Not all plant problems are caused by insects or diseases. Sometimes an unhealthy plant is suffering from a nutrient deficiency or even too much of any one nutrient. Plants require a mix of nutrients to remain healthy. Nutrients that are needed in relatively large amounts are called the macronutrients and phosphorus (P) is one of the essential macronutrients required by plants [4]. It plays a role in photosynthesis, respiration, seed and fruit production, energy production, storage, transfer, cell division and enlargement. Adequate supply of P promotes or enhances early root formation and better growth of plants, water use efficiency, while early maturation of fruit and grain has been observed in cold temperate regions [4]. The biological function of P in living organisms is most notable in the ubiquitous ATP/ADP energy transport and storage compounds [2]. It is obvious that without DNA plants cannot reproduce, which means that they cannot produce the seed and fruit that people harvest from many crops.
Website: http://www.arjonline.org/agricultural-sciences/american-research-journal-of-agriculture/
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