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what is deuterostome explain in briefphyla including the chordata and echinodermata which share common characteristics of blastopore-not forming the
define the term - soil heterogeneitythe ratings seem rather arbitrary and empirical but are meant to get a reasonable yield outputs for different
determine what is dermal branchiaeexternal extensions of outer epidermis and peritoneum of the echinoderm body cavity both outer epidermis and inner
describe the concept of soil testingdifferent grades of complex and mixed fertilizers are being marketed to suit the soil and crops of a region the
fertilizers and fertilizer management fertilizers in a broad sense include all materials that are added to soils to supply certain elements essential
advantages of fertilizers and manuresfertilizers and manures are necessary for maintaining the soil in a high state of fertility and productivity
management of soil productivitythe continuous prosperity and well being of the people of any nation is dependent upon several factors one of the most
calculation of maximum crop yield percent it was pointed out previously that 1 baule of any growth factor is equal in effect on growth to the effect
what is cuticlethe nonliving and noncellular outer layer of an organism secreted by underlying epidermis cuticles are common in a range of animals
express the term ctenethis unique locomotory structure is found in ctenophora and is made up of fused cilia arranged into flattened plates ctenes are
determine the maximum crop yield in determining maximum crop yield it was thought that a given plant let us say corn is only inherently capable of
what do you mean by crystalline stylea rodlike structure in some mollusc stomachs which is made of enzymatic proteins required for digestion cilia
what are the maximum crop yields mitscherlich conducted a large number of experiments with different plants making use of pots 20 cm in diameter
state cryptobiosis and explain the function of ita dormant or suspended state of animation which allows some animals to survive severe conditions
enumerate about the baule unit a mathematician from gottingen by the name of b baule assisted mitscherlich with his calculations the quantity
state the the amount of the nutrienton increasing the amount of the nutrient the yield increases and the decrease from the maximum ie a-y becomes
define conjugation in brief a form of sexual reproduction in ciliates ciliophora during conjugation two ciliate protozoans join and macronuclei
what do you understand by compound eyethe characteristic eye of the arthropoda it comprise many ommatidia the basic optical unit of compund eye
determine the working of law of diminishing returnaccording to the law of diminishing return the increase in the yield by a unit increase of the defi
law of diminishing return a german scientist mitscherlich calculated the effect of different quantities of various growth factors on the yield of
explain the theory of law of minimum this is one of the earliest hypotheses put forward by von liebig on the relationship between the
determine the concepts of soil fertility the soil fertility evaluation can be assessed by having an idea of the amount of nutrient which will be
state the terms complete alimentary tract complete digestive tract and complete guta digestive tract which has an anal and oral opening this
determine about the colloblast cellthe unique sticky discharge cells found in the tentacles of ctenophorans they are used to capture prey and
what do you understand by coelenteronthe name given to internal cavity of the cnidarians this is an incomplete gut with just one opening the mouth