Economics and air layering

The by-products obtained from the coconut industry goes out as waste and pollute the environment, if not properly managed. In order to convert these by-products such as coir pith and coco peat into a natural organic resource, it is processed and utilized as an economical input in agriculture as well as in horticulture. Processed coir pith is used as an excellent soil amendment because of its favourable physical properties in maintaining soil health.

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The experiment was carried out to “Effect of NAA (foliar spray) and colour poly wrappers on rooting, survival and economics of air-layering of guava (Psidium guajava L.) cv. Gwalior 27” during the season of Kharif 2016-17 at the Horticulture nursery, Department of Horticulture, College of Agriculture, Rajmata Vijayaraje Scindia Krishi Vishwa Vidyalaya, Gwalior, (M.P.). Results revealed that significantly maximum rooting such as number of primary roots per layer (7.46) and secondary roots per layer (9.55), length of primary roots (8.07 cm) and secondary roots (9.

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The problems of smog formation are exacerbated by a meteorological phenomenon known as thermal inversion. Under normal atmospheric conditions, warm air in the vicinity of a large city is trapped by an overlayer of cool air. Since warm gases tend to rise, they normally diffuse upward and disperse the smog and other pollutants. A thermal inversion occurs when the upper layer is a layer of warm air, while the polluted air near the ground is relatively cool. In such a situation, the pollutant-laden cool air cannot rise and disperse.

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