WebJan 23, 2016 · In general, black soils of uplands are of low fertility while those in the valleys are very fertile. The black soil is highly retentive of moisture. It swells greatly on accumulating moisture. Strenuous effort is … WebThey are deficient in potash, nitrogen and organic matter. The black soils of Karnataka are fine-textured with varying salt concentration. The soils are generally rich in lime and magnesia. The intensively cultivated tracts where adequate rainfall occurs are most suitable for cotton, wheat and jowar.

MCQ Questions for Class 10 Social Science Resource and

WebApr 4, 2024 · 👉they are rich in potash but poor in phosphorus. ... 5- anather name for 'regur soil' is - black soil. 6- regur soil is most widespread in - maharastara. 7- which of the soils of india has been formed due to weathering of basaltic lava-regur soils . WebApr 21, 2024 · Mature soil. High water retaining capacity. Swells and will become sticky when wet and shrink when dried. Self-ploughing is a characteristic of the black soil as it develops wide cracks when dried. … meyers department store watford city

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WebA deficiency of potassium can have a large effect on the overall water-related efficiency of the plant, and makes it more susceptible to drought stress. Essential for photosynthesis. Potassium deficiency can depress … WebThe symptoms of potassium deficiency are reduced growth, yellowing of old leaves, weak roots, small stems, defoliation, and low resistance to extreme temperatures and drought. In addition to looking out for the … WebSep 22, 2015 · One additional consideration with K deficiency is that compaction can often result in K deficiency, even in a soil testing optimum or higher. A soil test should be taken to make sure the problem is low soil K before topdressing in these situations. ... The optimum level of potash is 2-3.3% of the soil cation exchange capacity (CEC) and thus … meyers davis calgary