Technical Bulletin On Use of chemical and organic fertilizers
Résumé
India is an agriculture-driven economy where, population has already crossed one billion and is increasing at the rate of 14 -15 million per annum. National policies and program regarding agricultural activities are geared towards producing the entire food and fiber needs of this growing population within the country. It is one of the outcomes of this goal to remain self-sufficient in food grains, which has made India the third largest fertilizer using country. The art of agriculture in India dates back to prehistoric times. The use of dung as manure appears to have been practiced since the Rigvedic Age (Rig Veda 1, 161, 10, 2500-1500 B.C.). The value of green manures like sesamum appears to have been known in periods as far as back as 1,000 B.C., as references to the use of stalks and stems of sesamum as manure are found in Atharva Veda (II, 8.3). The practice of application of phosphatic fertilizers like bones dates back to about 300 B.C., while the value of excreta of goats and sheep was recognized in post-vedic age, i.e. between 500 B.C. to 500 A.D.
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