"rock" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- Synthetic nitrogen, along with mined rock phosphate, pesticides and mechanization, have greatly increased crop yields in the early 20th century.
- Its increasing price and scarcity (global price of rock phosphate rose 8-fold in the 2 years to mid 2008) could change global agricultural patterns.
- An initial application of rock phosphate has kept the system going for many years.
- It expects to supply 411,200 tons of granulated rock phosphate to local fertilizer manufacturers within the next five years.
- About 39% of the revenue is generated from the transportation of petroleum, 19% from imported wheat, fertilizer and rock phosphate.
- A lease to mine rock phosphate on the islands was obtained by Charles Broadhurst in 1884.
- Other organic fertilizer sources could be seaweed, fishmeal, manures and rock phosphate.
- The world's total economic demonstrated resource of rock phosphate is 18 Gt, which occurs principally as sedimentary marine phosphorites.
- "In the tropics we use rock phosphate because it is cheaper," he said.
- Recently the term peak phosphorus has been coined, due to the limited occurrence of rock phosphate [1] in the world.
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