Dibble Sticks, Donkeys, and Diesels: Machines in Crop Production
Human and animal power; Mechanical power; Agricultural production systems; Tillage; Planting; Fertilization; Weed control; Insect and predator control; Harvesting; Grain drying and storage; Transport; Social consequences; Machinery economics.
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Agricultural Engineers airflow animal-drawn axle baler bales blade bottom bullocks camel cassava chisel plow combine coulter crop cultivation cylinder depth diameter disc disk disk plow draft animals drawbar drive droplets dryer equipped farm tractor farmer fertilizer fiber field fixed cost flail forage harvester fuel furrow grain harness herbicides horse horsepower implement km/h load machine maize manure mechanization meter moisture moldboard plow mounted move mower operator pedestrian tractor Philippines planter planting polyculture potato power harrow produce pull rear repair cost ricefield rotary tiller rotation rotor seed seedbed seedlings self-propelled sheaves shifting cultivation single-axle soil speed spray sprayer spreaders steel storage straw surface Table temperature three-point hitch thresher threshing tillage tines tires tool traction transplanting tubers two-stroke cycle typical unit usually water buffalo weeds weight wheel width windrow yoke
Page 81 - For everything there is a season, and a time for every matter under heaven : a time to be born, and a time to die; a time to plant, and a time to pluck up what is planted; a time to kill, and a time to heal; a time to break down, and a time to build up; a time to weep, and a time to laugh; a time to mourn, and a time to dance...
Page 246 - Consultant, (New York State College of Agriculture and Life Sciences, Cornell University, Ithaca, New York...
Page 6 - The quantity of heat required to raise the temperature of 1 lb of water 1 °F.
Page 6 - It is equal to 0-252 kg.-cal. A kg.-cal. or 'great calorie' is the quantity of heat required to raise 1 kg. of water 1° C. A ' therm
Page 88 - Pages 15-24 in Irrigation policy and management in Southeast Asia. International Rice Research Institute, PO Box 933, Manila, Philippines.
Page 77 - Among others, multiple cropping means the growing of more than one crop on the same land in one year; intercropping refers to growing two or more crops in rows simultaneously in the same area.
Page 317 - The Introduction of Farm Machinery in Its Relation to the Productivity of Labor in the Agriculture of the United States during the Nineteenth Century, University of California Press, Berkeley, (Publications in Economics, Vol. IX) 1931, esp. pp. 33-34, 47, 72-80, 165-166, 196, 201. 10 Quoted in C. Danhof, "Agriculture," in HF Williamson (ed.), The Growth of the American Economy, (Second Edition), Prentice-Hall, Inc., New York, 1951, p.
Page 88 - Willcocks, TJ, 1984. Tillage requirements in relation to soil type in semi-arid rainfed agriculture. J. Agric. Engng Res., 30: 327-336. Willcocks, TJ, 1987. Avenues for the improvement of cultural practices on Vertisols. Proceedings Workshop "Management of Vertisols under semi-arid conditions".