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Your search for [subject]Plants, Effect of nitrogen on returned 12 records. |
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The NPK nutrition and moisture relation studies and their effects on quality of Virginia tobacco [microform].
by Wiroatmodjo, Joedojono, 1945-; Quezon City :Photoduplication Service. University of the Philippines Library: 1980.
Subject: Tobacco; Plants, Effect of nitrogen on; Plants, Effect of potassium on; Plants, Effects of phosphorus on; Water -- Physiological effect.
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The NPK nutrition and moisture relation studies and their effects on quality of Virginia tobacco.
by Wiroatmodjo, Joedojono, 1945-;
Subject: Tobacco; Plants, Effect of nitrogen on; Plants, Effect of potassium on; Plants, Effects of phosphorus on; Water -- Physiological effect.
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Nitrogen and phosphorous requirements of gmelina arborea (Roxb.) seedlings.
by Serna, Constante B., 1935-;
Subject: Yemane -- Fetilizers and manures; Nitrogen fertilizers; Phosphatic fertilizers; Plants, Effect of nitrogen on; Plants, Effect of phosphorous on.
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The effects of N, K, and CA on the growth yield and quality fo snap cowpea [microform].
by Bautista, Ofelia Karganilla, 1940-; Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Subject: Cow-peas; Plants, Effect of nitrogen on; Plants, Effect of potassium on; Plants, Effect of calcium on.
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The effects of N, K, and CA on the growth yield and quality of snap cowpea.
by Bautista, Ofelia Karganilla, 1940-;
Subject: Cow-peas; Plants, Effect of calcium on; Plants, Effect of nitrogen on; Plants, Effect of potassium on.
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N P K nutrition of sugarcane.
by Pecho, Venancio M., 1930-;
Subject: Plants, Effect of nitrogen on; Plants, Effect of phosphorus on; Plants, Effect of potassium on; Sugar-cane -- Fertilizers and manures; Sugar-cane -- Irrigation.
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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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Nitrogen and rice.
Los Banos, Laguna: IRRI, 1979.
Subject: Plants, Effect of nitrogen on; Nitrogen -- Fixation; Rice; Soils -- Nitrogen content.
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Influence of nitrogen and potassium on the growth and competitive ability of camote (Ipomoea batatas (L.) Poir) with cogon (Imperata cylindrica (L.) Beauv.).
by Silva, Lilia Bernales, 1944-;
Subject: Sweet potatoes -- Philippines -- Research; Cogon grass -- Philippines; Plants, Effect of nitrogen on; Plants, effect of potassium on.
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Dry matter production and nutrient uptake in strawberry at different growth stages and nitrogen levels.
by Castro, Alejandro Dumo, 1935-;
Subject: Strawberries; Nitrogen fertilizers; Plants, Effect of nitrogen on.
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