Crop-production in India: A Critical Survey of Its Problems |
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acre aeration Agricultural Department alluvium amount areas Bengal Berar Bihar black soils Bombay Bull Burma Calcutta canal cane Central Provinces Chemical Series Clouston combined nitrogen cotton country crop crop-production cross-fertilization Dept difficulty disease distribution District drainage efficient export factors fertility fibre fixation fodder green-manure grown growth Howard important improved varieties increase India Botanical Series India Indian Science Indian cotton Indian Science Congress indigenous industry intensive cultivation investigation irrigation irrigation water Java Jour jute leguminous leguminous crops linseed lucerne Madras manure maunds means ment methods moisture natural needed nitrogen fixation nitrogen problem obtained oil-cake oil-seeds organic matter Orissa Oudh permeability possible production Punjab Pusa Pusa 12 Quetta rainfall Research Institute root-development root-system roots Science Congress Number seed seed-distribution seed-farms seedlings Shahjahanpur soil type soil-aeration subsoil sugar sugar-cane suitable supply surface-drainage texture tion tobacco tracts trade unit species United Provinces various wheat yield
Popular passages
Page 100 - After the monsoon, the sowing of wheat is regulated by the point reached in the gradual cooling of the seed bed. Towards harvest, the crop has to ripen under a rapidly ascending temperature when hot dry winds are frequent. At both ends, therefore, the growth period is temperature limited, a fact which not only restricts the choice of varieties to early maturing types, which grow rapidly, but also influences...
Page 13 - ... if I may so call them, thrown out from the tributary streams of great rivers into their richest and deepest soils. Declivities are formed, the soil gets nothing from the cultivator but the mechanical aid of the plough, and the more its surface is ploughed and cross-ploughed, the more of its substance is washed away towards the Bay of Bengal in the Ganges, or the Gulf of Cambay in the Nerbudda. In the districts of the Nerbudda, we often see these black hornblende mortars, in which sugar-canes...
Page 49 - It is a noteworthy fact that the excessive development of alkalies in India, as well as in Egypt and California, are the results of irrigation practices modern in their origin and modes, and instituted by people lacking in the traditions of the ancient irrigators, who had worked these same lands for thousands of years before.
Page 49 - California, are the result ot irrigation practices modern in their origin and modes and instituted by people lacking in the traditions of the ancient irrigators who had worked these same lands thousands of years before. The alkali lands of to-day, in their intense form, are of modern origin, due to practices which are evidently inadmissible and which in all probability were known to be so by the people whom our modern civilisation has supplanted.
Page 13 - I am disposed to think that the most productive parts of the surface of Bundelkhand, like that of some of the districts of the Nerbudda territories which repose upon the back of the sandstone of the Vindhya chain, is...
Page 49 - King concludes an interesting discussion of this question in the following words, which deserve the fullest consideration on the part of the irrigation authorities in India : ' It is a noteworthy fact that the excessive development of alkalies in India, as well as in Egypt and California, are the...
Page 46 - Their existence is in the majority of cases definitely traceable to climatic conditions alone. They are the natural result of a light rainfall, insufficient to leach out of the land the salts that always form in it by progressive weathering of the rock powder of which all soils largely consist.
Page 68 - The Improvement of Cotton Cultivation in the Central Provinces Studied from an Economic Point of View, Agr. Jour, of India (Indian Science Congress Number), XII, 1917, p.
Page 87 - No. 150. The Improvement of Fodder and Forage in India (Papers read before a Joint Meeting of the Sections of Agriculture and Botany, Indian Science Congress, Lucknow, 1923), edited by GABRIELI.E LC HOWARD, MA Price, As.
Page 134 - As. 6. No. 94. A Preliminary Note on the Behaviour in North India of the first batch of Sugarcane Seedlings distributed from the Sugarcane-breeding Station, Coimbatore. By TS VENKATRAMAN, BA As.