P.O. Box 237, 18610-307, Botucatu, São Paulo, Brazil

View larger version (26K): [in this window] [in a new window]   Fig. 1. Rainfall (mm d–1) at the experimental area at Botucatu, São Paulo State, Brazil, during the period from December to April in the agricultural years of (a) 2002–2003 and (b) 2003–2004.

View larger version (13K): [in this window] [in a new window]   Fig. 2. (a) Calcium, (b) Mg, and (c) Mn contents in upland rice flag leaves as affected by surface dolomitic limestone rates. Averaged two phosphogypsum treatments and two cultivars. Botucatu, São Paulo State, Brazil, 2002–2003. Symbols are observed values and lines are predicted values. Vertical bars represent standard error. *P < 0.05; **P < 0.01.

View larger version (21K): [in this window] [in a new window]   Fig. 3. Dolomitic limestone x cultivar interaction for (a) shoot dry matter and (b) grain yield of upland rice. Triangles = IAC 202 and circles = Caiapó, averaged two phosphogypsum treatments. Botucatu, São Paulo State, Brazil, 2002–2003. Symbols are observed values and lines are predicted values. Vertical bars represent standard error. *P < 0.05; **P < 0.01.

View larger version (27K): [in this window] [in a new window]   Fig. 4. (a) Potassium, (b) Mg, (c) S, and (d) Zn contents in leaves, (e) shoot dry matter, and (f) grain yield of common bean as affected by surface dolomitic limestone rates. Circles = averaged two cultivars and two phosphogypsum treatments. Diamonds = 0 kg ha–1 of phosphogypsum and Squares = 2100 kg ha–1 of phosphogypsum, averaged two cultivars. Botucatu, São Paulo State, Brazil, 2003–2004. Symbols are observed values and lines are predicted values. Vertical bars represent standard error. *P < 0.05; **P < 0.01.