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Mitscherlich in 1909 developed an equation relating growth with the supply of plant nutrients.. It is mathematically expressed as : log (A-Y)=log A-Cb
Spongilla is the common example which belongs to……………….Phylum of Animal Kingdom.
Some weeds seeds have similar shape, size and sometimes weight as that of crop seeds, these types of weeds are called_____
Relatively more hygroscopic fertilizer is:
Which of the following order of insects has maximum number of parasitoides?
Among the following, where is the International Potato Center is located ?
Trashing, Arrowing and Ratooning are common practices in
Unit less measure of dispersion is
Which among the following can be classified as often cross pollinated species?
Bean common mosaic disease is caused by
Barberry bush is the alternate host of _______