Pneumatic fertilizer distribution an exploratory study

Progress report.

Annual report.

Nitrogen movement in water draining from irrigated riceland od Singh, Virendra Pal 1951-

A drainage study of the south-west portion of Upper Pampanga River Integrated Irrigation System od Irinco, Reinerio E.

The influence of irrigation on communication and communication-related variables on the socio-economic life of the Ibaloys in Bineng, La Trinidad, Benguer 1977-1979 od Barros, Faith C. V. 1952-

A case study on organizing irrigators' associations the Siwaragan experience od Jopillo, Sylvia Ma. G.

Vegetable kingdoms taro irrigation and Pacific prehistory od Spriggs, Matthew James Thomas

The archaeology of the Ifugao agricultural terraces antiquity and social organization. od Acabado, Stephen

Available for University of the Philippines Diliman via ProQuest Filipiniana Dissertations and Theses titles

Testing the effectivity of different types of household greywater on irrigation of Marigold Plant od O'Yek, John David O.