What is the value of Van Bemmelen factor?
वैन बेमेलेन फैक्टर का मान क्या है?
The insoluble portion of soil humus after extraction with dilute alkali is -
मृदा ह्यूमस का तनु क्षार के साथ निष्कर्षण के बाद अघुलनशील भाग कौनसा है?
Total acidity of humic acid (cmol (p+) kg-1) ranges from -
ह्यूमिक एसिड की कुल अम्लता (cmol (p+) kg⁻¹) कितनी होती है -
History, Culture & Heritage of Rajasthan
9 Topics
Visual Art: Architecture, Sculpture & Paintings
Social Life: Fairs, Festivals, Customs, Attire & Ornaments
Age of Rajputs
Performing Arts: Music, Dance & Drama
Religious Cults, Saints & Folk Deities
Language, Dialects & Literature of Rajasthan
Pre & Early History of Rajasthan
Emergence of Modern Rajasthan & Freedom Struggle
Integration of Rajasthan
Geography, Natural Resources & Socio-Economic Development of Rajasthan
7 TopicsSoil Physical Chemistry, Colloids & Organic Matter
6 Topics
Diffuse Double Layer & Electrokinetic Properties of Colloids
Soil Organic Matter Fractionation & Clay-Organic Interactions
Active
Soil Colloids & Origin of Charge
Elemental Composition of Earth's Crust and Soils
Adsorption and Desorption Properties of Soil Colloids
Soil Physical Chemistry & Chemical Thermodynamics
Ion Exchange, Soil Reaction, Nutrient Fixation & Submerged Soils
6 TopicsSoil Mineralogy & Clay Minerals
2 TopicsPedology, Weathering & Soil Classification
3 TopicsSoil Survey, Land Evaluation & Remote Sensing/GIS
4 TopicsSoil Physics & Soil Moisture Management
3 TopicsSoil Fertility, Plant Nutrients & Fertilizer Technology
4 TopicsAnalytical Instruments, Soil Testing, INM & Soil Health
4 TopicsSoil Microbiology, Biochemistry & Organic Manures
4 TopicsProblematic Soils, Poor Quality Water & Watershed Management
3 TopicsAgricultural Pollution & Remediation
1 TopicVolumetric & Analytical Chemistry
2 TopicsAdvanced Soil & Plant Chemical Analysis
3 TopicsRadioisotopes & Nuclear Techniques in Soil Science
2 Topics
Official PYQ Papers
Previous Year Papers of Agriculture Chemistry
Practice official shift-wise question papers with answer keys and detailed explanations on the actual exam pattern.
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Previous Papers
2024
20-10-2024
RPSC Agriculture Dept. Exam 2024 (Paper 1 - General Knowledge)
2024
25-06-2024
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2024
2022
03-09-2022
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
2020
24-11-2020
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2020
2011
19-06-2011