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Soil Science

Weathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials?

Weathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials?

A. Disintegrate
B. Disentigrate
C. Decompose
D. Both a & c

Weathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials? Read More »

Agriculture Mcqs, Soil Science

The diagnostic techniques used in evaluating soil nutrient status and determining fertilizer requirements of the crop include:

The diagnostic techniques used in evaluating soil nutrient status and determining fertilizer requirements of the crop include:

A. Nutrient deficiency symptoms & field experimentation
B. Greenhouse pot experimentation & soil testing
C. Plant analysis
D. All of the above

The diagnostic techniques used in evaluating soil nutrient status and determining fertilizer requirements of the crop include: Read More »

Agriculture Mcqs, Soil Science

The major soil fertility problems in Pakistani soils deficiencies of N, P and Zn. Deficiencies K, Fe, and B also occur in specific crop genotypes or soil types, while deficiencies of S, Cu, and Mn are negligible. however, the common nutrient deficiencies are_________________: and some micronutrients including Mo?

The major soil fertility problems in Pakistani soils deficiencies of N, P and Zn. Deficiencies K, Fe, and B also occur in specific crop genotypes or soil types, while deficiencies of S, Cu, and Mn are negligible. however, the common nutrient deficiencies are_________________: and some micronutrients including Mo?

A. N, P, K
B. Ca, Mg, S
C. both A & B
D. The above statement is wrong

The major soil fertility problems in Pakistani soils deficiencies of N, P and Zn. Deficiencies K, Fe, and B also occur in specific crop genotypes or soil types, while deficiencies of S, Cu, and Mn are negligible. however, the common nutrient deficiencies are_________________: and some micronutrients including Mo? Read More »

Agriculture Mcqs, Soil Science

According to a latest research, Pakistan is predominantly a dryland country; 80% of its land area is arid and semi arid, 12% sub-humid and 8% under humid climate. Thus , soils of arid & semi-arid regions are vulnerable to a wide range of degradation process. As the case in arid and semi-arid climates elsewhere in south-central/southern Asia and Sub-Saharan Africa; _________________ are among the major causes of soil degradation and desertification?

According to a latest research, Pakistan is predominantly a dryland country; 80% of its land area is arid and semi arid, 12% sub-humid and 8% under humid climate. Thus , soils of arid & semi-arid regions are vulnerable to a wide range of degradation process. As the case in arid and semi-arid climates elsewhere in south-central/southern Asia and Sub-Saharan Africa; _________________ are among the major causes of soil degradation and desertification?

A. Drought stress
B. Accelerated erosion & salinization
C. Depletion of soil fertility and SOM
D. All of the above

According to a latest research, Pakistan is predominantly a dryland country; 80% of its land area is arid and semi arid, 12% sub-humid and 8% under humid climate. Thus , soils of arid & semi-arid regions are vulnerable to a wide range of degradation process. As the case in arid and semi-arid climates elsewhere in south-central/southern Asia and Sub-Saharan Africa; _________________ are among the major causes of soil degradation and desertification? Read More »

Agriculture Mcqs, Soil Science

Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)?

Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)?

A. Additions, losses
B. Transfers and transformations
C. both A and B
D. None of the above

Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)? Read More »

Agriculture Mcqs, Soil Science