Crop establishment of legumes in rainfed lowland rice-based cropping systems

Rahmianna, AA, Adisarwanto, T, Kirchhof, G and So, HB (2000) Crop establishment of legumes in rainfed lowland rice-based cropping systems. Soil and Tillage Research, 56 1-2: 67-82. doi:10.1016/S0167-1987(00)00123-9


Author Rahmianna, AA
Adisarwanto, T
Kirchhof, G
So, HB
Title Crop establishment of legumes in rainfed lowland rice-based cropping systems
Journal name Soil and Tillage Research   Check publisher's open access policy
ISSN 0167-1987
Publication date 2000-01-01
Sub-type Article (original research)
DOI 10.1016/S0167-1987(00)00123-9
Open Access Status
Volume 56
Issue 1-2
Start page 67
End page 82
Total pages 16
Editor H.B. So and G. Kirchhof
Place of publication Amsterdam, The Netherlands
Publisher Elsevier
Language eng
Subject C1
300100 Soil and Water Sciences
620103 Rice
620108 Grain legumes
Abstract Poor crop establishment is one of the major limitations to the production of grain legumes after rice (Oryza sativa L.) in rainfed lowland lice-based cropping systems. The success of germination and emergence of mungbean (Vigna radiata (L.) Wilzek), soybean (Glycine max (L.) Merr) and peanut (Arachis hypogaea L.) planted in zero tilled (ZT), zero tilled combined with mulch application (ZTM) and tilled soils (T) were investigated in a crop establishment trial as a function of sowing delay. Sowing delay was used as a surrogate for soil-water content. This experiment was conducted under a rain-shelter to ensure continuous and progressive drying conditions. A dibbling trial using the same legumes was conducted concurrently and subjected to the: prevailing climatic conditions. Germination and emergence success rate of the traditional dibbling method was compared to dibbling incorporating depth control and seed cover. Both experiments were conducted towards the end of the 1994 rainy season in a Vertisol soil at Ngale and an Andosol soil at Jambegede, in East Java, Indonesia where the season gradually changes from wet to dry season. Mungbean emergence was 93-94% at Ngale and soybean emergence was 83-95% at Jambegede, both in the presence and absence of rain. Peanut emergence was low (50-69%) at both sites. In all three species at both sites, the percentage of seeds that failed to germinate was greater than seeds that failed to emerge, indicating that germination rather than emergence was limiting. Seed rot caused by fungal attack and poor imbibition associated with poor seed-soil contact (observed as intact seeds) were the main constraints for the success of germination of mungbean, soybean and peanut. Thr failure to emerge was mainly caused by seedling rot and the failure of hypocotyl and radicle to penetrate the hard soil, observed as a culling of the hypocotyl, Cultivation at Ngale on a Vertisol resulted in excessively cloddy soil, which in turn resulted in a significant decrease in germination and emergence. The application of straw mulch had little effect on the emergence of legumes on this soil, The use of depth control and application of seed-soil cover did not have a significant effect. Hence the traditional dibbling method where depth of planting ranged from 4 to 7 cm without seed cover was found to be appropriate for planting mungbean and soybean. Germination and emergence of peanut was improved with the application of soil cover and the dibbling stick had a spike added to the tip to assist the root to penetrate the hard compacted soil. (C) 2000 Elsevier Science B.V. All rights reserved.
Keyword Agriculture, Soil Science
Germination
Crop Establishment
Grain Legumes
Rainfed Lowland Rice
Soil Water Potential
Dibbling
Soils
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Agriculture and Food Sciences
 
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Created: Tue, 10 Jun 2008, 21:24:59 EST