다른 사람들의 의견 - 서평 쓰기
서평을 찾을 수 없습니다.
Mostafa K Tolba
Estimate of Wastelands in India
LandUtilisation Mapping to Estimate
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adopted affected afforestation agencies agricultural alkali soils annual application arid zone barren benefits caused cent Class classification conservation considered Corporation cost cover crops cultivation degraded Delhi Department depth distribution districts economic erosion established estimated extent factors fallows farmers fertility field fodder forest forestry fuelwood Government gravelly grazing growing gypsum hectares improved Income increase India industrial Institute irrigation land land-use major measures methods million hectares nature necessary needs Output planning plant plantation poor potential practices Pradesh present Price problem production programme projects proper Punjab rainfall raising Rajasthan reclamation region Report Research returns root rural salinity salt sand dunes sandy season social species strategies structure suitability surface survey Table taken tion treatment trees types Unit utilization various vegetation village waste wastelands wind yield