NSSCO Agricultural Science 6115 case studies
NSSCO Agricultural Science 6115 · Put your knowledge to work in context.
NSSCO Agricultural Science 6115 is a senior secondary school subject in Namibia, normally taken over the final two years of the Ordinary Level phase. It suits learners who intend to move into agriculture as a career - farming, agribusiness, extension, veterinary assisting, horticulture or further study in agricultural science - and also those who simply want a scientifically grounded understanding of food production. The NSSCO Agricultural Science 6115 case studies are 5 cases and about 3,181 words.
1Residue Retention versus Communal Grazing on a Sandy Loam Farm
Mrs Amutenya farms 4.5 ha of sandy loam in a semi-arid communal area. She has grown continuous maize for eight years; yields have fallen from 3.2 t/ha to 1.4 t/ha while fertiliser costs rose by 60% after a subsidy ended.
630 words, about 3 min2Reading a Single Soil Test on a 1.2 ha Acid Sandy Field
A farmer in a semi-arid area has 1.2 ha of gently sloping (6%) sandy loam that has grown maize for twelve consecutive seasons. She applies two 25 kg bags of 2:3:2 at planting and top-dresses once with urea, but yields have stayed near 1.2 t/ha.
623 words, about 3 min3A Dry-Season Nutrition Gap in an 18-Cow Herd
A farm of 24 ha of natural rangeland plus 2 ha of maize keeps 18 crossbred cows (about 62% exotic blood). During the five-month dry season the herd grazes standing maize stover after harvest and receives 1 kg/day of a 12% crude protein concentrate; no legume hay or mineral supplement is given.
634 words, about 3 min4Tomato Glut: Sell Fresh, Dry, or Leave in the Field?
A farmer has 2 ha of tomatoes and expects 35 t over a three-week harvest. In the first week the local wholesale price collapses from 0.55/kg to 0.12/kg because three neighbouring farms are also harvesting.
619 words, about 3 min5Re-entry After Spraying: An Incident, a Concealment Request and a Rewritten SOP
On a horticultural farm three workers take turns using a knapsack sprayer to apply a WHO Class II insecticide to tomatoes. The label specifies gloves, boots, coveralls and a face shield, and a 24-hour re-entry interval.
675 words, about 3 min