Plasma nitriding of steels Autor Aghajani, Hossein, Behrangi, Sahand

Available for University of the Philippines Diliman via SpringerLink. Click here to access
Also available remotely for University of the Philippines Diliman via SpringerLink. Click here to access thru EZproxy

Morphological and anatomical responses of corn (Zea mays L. IPB var. 911) seedlings to lead nitrate Autor Yllano, Orlex Baylen 1973-

Land use and groundwater quality in the upper Agno watershed (Loo and Cayapas Valleys, Northern Benguet) Autor Pascua, Chelo Supnet

Progress in nitrogen cycling studies proceedings of the 8th Nitrogen Workshop, held at the University of Ghent, 5-8 September 1994

Biological nitrogen fixation in sustainable rice farming Autor Watanabe, Iwao

Ecological study of the Bontoc rice paddy system a case of human-environment interaction Autor Omengan, Elizabeth A., Sajise, Percy E.

Nitrogen and phosphorus cycles in a Bontoc rice paddy system Autor Omengan, Elizabeth A.

Nitrogen and rice

Nitrogen and rice

Nitrogen and rice