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Title: | Effects of organic amendments on productivity and profitability of bell pepper-french beangarden pea system and on soil properties during transition to organic production. |
Other Titles: | Effects of organic amendments on productivity and profitability of bell pepper-french beangarden pea system and on soil properties during transition to organic production. |
Authors: | ICAR_CRIDA |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR_CRIDA |
Published/ Complete Date: | 2011 |
Project Code: | Not Available |
Keywords: | Bell pepper, economics, french bean, garden pea, organic farming, soil fertility, transition |
Publisher: | Gopinath KA |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | A transition period of at least 2 years is required for annual crops before the produce may be certified as organically grown. There is a need to better understand the various management options for a smooth transition from conventional to organic production. The purpose of this study was to evaluate the effects of different organic amendments and biofertilizers (BFs) on productivity and profitability of a bell pepper–french bean–garden pea system as well as soil fertility and enzymatic activities during conversion to organic production. For this, the following six treatments were established in fixed plots: composted farmyard manure (FYMC, T1); vermicompost (VC, T2); poultry manure (PM, T3) along with biofertilizers (BF) [Rhizobium/Azotobacter + phosphorus solubilizing bacteria (Pseudomonas striata)]; mix of three amendments (FYMC + PM + VC + BF, T4); integrated nutrient management (FYMC + NPK, T5); and unamended control (T6). The yields of bell pepper and french bean under organic nutrient management were markedly lower (25.2–45.9% and 29.5–46.2%, respectively) than with the integrated nutrient management (INM). Among the organic treatments, T4 and T1 produced greater yields of both bell pepper (27.96 Mg ha–1) and french bean (3.87 Mg ha–1) compared with other treatments. In garden pea, however, T4 gave the greatest pod yield (7.27 Mg ha–1) and was significantly superior to other treatments except T5 and T1. The latter treatment resulted in the lowest soil bulk density (1.19 Mg m–3) compared with other treatments. Similarly, soil organic C was significantly greater in all the treatments (1.21–1.30%) except T2 compared to T6 (1.06%). Plots under INM, however, had greater levels of available nitrogen–phosphorus–potassium (NPK) than those under organic amendments. T1 plots showed greater dehydrogenase and acid phosphatase activities compared with other treatments. However, T4 and T5 plots had greater activities of β-glucosidase and urease activities, respectively. The cost of cultivation was greater under organic nutrient management (except T2) compared with INM. The latter treatment gave greater gross margin and benefit/cost (B/C) ratio for all vegetables, except that T2 gave greater B/C ratio in garden pea compared with other treatments. We conclude that T1 and T4 were more suitable for enhancing the productivity of bell pepper–french bean–garden pea system, through improved soil properties, during transition to organic production. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Technical Report |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Communications in Soil Science and Plant Analysis |
NAAS Rating: | 6.77 |
Volume No.: | 42 |
Page Number: | 2572-2585. |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/32644 |
Appears in Collections: | NRM-CRIDA-Publication |
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