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

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

Land use and groundwater quality in the upper Agno watershed (Loo and Cayapas Valleys, Northern Benguet) অনুযায়ী 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 অনুযায়ী Watanabe, Iwao

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

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

Nitrogen and rice

Nitrogen and rice

Nitrogen and rice