1971-1980 – Fertasa

Correlations between Bray 1 Bray 2 and Isfei soil-P extractants

Buys, AJ & GCH Venter

Du Preez, PC & HA Ranwell

Misstofverbruik in Suid-Afrika

Easton, JS

A brief review of the methods currently in use

Hyam, GFS

Communication gaps

Kotzé, HA

Die ekonomie van misstofverbruik by koring en kleingraanproduksie

Theron, EP

The economics of fertiliser usage in cultivated pastures

Von Solms, JC

Voorsittersverslag

1977

Allison, JCS

A method of deriving yield-nutrient response surfaces from simple fertiliser experiments

Anderson, SAG

A critical review of the economic viability of the fertiliser industry in South Africa

Botha, JC & BG Russell

The world’s potash industry as it relates to South Africa

Claassens, AS et al

Bekalking van suurgrond met betrekking tot CaMg-verhouding

Coetzee, JGK

Kalsium in sitrusverhouding

Farina, MPW

Potassium requirements of maize in Natal

Grewar, DM

Die rol van kunsmis in die ekonomie van kontantgewasse

Hattingh, HS

Kotzé, HA

Boerderybestuur en finansiele beplanning. Die belangrikheid daarvan in die toekomstige stabiliteit van die boerdery nywerheid

Le Roux, J

Potassium reactions in the soil

Norton, JG

The role of fertilised pastures in the economics of livestock industry in South Africa

Parsons, SD & AH Penderis

Grass Feedlots

Parsons, SD

Spies, PH

‘n Bepaling van die ekonomiese status van die Suid-Afrikaanse landbou

Van Jaarsveld, AS & HR Steyn

Die gebruik van die mielierekenaar in die voorspelling van droeland koringopbrengste in die somerreenstreek

Van Vuuren, AJ

Relationship between specific resistance and specific conductance of soils

Van Vuuren, AJ

The molybdenum-blue method

Verwey, JF & PC Nel

Bemesting vog en die proteienproduksie van mielies

Wood, RA

Potassium in sugarcane production

1975

Altona, RE

A review of some research contributions to agriculture by AE&CI Limited

Anderson, SAG

Die rol van stikstof in die plant

Blommaert, KLJ

Bornman, CH

Calcium and Magnesium in die plant

Botha, ADP & JF Ranwell

Bemestingsreaksies by mielies op ‘n witsandgrondserie met verwysing na_fosforopbouing

Buys, AJ

Samevatting van knelpunte in die kalksituasie

Dijkhuis, FJ

Nitrogen and crops and pastures

Farina, MPW

Does soil testing pay in practice

Folscher, WJ

Die toestand van suurgrond

Fouche, PS

Neutralisering van suurgrond (teoreties)

Greeff, PF & JH Terblanche

Stikstofbemesting van sagtevrugte en tafeldruiwe

Grobbelaar, N

Die rol van stikstof in die plant

Grobbelaar, N

Kalsium en Magnesium in die plant

Hyam, GFS & AH Penderis

Nitrogen fertilisation of pastures and veld

Louw, H

Stikstofomsettings en reaksies in die grond mikro-organismes sowel as die toksiese effekte daarvan

Mapham, WR

Economic aspects of fertiliser use for maize

Moberley, PK & JH Meyer

The amelioration of acid soils in the South_African sugar industry

Mohr, PJ

Optimum soil levels for series of the Avalon and Hutton forms

Mrkusic, J

The South African Phosphate manufacturing industry

Pretorius, JG et al

The lime industry in South Africa

Ranwell, JF

Response of eucaluptus grandis and eucalyptus salinga to fertlisation

Ranwell, HA

Toekomstige ontwikkeling met betrekking tot die stikstofmark in Suid-Afrika

Roux, EH

The South African Phosphate rock industry

Scott, JD

Pasture development in South Africa

Skeen, JB

The present world fertiliser situation and outlook till 1980

Sumner, ME

Soil acidity and its agronomic implications

Theron, PF

Potential for radical improvement of the highland sourveld

Theron, EP

Van Niekerk, PE le R & JF Ranwell

Proewe met Fosfaat, Kalk en Gips

Van Vuuren, PJ

Kwantitatiewe N-behoeftes van winterkoringkultivars

Volschenk, JE

Stikstofbemesting van koring en groente

Von Solms, JC

The South African Nitrogen industry in relation to the world market

Wolf, EVE

Kalsiumsilikaatreaksies

1973

Barnard, RO

A rotating bench for glasshouse experimentation

Botha, ADP

Toekomstige ontwikkeling ten opsigte van die fosformark

Du Toit, R

Die rol van die kunsmis-nywerheid in die toekomstige ontwikkeling van landbou in Suid-Afrika

Du Toit, P

Toekomstige ontwikkeling van die vleisnywerheid in Suid-Afrika

Du Toit, RJ

Voorsittersverslag

Eksteen, LL

Die waarde van grondontleding en bemestingsproefresultate by voorligting

Farina, MPW & W Mapham

The relationship between P soil test and maize yield on an avalon medium sandy loam

Grant, PM et al

Soil acidity factors affecting maize yield in Rhodesia

Grobbelaar, N

Die rol van Fosfor in die plant, en Fosfor behoeftes van die belangrikste akkerbougewasse

Grobler, JH

Grondontleding en sinkopname deur mielieplante op verskillende grondtipes

Grobler, JH

Reaksies van toegediende Fosfor draers in gronde

Hulme, S

Toekomstige ontwikkeling van gewasproduksie in die algemeen in Suid-Afrika

Joubert, DM

Toekomstige ontwikkeling van diereproduksie in die algemeen in Suid-Afrika

Luyt, L

Openings en Presidentsrede

Möhr, PJ

Guidelines for fertilisation of maize on soil series of the Avalon and Hutton forms I Phosphorus

Möhr, PJ

Guidelines for fertilisation of maize – II Nitrogen

Möhr, PJ

Guidelines for fertilisation of maize on soil series of the Avalon and Hutton forms III Potassium

Roux, EH

Reserwes, ontginning en verwerking van Fosfate

Scholtz, AP

Die toekomstige ontwikkeling van die mieliebedryf in Suid-Afrika

Skeen, JB

Evaluating the P status of soils

Van Jaarsveld, ABS

Die invloed op reenval op die droeland winterkoring te Bloemfontein

Venter, GCH et al

Short-term effects of surface applied amendments on two acid sandy loam soils in the Eastern Transvaal highveld

Verbeek, WA

Toekomstige ontwikkeling van landbou in Suid-Afrika

1979

Barnard, RO & WJ Fölscher

Loging van elemente in lisimeters onder verskillende gewasse

Blamey, FPC

A simple fortran IV program

Bruwer, JJ et al

Misstoftoediening

Fouché, PS

Kalkbehoefte

Joubert, DM

Natuurwetenskap en natuurwetenskaplike

Nienaber, TF & JA Groenewald

Finansiele aspekte van grondfosforopneming in mielieproduksie

Venter, GCH

Evaluation of low order yield responses

1978

Bruwer, JJ

Landbou-energie strategie uitwissing of oorlewing

Bruwer, JJ & EWG Fleming

The energy budget in the US food system

Cawood, WN

Solar energy and its possible role in agricultural production

Craven, GH

Medal holders function 1977 – Verhoogde opbrengste gister vandag en more

Cresswell, CF

Biological energy processes in crop production

Dickinson, EB

Agricultural Writing

Dickinson, EB

Wheat development in the Orange Free State – some recollections

Du Toit, R

The fertiliser industry – socialised or free enterprise

Du Toit, R

The role of energy in the manufacture of fertiliser

Louw, GN

Biological energy processes in animal production

Norton, JG

Chairmans Report

Pretorius, PJVE

1976

Anderson, SAG

The role of the fertiliser industry

Anderson, SAG

Beyers, CP de L

Interpretasie van sekere grondklassifikasie gegewens in terme van gewasproduksie in die winterreenstreek

Brook, CE

Agricultural production and fertiliser usage in Swaziland

Bruwer, CJ

Grondwerking invloed en orientering

De Beer, AG

Mechanical aspects of cultivation

De Swardt, SJ & JR Seretlo

The attitude of blacks towards science and agriculture

Du Bois, FG

Grondklassifikasie en die praktiese boer

Elllis, F

Beginsels van grondklassifikasie

Farina, MPW

Some agronomic aspects of fertiliser and lime application

Hartzenberg, WF

Soil physical and chemical aspects of tillage

Koch, JT

Laker, MC

Soil fertility and the potential for increased crop production in the South African homelands

Landless, BRG

Zambian agriculture with emphasis on fertiliser usage

Mallett, JB

General aspects of soil cultivation and possible future trends

Mohr, PG

Toedieningsmetodes van kunsmis en landboukalk – agronomiese aspekte

Saayman, D

Gewasproduksie in die lig van grondklassifikasie – wyndruiwe

Siemens, JC

Mechanical aspects of applying fertiliser and lime

Thompson, GD

Introduction and orientation

Van Marle, J

Soil fertility and the potential for animal production in the South African homelands

Van Niekerk, BP & BE Eisenberg

Row widths and planting rates of soybeans in the Eastern Free State

Verwey, JF & PC Nel

Invloed van bemesting op stronkverhoudings by mielies

1974

Alexander, GI

The beef cattle grazing industry in Northern Australia

Basson, AJ

The importance of fertilisation when evaluating maize cultivators

Botha, ADP et al

Conradie, WJ& PJ Gouws

Bemesting van semi-kortstrooikoring verbou onder besproeing in die Transvaal. Effek op graanopbrengs

Craven, GW & EW Laubscher

Die rol en beweging van Fosfaat in die plant

Deist, J

Reaksies van toegediende fosforkunsmiste in gronde

Du Toit, RJ

Voorsittersverslag

Eksteen, LL

Fosforbemesting van gewasse na aanleiding van navorsingsresultate

Farina, MPW & J le Roux

The relationship between exchangeable Potassium and soil moisture in some important Natal soils

Harwin, GO

Role of nutrition in beef cattle production

Hyam, GFS

Grassland fertilisation and animal production projects – their development

Kraft, JJ

Voggebruik en potensiele droestofproduksie van gewasse in die hoeveldstreek

Krumm, HE

Krumm-Phosphate rock production at Langebaan

Luitingh, HC

Certain aspects of the future development of the beef cattle industry

Luyt, L

Presidentsrede

Mengel, K

The effect of Potassium on the quality of plant products

Ranwell, JF et al

A preliminary study on the response of timber in the Transkei to fertilisation

Van Jaarsveld, AS & JJ Human

Die invloed van bogroeiverwydering op groenvoerproduksie van droeland winterkoring te Bloemfontein

Van Jaarsveld, AS & JJ Human

Die invloed van bogroeiverwydering op graanproduksie van droeland winterkoring te Bloemfontein

1972

Basson, AJ

A contribution to plant physiological diagnosis

Beaufils, ER

Benadé, DV

Opening en Presidentsrede

Botha, ADP et al

Sinkbenutting deur mielies uit verskillende bronne

Bouchet, RJ

Potential and real evapotranspiration their use and practical application

Conroy, TR

Economic aspects of the fertiliser industry in the Republic of South Africa

De Waal, JA

De Waal-Voorsittersverslag

Dekkers et al

Effect of liming and high phosphate application on plant growth on some Natal Oxisols

Farina, MPW et al

The influence of Sulphur on the yield of a grass clover pasture fertilised different sources of Phosphorus

Jurgens, CA

A look into the future

Kieser, PJ and SAG Anderson

The economics of fertiliser manufacture in South Africa

Orchard, ER

Some thoughts on soil acidity and liming

Skeen, JB et al

The maintenance of soil fertility with specific references to Nitrogen Phosphorus Potassium and Lime

1971

Altona, R

The increase production artificial natural pastures fodder crops fertilisers

Beaufils, ER

Physiological diagnosis guide improving maize production principles rubber trees

Dijkhuis, FJ

Heat unit maize production Part I-Literature review

Dijkhuis, FJ

Heat unit maize production Part II-Experimental results

Du Plessis, DF & R du T Burger

Spesifieke adsorpsie koper deur aantal gronde

Joubert, DM

Intensification animal production SA

Kearney, JP

Presidential Address

Lombard, JH

Management problems affecting utilisation high producing pastures fodder crops

Luitingh, HC

Summary Conclusion

Roberts, BR

The role animal soil fertility

Scholtz, O van G

Sinclair, DC