A. Depletion of soil nutrients (especially nitrogen and phosphorous)
B. Soil degradation due to absence of soil cover at certain times
C. Inadequate fuel and food supplies
D. All of the above
Related Mcqs:
- In dry farming initially the fertility of the land can be increased by:
A. Agrostology
B. Basin listing
C. Growing grazing fields
D. Animal husbandry - The most significant and initial requirement for dry farming is:
A. Shallow ploughing
B. Development of textures
C. Animal husbandry
D. Crop selection - All the non-cultivated plants and non-comesticated animals are referred to as:
A. Useless organism
B. Harmful life
C. Wild life
D. Enemies of man - Non-renewable environmental resources include various metals non-metalic minerals and
A. Coal
B. Natural gas
C. Oil
D. Fossil fuels - The major factors that make today’s ‘land-use crisis’ a global issue of greatest concern is:
A. The magnitude of the problem on terms of people and areas affected, which is unprecedented in history
B. The accelerating nature of the processes involved and the increasing irreversibility of their results
C. The lack of success (for socio-economic, cultural or ecological reasons) of most agriculture technologies from temperate regions to solve land-productivity problems over large areas of the topics
D. All of the above - The living steady state has a self-regulatory mechanism which is:
A. Feedback mechanism
B. Homeotherms
C. Homozygous
D. Homeostasis
E. Heterozygous - A slopy land on account of continued rainfall initially under goes:
A. Rill erosion
B. Gully erosion
C. Sheet erosion
D. All of these - Range land rehabilitation policies and measures are:
A. Policies: Develop system for effective periodic closure of range lands, to rehabilitate them and ensure sustainable livelihoods to range dwellers
B. Measures: Enforce existing land reform laws where absentee holdings of large tracts of range land are the impediment to proper management
C. Both (a) & (b)
D. None of these - Land in Koshistan is used for livestock grazing:
A. Dryland farming
B. Wildlife habitat
C. Both (a) & (b)
D. None of these - Vegetation of Trans-Himalayan grazing land can be divided into:
A. The foothill ranges
B. Dry temperate ranges
C. Valley depression grazing land
D. Alpine pastures
E. All of the above
The correct answer to the question: "The land use or farming system is perceived to be non-self sustaining because of:" is "All of the above".
