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Your search for [author]Calinga,Ronald H. returned 7 records. |
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Field and laboratory studies on the effectiveness of dungs for the control of plant parasitic nematodes on cowpea.
by Calinga,Ronald H.; College, Laguna: University of the Philippines at Los Ba?os, 1979.
Subject: Manure, Organic -- Parasitic Nematode control in Cowpeas (Vigna unguiculata); Cowpeas, Parasitic nematode control in -- Organic manure, Effect of -- Vigna unguiculata.
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Studies on the pathological reactions of different varieties of vegetables to Meloidogyne incognita.
by Calinga, Ronaldo H.; Manila: BPI, [n.d.]. 11p.
Subject: VEGETABLES; PEST RESISTANCE; RESISTANCE TO INJURIOUS FACTORS; MELOIDOGYNE.
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Job satisfaction of teachers in some selected secondary schools in the division of Agusan del Norte, 1994.
by Calinga, Jaime M.; 1994.
Subject: High school teachers -- Agusan del Norte -- Job satisfaction; Teachers -- Job satisfaction.
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Field and laboratory studies on the effectiveness of dungs for the control of plant parasitic nematodes on cowpea.
by Calinga, Ronaldo H.; 1979.
Subject: Plant nematodes -- Control; Cowpeas. -- Fertilizers and manures; Farm manure.
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Population dynamics of nematode pests of selected annual crops and nematode density-yield loss relationships.
by Calinga, Ronaldo H.; 1983.
Subject: Nematode diseases of plants -- Philippines; Plants -- Diseases and pest resistance; Philippines..
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Varietal resistance of vegetable to root-knot nematode, Meloidogyne spp.
by Calinga, Ronaldo H.; Los Banos, Laguna: BPI, Economic Garden, 1973. 7p.
Subject: TOMATOES; SOLANUM MELONGENA; PEST RESISTANCE; RESISTANCE TO INJURIOUS FACTORS; MELOIDOGYNE.
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Field and laboratory studies on the effectiveness of dungs for the control of plant parasitic nematodes on cowpea.
by Calinga, Ronaldo H., 1939-;
Subject: Farm manure; Plant nematodes -- Control -- Philippines.
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