Fertile soil has lots of humus why class 9
WebFertile soil has lots of humus. Why Best Answer Fertile soils are rich in organisms that decomposes dead organic matter forming humus. Humus gives minerals, absorbs … WebFertile soil possess lots of humus because (i) Humus is required for binding soil particles into crumbs. Crumbs formation is needed for both hydration and aeration of soil. (ii) …
Fertile soil has lots of humus why class 9
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WebJun 13, 2024 · NCERT Important Questions Class 9 Science biology Chapter 14 Important NCERT Extra Questions Chapter 14 Natural Resources NCERT Book Extra Questions … WebSome soils hold more __________ than other soils and has more _________ too. Different soils are found in different parts of the ___________. Some places the soil has a lot of clay. other places the soil is very sandy. Plants grow well in this kind of soil with clay, sand, and humus. Soil layers can be thick or thin.
WebFertile soils are rich in organisms that decompose dead organic matter and form humus. Humus provides minerals, absorbs water and makes soil porous with water and air penetrated deep inside the soil. Humus makes the soil fertile. WebMar 17, 2024 · As the clayey soil drains very slowly, it takes longer time to get warmed in the summer and it makes the soil dry and crackly during the summers. Clayey soil is very fertile and has a high amount of humus in it as humus can easily mix with clay. Thus the correct option is (C) Clayey soil. Additional Information: Sandy soil is very light and dry.
WebJun 23, 2024 · Here we have given NCERT Exemplar Class 9 Science Solutions Chapter 14 Natural Resources. ... Fertile soil has lots of humus Why? Solution: Soil is said to be fertile when it is able to sustain plant growth i.e., provide habitat to plants and result in constant yields of high quality. A fertile soil is rich in nutrients necessary for basic ... WebOct 21, 2011 · Humus soils have lots of nutrients for plants. Adding humus to infertile soil increases its fertility. 32. Loam is a mixture of clay, silt, sand and humus and is the best soil for growing plants. Because loam is a mixture of four kinds of soil, it holds the proper amount of water and provides all the nutrients plants need.
WebJan 19, 2024 · Why? Solution. The fertile soil has lots of microorganisms which decompose dead and organic matter and convert then to humus. Humus provides nutrients, absorbs water and makes the soil porous. Earthworms feed on the humus and increase its fertility. Humus causes the soil to become more porous and allows water …
WebJun 20, 2024 · From the NCERT Exemplar Class 9 Science Unit 14, candidates can understand the level and type of questions that are asked in the exam. NCERT Exemplar Class 9 Science Unit 14 Natural Resources. ... Fertile soil has lots of humus. Why? Why step farming is common in hills? Why are root nodules useful for the plants? Long … dj\\u0027s ludlow vermontWebJan 18, 2024 · Humus is a black material formed by the decompostion of dead animals and plants . Its gets deposited as a layer over the soil. ... Fertile soil has lots of humus. Why? asked Oct 7, 2024 in Biology by Chendrayan (49.8k points) class-9; natural-resources; 0 votes. ... Students (upto class 10+2) preparing for All Government Exams, CBSE Board … dj\\u0027s pet groomingWebOct 7, 2024 · 1 Answer. Fertile soil contains sufficient amount of humus because (i) Humus is required for binding soil particles into crumbs. Crumb formation helps in both hydration and aeration of soil. (ii) Humus makes the soil porous for easy passage of plant roots (iii) Humus is a source of mineral. (iv) Humus contains chemical that promote … dj\\u0027s mart