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Although organic fertilizers are costlier than chemical fertilizers, the growth of the plants with organic fertilizers is more harmonious.
soil - is a combination of mineral and organic matter, water, and air-- that portion of the regolith that supports the growth of plants. (right from my text book)
The better type of pesticide is organic because it is natural and generally will harm plants less than chemical pesticides.
Vitamins would better be categorized as catalysts (to help chemical reactions in plants and animals). "Organic" has to do with whether it is carbon-based (at least in chemistry it does). Not sure what you mean by "Growth Factors"...
Good organic soil is best for most plants. But some plants prefer sand or rocky soil. Do some research to see what your plants prefer.
Both plants and human store energy in the form of organic compounds. The storage in plants generally differs in the nature of organic compounds. It is released through cellular respiration in both cases..
Volcanic ash is devoid of organic matter hence plant growth is not promoted in it. When plant debries get mixed with it and micro-organisms in the presence of moisture breakdown the organic matter into minerals, plant growth may be promoted in that case.
no answer 2. Well, soil is the organic layer in which plants can grow. The deserts are generally deficient in this, so no plants. Soil can be destroyed by desertification.
Not always, but generally, yes. Plants need sunlight for photosynthesis.
organic
Organic gardening is a very healthy way of growing plants. It is better for your health to eat organic vegetables because they are cleaner for your body. And generally compost is cheaper than fertilizer.
Generally, it does not do much at all to plants. If anything, because it is not something plants really recognize, it does either nothing or maybe stunts the growth of the plant by a small amount.