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Leguminous crop grown under phosphate deficiency conditions may suffer from N deficiency as well. Explain.
Rhizobium bacteria infect the roots of leguminous plants and lead to the formation of root nodules. These organisms derive carbohydrates from root tissues of host plant and synthesise nitrogenous compounds to fix nitrogen. Rhizobium bacteria do not grow in soils deficient of phosphorus, which means that in case of phosphorous deficiency, there will be less infection in plant roots and thus lesser nodules and thereby lesser excretion of nitrogen compounds. This will result into a nitrogen deficient soil.
Effects of Soil Aeration Some soil pores are full of O 2 and/or CO 2 gas. These gases take part in the respiration of plants. We know that respiration involves the oxidatio
An aneroid barometer The corrugated rubber tube from a gas mask, or a cycle grip, can be used to make a model aneroid barometer. No huge accuracy is to be expected due to the m
Name 2 places on earth where continental glaciers exist: Antarctica And Greenland are the two place where continental glaciers exist:
Digestion in the Mouth The mouth receives food. The tongue serves in swallowing, manipulating the food for chewing and in perceiving taste. The teeth mechanically subdivide
Objectives After studying this unit, you should be able to: 1. Categorise different radiations into ionising and no ionising types, 2. Explain the effects of radiations
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State the harmul effects of Acidity of soil Acidity of soil may have harmful effects on plants due to the effect on enzymatic changes, reduced availability of nutrients like c
what is 698 to nearest 10ml
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The Copernican Revolution: It was right in the midst of these developments in the fifteenth century, that there came the first major break from the whole system of ancient thou
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