The productivity of pine plantations in relation to previous land use M. F. SkinnerP. M. Attiwill OriginalPaper Pages: 161 - 176
The effect of lime on nitrogen mineralization as measured by grass growth D. C. EdmeadesM. JuddS. U. Sarathchandra OriginalPaper Pages: 177 - 186
Balance sheet of soil phosphorus and potassium as influenced by intensive cropping and fertilizer use B. PrasadN. P. Sinha OriginalPaper Pages: 187 - 193
Respiratory stress in cucumber roots treated with ammonium or nitrate nitrogen Hideaki MatsumotoKoichi Tamura OriginalPaper Pages: 195 - 204
Alfalffa,Medicago sativa L., in highly weathered, acid soils J. H. BoutonM. E. SumnerJ. E. Giddens OriginalPaper Pages: 205 - 211
Dark CO2 fixation in leaves of tomato plants grown with ammonium and nitrate as nitrogen sources Motoki IkedaYoshio Yamada OriginalPaper Pages: 213 - 222
Influence of lead, cadmium, and nickel on the growth ofMedicago sativa (L.) R. W. TaylorD. W. Allinson OriginalPaper Pages: 223 - 236
Effects of different methods of acid hydrolysis on the nitrogen distribution in two soils M. SchnitzerD. A. Hindle OriginalPaper Pages: 237 - 243
Biological control ofRhizoctonia solani in strawberry fields byTrichoderma harzianum Yigal EladIlan ChetYigal Henis OriginalPaper Pages: 245 - 254
Natural (non-pathogenic) death of the cortex of wheat and barley seminal roots, as evidenced by nuclear staining with acridine orange Christine M. HenryJ. W. Deacon OriginalPaper Pages: 255 - 274
The influence of some soil and plant factors on the concentration of copper in perennial ryegrass S. C. JarvisD. C. Whitehead OriginalPaper Pages: 275 - 286
Abundance of algal species in relation to soil types and major crops in cultivated soils of Karnataka state (India) U. D. Bongale Short Communications Pages: 289 - 293
Effect of calcium carbonate and organic matter on the growth and concentration of iron and manganese in sorghum (Sorghum bicolor) J. D. PatilN. D. Patil Short Communications Pages: 295 - 300
Comparative studies on simple lipids ofSclerotium cepivorum, the causal agent of white rot of onion, and other fungi of the class Deuteromycetes Daoud W. BishySamuel E. MegallaHassan M. Abdel-Fattah Short Communications Pages: 301 - 307
Growth and nitrogen fixation ofAeschynomene under water stressed conditions S. L. AlbrechtJ. M. BennettK. H. Quesenberry Short Communications Pages: 309 - 315
A comparison of nitrogen-fixing ability of peanut, cowpea and siratro plants nodulated by different strains of Rhizobium Dipankar SenR. W. Weaver Short Communications Pages: 317 - 319