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The potassium requirements of maize and soyabean on a high K-fixing soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: V. Kovačević --- Department of Crop Production, Yugoslavia V. Vukadinović --- Department of Crop Production, YugoslaviaSevere K nutritional problems in maize (Zea mays L.) and soyabean (Glycine max (L) Merr.) are common on the strongly K-fixing gleysols of east Croatia, Yugoslavia. There is, however, little information currently available regarding the K fertilizer requirements of these... -
Invloed van N-bemesting en rhizobiumrasse op opbrengs en N-samestelling van die saad van sojabone (Glycine max)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. D.P. Botha --- , Republiek van Suid-Afrika D.C. Pretorius --- , Republiek van Suid-Afrika R. L.J. Coetzer --- , Republiek van Suid-AfrikaDie studie is onderneem om die invloed van twee faktore, N-bemesting en atmosferiese N-binding, op opbrengs en proteïengehalte van Suid-Afrikaanse sojabone vas te stel. Drie N-misstowwe (ureum, NH4 +, NO3 −) met 15N verryk, is in 'n potproef teen 20... -
Invloed van 15NH4-N wat op vier groeistadia teen vier peile toegedien is, op di N-samestelling en opbrengs van sojabone [Glycine max (L.) Merrill]
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. D.P. Botha --- , Republiek van Suid-Afrika D.C. Pretorius --- , Republiek van Suid-Afrika R. L.J. Coetzer --- , Republiek van Suid-Afrika'n Potproef is onder temperatuur-gekontroleerde toestande in 'n glashuis onderneem met 'n fynsandgrond wat aanvanklik vry van rhizobium bakterieë was. Glycine max (L.) Merrill (kultivar Prima) is met 'n mengsel van twee bekende rasse van Bradyrhizobium japonicum gei'nokuleer. Die invloed... -
Grain yield and rainfall use efficiency responses of maize and alternative rotating crops under marginal production conditions in the western Highveld of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.A. Nel --- ,Crop rotation is known to enhance crop yields. It is therefore recommended, regardless of rainfall and soil type, as a counter measure for the risks associated with monoculture maize (Zea mays). Experience in the western Highveld where rainfall is low...