Q37: Which of the following group represents active soil forming factors? - Soil Science & Agricultural Chemistry - RPSC Assistant Agriculture Officer 2024

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RPSC Assistant Agriculture Officer 2024

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Which of the following group represents active soil forming factors?

निम्नलिखित में से कौनसा समूह सक्रिय मृदा निर्माण कारकों (Active soil forming factors) का प्रतिनिधित्व करता है?

Parent Material and Time मूल सामग्री तथा समय Parent Material and Topography मूल सामग्री तथा स्थलाकृति Topography and Time स्थलाकृति तथा समय Biosphere and Climate जैवमंडल तथा जलवायु

In Hans Jenny's fundamental equation of soil forming factors ($S = f(cl, o, r, p, t)$), factors are categorized into active and passive agents.
Active factors supply mass and energy that directly act upon the parent rock to drive soil development: Climate ($cl$) and Organisms / Biosphere ($o$).
Passive factors represent the mass or physical template that is acted upon: Parent Material ($p$), Relief / Topography ($r$), and Time ($t$).
Therefore, Biosphere (vegetation/microbes/fauna) and Climate represent the active soil forming factors.

हैंस जेनी (Hans Jenny, 1941) के मृदा निर्माण समीकरण ($S = f(cl, o, r, p, t)$) के अनुसार मृदा निर्माण कारकों को दो श्रेणियों में बांटा गया है: सक्रिय और निष्क्रिय।
सक्रिय कारक (Active factors) वे हैं जो मृदा निर्माण हेतु ऊर्जा और गतिकी प्रदान करते हैं: जलवायु (Climate) तथा जैवमंडल / जीव (Biosphere/Organisms)।
निष्क्रिय कारक (Passive factors) वे हैं जिन पर सक्रिय कारक कार्य करते हैं: मूल पदार्थ (Parent material), स्थलाकृति (Topography/Relief) तथा समय (Time)।
अतः जैवमंडल तथा जलवायु सक्रिय कारकों का प्रतिनिधित्व करते हैं।

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Q37: Which of the following group represents active soil forming factors? - Soil Science & Agricultural Chemistry - RPSC Assistant Agriculture Officer 2024 | Agrigyan

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