منابع مشابه
Soil Compaction in the South African Sugar Industry – a Review
The last comprehensive review of soil compaction within the South African sugar industry was at a SASTA workshop held in 1964. Since then, the use of mechanised infield loading and transport has developed rapidly and there has also been a significant increase in the use of tractors for other field operations such as fertilizer application and weed control. Harvesting and cane extraction during ...
متن کاملSulphur Availability in Soils of the South African Sugar Industry
An investigation was conducted in the laboratory and glasshouse to assess the sulphur (S) supplyingability of the important soil forms of the sugar industry. The amount of S in the soil as measured by a 0,5N ammonium acetate extraction procedure, was compared with the availability ofS during continuouscroppingof sorghumin pots. The number ofcropsrequired to exhaust the reserves of S was fairly ...
متن کاملFertility Trends in the South African Sugar Industry
Since the nutrient survey of the South African sugar industry in 1970 little use has been made of analytical data for determining trends in soil fertility and plant nutnent uptake in the regional extension areas of the industry. This became possible in 1980 following computerisation of fertilizer recommendations by the Fertilizer Advisory Service (FAS)of the Experiment Station. Since then a dat...
متن کاملA Trickle Irrigation Experiment in the South African Sugar Industry
A trickle irrigation experiment on sugarcane was established in October 1985 on the SASA Experiment Station farm at Shakaskraal. The objectives were to establish suitable operating procedures, to measure cane yield potential, and to study the effects of factors such as fertigation and crop row spacingon yieldsoftrickle irrigated sugarcane. The results ofthe plant and first ratoon crops of this ...
متن کاملThe Sugar Logistic Improvement Programme (slip): an Initiative to Improve Supply Chain Efficiencies in the South African Sugar Industry
A logistics chain in the South African sugar industry has been defined as the different agents responsible for growing, hauling and milling sugarcane. Inefficiencies in a logistics chain can be broadly classified into two categories: ! Individual inefficiencies associated with an inappropriate technology and/or the management practices of individual members of a logistics chain. ! Collective in...
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ژورنال
عنوان ژورنال: Nature
سال: 1957
ISSN: 0028-0836,1476-4687
DOI: 10.1038/1801378a0