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Your search for [subject]Nitrogen fertilizers -- Philippines returned 3 records. |
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Time of nitrogen application on dry seeded rice grown after mungbean established at different tillage levels.
by Piroge, Suvanjinda, 1951-;
Subject: Rice -- Philippines -- Fertilizers and manures; Nitrogen fertilizers -- Philippines.
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Increasing fertilizer / nitrogen and insecticide.
by De Datta, S. K.;
Subject: insecticide. -- Research -- Philippines; Crops and nitrogen -- Philippines; Nitrogen fertilizers -- Philippines; Rice -- Yields; Plants, Effect of nitrogen on -- Philippines; Plants, Effect of insecticide on -- Philippines.
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Effect of nitrogen and phosphorus ratios on the productivity of brackishwater fishponds.
by Saclauso, Crispino A., 1953-;
Subject: Fish ponds -- Philippines; Fish culture -- Philippines; Nitrogen fertilizers -- Philippines; Phosphatic fertilizers -- Philippines.
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