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您的检索式：作者名="David S.POWLSON"
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| 1 | Soil health— useful terminology for communication or meaningless concept? Or both?显示文摘What is soil health? It is not essential to have a degree in soil science in order to have a valid opinion on this. In a verygeneral sense, almost everybody has some impression of what is meant by a healthy soil, especially anyone whohas done any gardening or even looked after a potted plant on a windowsill. They will probably say it should have abeautiful crumbly structure, should hold water but not become waterlogged, and be teeming with life;provided thatlife does not include insects or pathogens that damage the plants. In a somewhat analogous way, the word“wellbeing” is used concerning the way individual humans feel about themselves and we will all have our own ideason what contributes to our personal wellbeing. It is likely to include being in good physical and mental health, beingadequately fed and being housed. However, social scientists have taken the idea further, developing indicators ofwellbeing and even using these to compare the state of wellbeing in different countries and assess the impact ofpolicies on the way people feel. Some may consider that this is taking the “wellbeing” concept too far With soilhealth, perhaps soil scientists make it too complicated. However, although anyone may have a general idea of whatmakes a healthy soil, if the term is to be used in anything other than general informal conversation, we do need to Kdiga little deeper', if readers will excuse the pun. | David S.POWLSON | 2020 | Frontiers of Agricultural Science and Engineering2020，7，3： | 1 |
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