spss bivariate analysis univariate analysis cell physiology variables crop physiology imo em botanical scientific article cooperation agroecology agriculture environment ecological intensification sustainable agriculture conservation climate smart agriculture climate change global warming multivariate analysis linear regression binary logistic regression multiple response test of outliers in spss normality test variable view data view windows of spss dataset statistics growth analysis plant growth regulators physiology of flowering growth and development source sink pathway respiration photosynthesis foliar nitition mineral salt absorption ascent of sap water absorption bioenergetics introduction interval ratio oedinal nominal transformation merge identification high value nepal medicinal plants
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