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Georgala, M. B: A Contribution to the biology of the mite Bryobia Praetiosa Koch (Fam..

25,00 €

Morkel, W. A: Spek en ham insout op die plaas. Pamflet (Suid-Afrika. Departement van Landbou) 25.

25,00 €

Lawrence, R. F: A Conspectus of South African Spiders. Pamflet (Suid Afrika. Departement van..

25,00 €

Copeman, P. R. v. d. R. et al: A study of some chemical changes occurring during the dehydration of..

25,00 €

Dreyer, D. J.; Putterill, V. A: Kasverpakking van pere vir uitvoer. Pamflet (Suid Afrika..

25,00 €

Bakalor, S. ; Kock, A. A. de: Composition of milk offered for sale in Pretoria. Pamflet (Suid..

25,00 €

Scott, J. D: A contribution to the study of the problems of the Drakensberg Conservation Area..

25,00 €

Putterill, V. A.; Dreyer, D. J: Peer verpakkingsproewe : vorderingsverslae nos. 2, 3 en 4 en 'n..

25,00 €

Lundie, A. E: Koninginby-teelt. Pamflet (Suid-Afrika. Departement van Landbou) 76.

25,00 €

De Villiers, G. D. B.; Persse, J. A: An Investigation into the Precipitation Intensity at..

25,00 €

Louw, A. J: Studies of the Influence of Environmental Factors on the Overwintering and Epiphytology..

25,00 €

Davis, D. H. S.; Thomas, A. D: Gerbille Control, An aid to crop protection and plague prevention..

25,00 €

Strasheim, A: A few applications of spectrochemical analysis in fruit research. Pamflet (Suid..

25,00 €

Louw, H. A: Microbiological analysis of a Western Cape province grain soil under various crop..

25,00 €

Chippindall, L. K. A: The common names of grasses in South Africa = Gewone name van grassoorte in..

25,00 €

Oberholzer, P. C. J.; Mathews, I.; Stiemie, S. F: The decline of grapefruit trees in South Africa..

25,00 €

Louw, A. J: Spraying experiments against apple scab [Venturia inaequalis (Cke.) Wint.] in the..

25,00 €

Tooke, F. G. C: Beetles injurious to timber in South Africa : a study of their biology, prevention..

25,00 €

Pienaar, W. J.; Lotz, E. v. d. S.; Piaget, J. E. H: A few observations in connection with the flame..

25,00 €

Prinsloo, A. L: An economic survey of citrus growing in the Union. Pamflet (Suid Afrika..

25,00 €

Neethling, J. C: A comparative study of wheat farming in four sub areas in the winter rainfall crop..

25,00 €

Haylett, D. G.; Theron, J. J: Studies on the fertilisation of a grass ley. Pamflet (Suid Afrika..

25,00 €

Villiers, G. D. B. de: A ten year summary of the climatological data recorded at the Agro..

25,00 €

Lochner, E. H. W: The control of the red spider (Tetranychus bimaculatus Harvey), a description of..

25,00 €

Lea, A: Studies on the behaviour of adult brown locusts in the Karoo. Pamflet (Suid Afrika..

25,00 €

Wager, Vincent A: The black spot disease of citrus in South Africa. Pamflet (Suid Afrika..

25,00 €

Du Plessis, S. J.; J A Truter: Brown spot disease of lupins caused by pleiochaeta setosa. Pamflet..

25,00 €

Doidge, E. M. et al: A revised list of plant diseases occurring in South Africa. Pamflet (Suid..

25,00 €

Gorter, G. J. M. A: Studies on the spread and control of the streak disease of maize, Pamflet (Suid..

25,00 €

Theron , P. P. A: Studies on the Provision of Hosts for the Mass Rearing of Codling Moth Parasites..

25,00 €

Lansdell, K. A: Onkruide van Suid Afrika. Onkruid no. 21, Die Agterplaas knooponkruid (Polygonum..

25,00 €

Bosman, A M; Bonsma, F. N: Noodsaaklike verbeterings op die grootbeesplaas : 'n oorsig van die..

25,00 €

Marloth, Raimund H: Sweet orange as a rootstock for citrus. Pamflet (Suid Afrika. Departement van..

25,00 €

Vorster, J. A: The engineering problems in soil erosion control. Pamflet (Suid Afrika. Departement..

25,00 €

Gericke, A. M: The nutrition of poultry. Pamflet (Suid Afrika. Departement van Landbou) 260 =..

25,00 €

Munro, H K; F A Fouche: A list of the scale insects and mealy bugs (Coccidae) and their host plants..

25,00 €

Pentz, J. A: Suid Afrikaanse weigrassoorte tesame met 'n opname van die ondersoekwerk op die..

25,00 €

Putterill, V. A: Ondersoekswerk in verband met die bederf van sitrusvrugte. Voorsettingsverslag no..

25,00 €

Putterill, V. A.; Dreyer, D. J: Ondersoek in verband met die bederf van sitrusvrugte..

25,00 €

Leemann, A C: Die Uitroeiing van gifblaar (Dichapetalum cymosum). Pamflet (Suid Afrika. Departement..

25,00 €

Putterill, V. A: Ondersoek in verband met die bederf van sitrusvrugte. Voorsettingsverslag no. 2..

25,00 €

Putterill, V A ; Rees Davies: Ondersoekwerk wat gedurende die seisoene 1931 en 1932 op Zebediela..

25,00 €

Rainey, R. C: Cotton and its Pests in South Africa Ratooning as a threat to the revival of cotton..

25,00 €

Lea, A: Laboratory tests with baits containing benzene hexachloride against locust hoppers. Pamflet..

25,00 €

Mosely, L. A: Suiwelbereiding op die plaas : die hantering van melk en room. Pamflet (Suid Afrika..

25,00 €

Pentz, J. A: Suid Afrikaanse landbougrasse en grasveldbestuur. Pamflet (Suid Afrika. Departement..

25,00 €

Putterill, V. A: The deciduous fruit export season 1929 1930. Pamflet (Suid Afrika. Departement van..

30,00 €

Beekman, H. A. J. M: Boschbeschadigingen en boschbescherming in Indonesië.

20,00 €

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176 Artikel gefunden

Georgala, M. B: A Contribution to the biology of the mite Bryobia Praetiosa Koch (Fam..

Morkel, W. A: Spek en ham insout op die plaas. Pamflet (Suid-Afrika. Departement van Landbou) 25.

Lawrence, R. F: A Conspectus of South African Spiders. Pamflet (Suid Afrika. Departement van..

Copeman, P. R. v. d. R. et al: A study of some chemical changes occurring during the dehydration of..

Dreyer, D. J.; Putterill, V. A: Kasverpakking van pere vir uitvoer. Pamflet (Suid Afrika..

Bakalor, S. ; Kock, A. A. de: Composition of milk offered for sale in Pretoria. Pamflet (Suid..

Scott, J. D: A contribution to the study of the problems of the Drakensberg Conservation Area..

Putterill, V. A.; Dreyer, D. J: Peer verpakkingsproewe : vorderingsverslae nos. 2, 3 en 4 en 'n..

Lundie, A. E: Koninginby-teelt. Pamflet (Suid-Afrika. Departement van Landbou) 76.

De Villiers, G. D. B.; Persse, J. A: An Investigation into the Precipitation Intensity at..

Louw, A. J: Studies of the Influence of Environmental Factors on the Overwintering and Epiphytology..

Davis, D. H. S.; Thomas, A. D: Gerbille Control, An aid to crop protection and plague prevention..

Strasheim, A: A few applications of spectrochemical analysis in fruit research. Pamflet (Suid..

Louw, H. A: Microbiological analysis of a Western Cape province grain soil under various crop..

Chippindall, L. K. A: The common names of grasses in South Africa = Gewone name van grassoorte in..

Oberholzer, P. C. J.; Mathews, I.; Stiemie, S. F: The decline of grapefruit trees in South Africa..

Louw, A. J: Spraying experiments against apple scab [Venturia inaequalis (Cke.) Wint.] in the..

Tooke, F. G. C: Beetles injurious to timber in South Africa : a study of their biology, prevention..

Pienaar, W. J.; Lotz, E. v. d. S.; Piaget, J. E. H: A few observations in connection with the flame..

Prinsloo, A. L: An economic survey of citrus growing in the Union. Pamflet (Suid Afrika..

Neethling, J. C: A comparative study of wheat farming in four sub areas in the winter rainfall crop..

Haylett, D. G.; Theron, J. J: Studies on the fertilisation of a grass ley. Pamflet (Suid Afrika..

Villiers, G. D. B. de: A ten year summary of the climatological data recorded at the Agro..

Lochner, E. H. W: The control of the red spider (Tetranychus bimaculatus Harvey), a description of..

Lea, A: Studies on the behaviour of adult brown locusts in the Karoo. Pamflet (Suid Afrika..

Wager, Vincent A: The black spot disease of citrus in South Africa. Pamflet (Suid Afrika..

Du Plessis, S. J.; J A Truter: Brown spot disease of lupins caused by pleiochaeta setosa. Pamflet..

Doidge, E. M. et al: A revised list of plant diseases occurring in South Africa. Pamflet (Suid..

Gorter, G. J. M. A: Studies on the spread and control of the streak disease of maize, Pamflet (Suid..

Theron , P. P. A: Studies on the Provision of Hosts for the Mass Rearing of Codling Moth Parasites..

Lansdell, K. A: Onkruide van Suid Afrika. Onkruid no. 21, Die Agterplaas knooponkruid (Polygonum..

Bosman, A M; Bonsma, F. N: Noodsaaklike verbeterings op die grootbeesplaas : 'n oorsig van die..

Marloth, Raimund H: Sweet orange as a rootstock for citrus. Pamflet (Suid Afrika. Departement van..

Vorster, J. A: The engineering problems in soil erosion control. Pamflet (Suid Afrika. Departement..

Gericke, A. M: The nutrition of poultry. Pamflet (Suid Afrika. Departement van Landbou) 260 =..

Munro, H K; F A Fouche: A list of the scale insects and mealy bugs (Coccidae) and their host plants..

Pentz, J. A: Suid Afrikaanse weigrassoorte tesame met 'n opname van die ondersoekwerk op die..

Putterill, V. A: Ondersoekswerk in verband met die bederf van sitrusvrugte. Voorsettingsverslag no..

Putterill, V. A.; Dreyer, D. J: Ondersoek in verband met die bederf van sitrusvrugte..

Leemann, A C: Die Uitroeiing van gifblaar (Dichapetalum cymosum). Pamflet (Suid Afrika. Departement..

Putterill, V. A: Ondersoek in verband met die bederf van sitrusvrugte. Voorsettingsverslag no. 2..

Putterill, V A ; Rees Davies: Ondersoekwerk wat gedurende die seisoene 1931 en 1932 op Zebediela..

Rainey, R. C: Cotton and its Pests in South Africa Ratooning as a threat to the revival of cotton..

Lea, A: Laboratory tests with baits containing benzene hexachloride against locust hoppers. Pamflet..

Mosely, L. A: Suiwelbereiding op die plaas : die hantering van melk en room. Pamflet (Suid Afrika..

Pentz, J. A: Suid Afrikaanse landbougrasse en grasveldbestuur. Pamflet (Suid Afrika. Departement..

Putterill, V. A: The deciduous fruit export season 1929 1930. Pamflet (Suid Afrika. Departement van..

Beekman, H. A. J. M: Boschbeschadigingen en boschbescherming in Indonesië.