By K.P. Prabhakaran Nair
Often called the "King" of spices, black pepper (Piper nigrum L.) and the "Queen" of spices, cardamom (Elettaria cardamomum M.), either perennial vegetation of the tropics, are crucial and most generally wanted spice vegetation of the area. They either have many makes use of, for instance, either are used as flavourings and as a medication. This booklet presents a accomplished assessment of those extremely important spice plants, covering starting place, heritage, geographical distribution, construction, economic climate and their makes use of. Discusses the 2 significant spices of serious financial worth to the constructing global. the writer is an eminent scientist who has gained quite a few awards for his paintings during this area. Read more...
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Extra resources for Agronomy and economy of black pepper and cardamom
Pinnata, and Ailanthus spp. In homestead plantations, coconut and arecanut trees act as the main crop in addition to being the standards. In the southern state of Karnataka, pepper is grown along with coffee, where coffee is the main crop and the forest trees act as the standards. Glyricidia is the most common standard in Sri Lanka and Malaysia. Pepper planting should precede the onset of monsoon. Two or three 3-noded rooted cuttings, prepared as explained earlier, are planted in shallow pits on the northern side of the standard.
Hence, if an effective soil-testing procedure is to be devised for a nutrient, which is an alternative to defining the plant root’s chemical environment, one must resolve the problems of quantifying the nutrient concentration on the root surface indirectly, even if it is impossible to resolve it directly, for the reasons mentioned earlier. 2) where F is the flux, dC/dx is the concentration gradient across a particular section, and D is the diffusion coefficient. Nye (1979) has suggested that the formula can be applied to both ions and molecules.
The PVC bags are placed in a cool place and covered with a light PVC sheet (200 gage) to retain high internal humidity. Buds start to develop in about 3 weeks’ time, and then the PVC bags can be shifted to a place with shade. Regenerated shoots from the stumps can be trained as before, which permits the production of a continuous stream of rooted cuttings as planting material. Four harvests are possible in 1 year, with a multiplication ratio of 1:40. A prolific root system develops, and field establishment is very good.