The soil and health a study of organic agriculture by Howard, Albert Sir 1873-1947

Pay dirt; farming & gardening with composts by Rodale, Jerome Irving 1898-

The measurement of population growth methods and results by Kuczynski, Robert Rene, 1876-1947

A report on fertilizer distribution in the Philippines by Miles, Ivan E.

Farm soils, their management and fertilization by Worthen, Edmund Louis 1882-

Sustainable ammonia a key technological challenge for Asia. by Razon, Luis F.

Farmers' group seeks probe of steady rise in fertilizer prices by Ocampo, Karl R.

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DA wants more funding for fertilizer subsidies by Talavera, Catherine

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Farmers supports call for higher local fertilizer production by Miraflor, Madelaine B.

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Farmers support local production of fertilizers by Talavera, Catherine

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