Field Notebook: Russia 1975
Page 48
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Transcription
Protection of plants Optimal nourishment Agrotech . machines Study of soil & physics of plants Application of isotopes Reclamation of old lands Protection of Citrus from crit temp. Research on mechanization & automation . Work land only step does not allow machines About 400 people 3 brands Agri Comprehensive Station Covering all of the subtropical area. Rainfall 600 - 700 mm. 2200 - 2500 mm / year Increase in yield been 25% In the Amazonian Zone 800 - 600 mm. Watering one. yields 500% Brazil produces 95% of Rubber for 75% of subtropical area & for