Wastelands: Diagnosis and TreatmentConcept Publishing Company, 1987 - 249페이지 With reference to India; contributed papers. |
도서 본문에서
57개의 결과 중 1 - 3개
27 페이지
... problem of salinity and alkalinity . While some problems like ravines are restrictively located , others like drainage problem are widely distributed across the country . It will not be an exaggeration to state that the problem of ...
... problem of salinity and alkalinity . While some problems like ravines are restrictively located , others like drainage problem are widely distributed across the country . It will not be an exaggeration to state that the problem of ...
29 페이지
... problem area . in the second step , area under specific problem category has been estimated and added to the area calculated in the first step to arrive at a figure of 175 million hectares . The error in this estimate is obviously on ...
... problem area . in the second step , area under specific problem category has been estimated and added to the area calculated in the first step to arrive at a figure of 175 million hectares . The error in this estimate is obviously on ...
31 페이지
... problems in proper estimation of the extent of wastelands arises in establishing one to one correspondence be- tween the problem - categories and land - use categories . As a first step in eliminating this problem all the problems ...
... problems in proper estimation of the extent of wastelands arises in establishing one to one correspondence be- tween the problem - categories and land - use categories . As a first step in eliminating this problem all the problems ...
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자주 나오는 단어 및 구문
Abrol Acacia afforestation alkali soils arid zone banjar land Barmer barren benefit-cost ratio Bikaner bunding cent cost crops culturable waste current fallows degraded forests Delhi depth districts economic environmental eroded estimated Eucalyptus Eucalyptus tereticornis farmers fertility fuelwood fulvus gravelly grazing Gujarat gullies gypsum Haryana hectares increase India irrigation Jaisalmer Jodhpur Karnal land reclamation land-use category loam Maharashtra mandays mandays per hectare million hectares moisture nilotica paddy pasture planning plantation Pradesh present Price per Unit problem programme projects Punjab Pyrites rainfall Rajasthan reclamation of alkali region Residual Income Rs/ha rural salinity and alkalinity salt affected soils sand dunes sandy shifting cultivation Singh sissoo social forestry sodic soils Soil Salinity species strategies suitability classification Sultanpur District surface survey Table tereticornis tion tonnes Total trees uncultivated utilisation Uttar Pradesh vegetation village wasteland types Wastelands Development wastelands reclamation water erosion Western Rajasthan wheat wind erosion Yadav yield