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Gewasdiversiteit se kritiese rol in bewaringslandbou vir Noordwes Provinsie ondersoek – Deel 1: Gewasrotasie
May 2017
DR ANDRÉ NEL, onafhanklike akkerboukundige en DR HENDRIK SMITH, bewaringslandboufasiliteerder: Graan SA
Gewasdiversiteit, of anders gestel, gewasse wat in af wisseling of assosiasie met mekaar geplant word, is een van die drie beginsels van bewaringslandbou. Die mikpunt is om soveel as moontlik gewasse in...
Molecular genotyping of target-site resistant ryegrass: A harsh reality…
September 2016
SCOTT SYDENHAM and HESTIA NIENABER, ARC-Small Grain Institute, Bethlehem
In a previous article the concept of making use of DNA markers to identify the presence of specific target-site mutations in herbicide resistant weeds has been explained extensively. Making use of these target-site DNA markers...
Uitbreiding van plaaslike perskapasiteit begin positiewe resultate oplewer
January 2016
WANDILE SIHLOBO, ekonoom: Bedryfsdienste, Graan SA en TINASHE KAPUYA, hoof: Handel en Beleggings, Agbiz
Invoervervanging is op die voorgrond in die Suid-Afrikaanse oliesaadbedryf. Dit word gerugsteun deur belegging in die uitbreiding van die plaaslike perskapasiteit (sojabone sowel as sonneblomsaad), wat tans op ongeveer 2,5...
To measure is the only way to manage nematode pressure
Harmful or plant-parasitic nematodes are difficult to control, let alone eradicate. The best – if not only –way to protect your crop, is to know what you are dealing with before you plant.
Above-ground signs are not always enough to reliably identify the presence of...
Navigating the threat of pre-harvest sprouting of wheat
Amidst shifting weather patterns, the threat of pre-harvest sprouting (PHS) of wheat has increased, prompting further research into strategies to prevent or minimise PHS. A multitude of crops are affected by PHS, including wheat, barley, rye, rice, sorghum, and maize – negatively impacting seed...
Lucerne: effects of crop residues and wheat as a nurse crop
Lucerne is commonly used as a pasture crop in long-rotation systems in the southern Cape region, where it is rotated with wheat, barley, canola and other crops. The unpredictability of rainfall and the delicate nature of lucerne seedlings create hurdles for successful establishment of...
FOKUS OP DIÉ PRAKTYKE en BLY VOLHOUBAAR BOER
Deel 2
Die volhoubaarheid van enige boerdery-onderneming is nou gekoppel aan die voordele wat die produsent kan bewerkstellig deur produksiepraktyke en doeltreffende gebruik van hulpbronne, die bestuur van insetkoste en bemarkingstrategieë. Hoë opbrengste moet nie die enigste mikpunt wees nie, maar wel volhoubare winsgewendheid.
In deel...
Canola less N fertilizer needed in CA systems
Most canola producers in the Western Cape have adopted conservation agriculture (CA). As a result of less soil disturbance, implementing crop rotation and preserving stubble (or inclusion of cover crops), the chemical, physical and biological characteristics of the soil improved dramatically.
The resultant higher soil...
Rolspelers in graan gesels saam oor stabiliteit in vooruitgang
Nagenoeg 70 landboumaatskappye en -instansies het by die Protea-hotel in Stellenbosch bymekaargekom vir die 39ste simposium en algemene jaarvergadering van die Graanhanteringsorganisasie van Suider-Afrika (GOSA). Dié geleentheid, wat op 18 en 19 Maart gehou is, het belanghebbendes vanuit die hele graanwaardeketting bymekaar gebring om...
Koolstofkrediete – ‘n goeie geleentheid vir produsente?
Koolstof was vir miljoene jare in perfekte balans in die koolstofsiklus tussen die koolstofpoele vasgevang: oseane, grond, fossielbrandstowwe (onder die grond), biomassa (plante) en die atmosfeer. Die koolstofpoele se balans is egter deur die mens versteur; baie koolstof het so van ander poele (veral...
ARTICLES
Boots die natuur na met mengsel van spesies
Produsente moet onthou hulle boer met grond – nie met mielies, skape, gras, beeste of bome nie. Binne-in die grond is lewende mikroörganismes wat...
