Download Agronomy and Economy of Black Pepper and Cardamom: The by K.P. Prabhakaran Nair PDF

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 crucial and most generally wanted spice vegetation of the realm. They either have many makes use of, for instance, either are used as flavourings and as a medicine.

This publication presents a finished overview of those extremely important spice plants, masking beginning, heritage, geographical distribution, creation, financial system and their uses.

  • Discusses the 2 significant spices of significant fiscal worth to the constructing world
  • The writer is an eminent scientist who has received various awards for his paintings during this area
  • Show description

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Additional resources for Agronomy and Economy of Black Pepper and Cardamom: The "King” and "Queen” of Spices

Example text

An effort in this direction was initiated recently by Nair (2002). But, before we dwell on it, it is only fair that an objective review is made of what has been done so far on the agronomy of black pepper. 1 The Pepper Soils Pepper easily grows in a variety of soils. De Waard (1969) reported that in Malaysia, pepper mostly grows on soils that are developed from slate or sandstone and even in soils of alluvial origin low in fertility. Pepper is seen to grow in Indonesia in all types of soils—ranging from fertile and friable volcanic soils to sticky clayey soils.

1993); Nybe and Nair (1987b) Iron Interveinal chlorosis in younger leaves, youngest leaves becoming totally chlorotic Chin et al. (1993); Nybe and Nair (1987b) Copper Interveinal chlorosis in younger leaves; necrosis on leaf tips and margins. Chin et al. (1993); Nybe and Nair (1987b) Boron Stunted growth, necrosis, and interveinal chlorosis. Necrotic lesions are seen on main vein. Chin et al. (1993); Nybe and Nair (1987c) Pillai et al. (1979), however, did not observe any positive response to lime application in a laterite soil growing Panniyur-1.

Using this approach, Shuman (1975) estimated the buffer power values varying from 5 to 100 for four soils representing different major physiographic regions of Georgia. Based on the diffusion model of Drew et al. (1969), Nair (1984) has argued that the C in the equation U  2παaC t—where, U is the quantity of zinc absorbed per centimeter root length, a is the root radius in cm, α is the root-absorbing power, C is the average zinc concentration on the root surface, and t is the duration of the absorption period—in fact represents an indirect measure of the zinc buffer power.

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