selected publications
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article
- Genetic Diversity and Phylogeny Analysis of Anabaena-azollae Based On Rflps Detected in Azolla-anabaena Azollae Dna Complexes Using Nif Gene Probes. Theoretical and Applied Genetics. 91:589-597. 1995
- Genetic Diversity and Phylogeny Analysis of Azolla Based On Dna Amplification By Arbitrary Primers. Genome. 36:686-693. 1993
- Green manure production of Azolla microphylla and Sesbania rostrata and their long-term effects on rice yields and soil fertility. Biology and Fertility of Soils. 15:241-248. 1993
- Sexual Hybrids of Azolla filiculoides with A. microphylla. Soil Science and Plant Nutrition. 39:669-676. 1993
- Improving nitrogen-fixing systems and integrating them into sustainable rice farming. Plant and Soil. 141:57-67. 1992
- Aspects of the genetic and botanical status of Neotropical Azolla species. New Phytologist. 119:561-566. 1991
- Assessment and Attempt To Explain the High-performance of Azolla in Subdesertic Tropics Versus Humid Tropics. Plant and Soil. 137:145-149. 1991
- NITROGEN ACCUMULATION AND CHANGES IN NATURAL N-15 ABUNDANCE IN THE TISSUES OF LEGUMES WITH EMPHASIS ON N2 FIXATION BY STEM-NODULATING PLANTS IN UPLAND AND PADDY FIELDS. Soil Science and Plant Nutrition. 37:75-82. 1991
- THE ANABAENA-AZOLLA SYMBIOSIS - DIVERSITY AND RELATEDNESS OF NEOTROPICAL HOST TAXA. Plant and Soil. 137:167-170. 1991
- Limited Multiplication of Symbiotic Cyanobacteria of Azolla spp. on Artificial Media. Applied and Environmental Microbiology. 56:3623-3626. 1990
- ESTIMATING N2 FIXATION BY SESBANIA-ROSTRATA AND S CANNABINA (SYN S ACULEATA) IN LOWLAND RICE SOIL BY THE N-15 DILUTION METHOD. Biology and Fertility of Soils. 10:77-88. 1990
- ESTIMATION OF N-2 FIXATION IN SOYBEAN AND COWPEA BY USING SOIL RESIDUAL N-15. Soil Science and Plant Nutrition. 36:375-381. 1990
- ESTIMATION OF N-2 FIXATION OF SOYBEAN BY COMPARISON OF DIFFERENT N-15 LABELING METHODS. Soil Science and Plant Nutrition. 36:383-388. 1990
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document
- DIFFERENCE IN SURVIVAL OF UPTAKE HYDROGENASE POSITIVE AND NEGATIVE STRAINS OF BRADYRHIZOBIUM-JAPONICUM IN FLOODED AND NONFLOODED SOIL. Soil Science and Plant Nutrition. 361-364. 1992