By K.P. Prabhakaran Nair
Known because 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 an important and most generally wanted spice plants of the area. They either have many makes use of, for instance, either are used as flavourings and as a medicine.
This booklet presents a finished evaluate of those vitally important spice plants, protecting foundation, historical past, geographical distribution, construction, financial system and their uses.
- Discusses the 2 significant spices of serious financial price to the constructing world
- The writer is an eminent scientist who has gained a variety of awards for his paintings during this area
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Extra resources for Agronomy and Economy of Black Pepper and Cardamom: The "King” and "Queen” of Spices
6) a single blanket dose, such as the one that is made, is totally unscientific because, where the farmer needs to apply only lesser quantities of zinc, he would end up applying more if he were to go by the routine recommendation based on the DTPA extraction. To elaborate, the soils from the Ambalavayal region would only require 25% of zinc needed in the soils of the Peruvannamuzhi region because the former has a zinc buffer power nearly fourfold more compared to the latter. In the case of the soils from the Thamarasseri region, the quantity required would only be 50%.
But it is now established that nearly 95% of this movement for nutrients such as phosphorus, potassium, and zinc (among heavy metals) and, possibly, NH+ 4 is by way of diffusion. When root uptake of an ion species is less than its movement toward it, accumulation of the ion species on the root surface is bound to occur, as has been shown to be the case with Ca2, where mass flow contributes to this accumulation (Barber, 1995). The diffusive path for ions such as phosphorus and potassium, which plant roots take up at high rates but which are in low concentration in the soil solution near the root, is the concentration gradient.
These are the areas that deserve thorough scientific scrutiny before value judgment can be made on the suitability or otherwise of growing companion crops with the main crop of pepper. 6 shows a field view of an Indian pepper plantation. 2 The Indonesian Experience Within Asia, next to India, Indonesia is the major pepper grower. Pepper was the first spice Indonesia traded with Europe through Persia and Arabia and prior to World War II, 80% of world production was controlled by Indonesia. It was the Japanese occupation during the war that left many pepper plantations uncared for, with the resulting decline in production.