G. Punzalan

发表

A plant sampling procedure for acetylene reduction assay to detect rice varietal differences in ability to stimulate N2 fixation

J. Ladha, A. Tirol-Padre, I. Watanabe, 1988 .

Genotypic variation in nitrogen use efficiency in medium- and long-duration rice

J. Ladha, U. Singh, A. Tirol-Padre, 1998 .

Grain yield performance of rice genotypes at suboptimal levels of soil N as affected by N uptake and utilization efficiency

J. Ladha, A. Tirol-Padre, S. Akita, 1996 .

Nitrogen-Fixing (C2H2-Reducing) Activity and Plant Growth Characters of 16 Wetland Rice Varieties

J. Ladha, A. Tirol-Padre, I. Watanabe, 1987 .

The effects on N2 fixation (C2H2 reduction), bacterial population and rice plant growth of two modes of straw application to a wetland rice field

J. Ladha, A. Tirol-Padre, I. Watanabe, 1987, Biology and Fertility of Soils.

Effect of inorganic N and organic fertilizers on nitrogen-fixing (acetylene-reducing) activity associated with wetland rice plants

J. Ladha, A. Tirol-Padre, I. Watanabe, 1989 .

Nondestructive Estimation of Shoot Nitrogen in Different Rice Genotypes

Jagdish K. Ladha, J. Ladha, A. Tirol-Padre, 1998 .

Recycling in situ of Legume-Fixed and Soil Nitrogen in Tropical Lowland Rice

J. Ladha, R. Buresh, T. George, 1998 .