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CORD
Published by International Coconut Community
ISSN : 02151162     EISSN : 27218856     DOI : 10.37833/cord
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Library & Information Science
Aims CORD aims to publish original research results and reviews on research and development. While encouraging those involved in research and developments to disseminate their finding it also assists policy makers and planners to be aware of the latest developments in the sector Scope CORD encompasses a broad range of research topics in animal sciences: seedlings and genetics, farming, harvesting, production, health, biotechnology, and production, socio-economic, and policy.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 5 Documents
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Search results for , issue "Vol 19 No 02 (2003): CORD" : 5 Documents clear
COCONUT LEAF NUTRIENT LEVELS OF BEARING DWARF VARIETIES AND PHYSIOLOGICAL CRITICAL AND ADEQUACY LEVELS IN CROP NUTRITION MANAGEMENT Severino S. Magat, PhD
International Coconut Community Journal Vol 19 No 02 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i02.371

Abstract

An analysis of the leaf nutrient concentrations data of bearing palms (grown in a suitable coastal ecosystem) of three coconut dwarf varieties [Malayan yellow dwarf(MLYD), Catigan green dwarf(CATGD) and Tacunan green dwarf(TACGD)] planted at the designed-genetic blocks of the Zamboanga Research Center, San Ramon, Zamboanga City (Western Mindanao, Philippines), covering the period 1995-1999, was conducted . The variability and trend of each leaf nutrient (N, P, K, Ca, Mg, Na, Cl, S and B) over the years was determined. The critical levels of leaf nutrients are estimated based on the average or normal values of the historical data. An initial general reference guide on the physiological leaf critical levels of dwarfs is presented, as follows (leaf #14, dry matter): 1.70% N: 0.125% P; 0.90% K; 0.38% Ca; 0.26% Mg; ; 0.12% Na, 0.37% Cl; 0.15% S; and 11 ppm B. The implications of knowing the adequacy and critical levels in leaves as an indicator of crop nutrition to optimize the yield potential of dwarf varieties of coconut are discussed.
EFFECT OF MINERAL NUTRITION ON NUT YIELD AND FRUIT COMPOSITION OF MATURE COCONUT PALMS IN THE COASTAL BELT OF WESTERN REGION OF GHANA - PRELIMINARY STUDIES E. Andoh-Mensah; X. Bonneau; B.N. Nuertey; S.K. Dery
International Coconut Community Journal Vol 19 No 02 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i02.372

Abstract

The nut yield and fruit composition of mature (30-40 years old) West African Tall coconut palms were evaluated in seven trials during the first three years (from June 2000 to May 2003) of implementation of a five-year fertilization schedule recommended to the Coconut Sector Development Project (CSDP) for the rehabilitation of old farms in the coastal belt of the Western Region of Ghana. The seven trials are located at Jeway Wharf, Takinta, Ellenda, Nawule, AB Bokazo, Anwia and Edwakpole. Three fertilizer treatments were applied between June 2000 and May 2003. The first two fertilizers were applied in June 2000 and May 2001 at the rate of 0.75kg urea and 2.5kg muriate of potash (MOP) per palm. For the third fertilization, 1 kg MOP only was applied per palm in May 2002. Fertilizer treatment did not affect nut yield in year one of fertilization. But in year two, the fertilized plots gained remarkably 27.7, 20.2, 19.4 and 14.9 nuts per palm at Jeway Wharf, Nawule, Ellenda and Takinta respectively. The remarkable nut gain was further boosted or sustained in year three except at Jeway wharf which lost 9.8 nuts per palm. In economic terms, Ellenda trial broke even on MOP fertilizer investment in year three while Jeway Wharf was close to breaking even. Takinta and Nawule trials made profits of 925 and 1,750 cedis (3.7 and 7 nuts) per palm respectively in year three. For Anwia, AB Bokazo and Edwakpole trials there was no yield response to MOP fertilizer due to P deficiency. Fertilizer treatment in the first two years of fertilization did not influence fruit composition.
INFLUENCE OF DRIP IRRIGATION ON GROWTH AND YIELD OF COD X WCT COCONUT (COCOS NUCIFERA L.) HYBRID R. Dhanapal; H. P. Maheswarappa; P. Subramanian; Ajay Kumar Upadhyay
International Coconut Community Journal Vol 19 No 02 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i02.373

Abstract

A field experiment on drip irrigation for Chowghat Orange Dwarf X West Coast Tall (COD X WCT) coconut hybrid was conducted in laterite soil at Central Plantation Crops Research Institute, Kasaragod (Kerala, India) to study the drip irrigation requirement and its influence on growth and yield. The treatments included were three levels of drip irrigation (at 33, 66 and 100% E0 daily), basin irrigation (100% E0) and rainfed control. The experimental results revealed that annual leaf production and leaf nutrient status of coconut palm was significantly higher in the irrigated treatments compared to the rainfed control. The female flower production and nut yield with 66 per cent of Eo was on par with 100 per cent of Eo through drip and 100 per cent of Eo through basin irrigation and significantly superior compared to drip irrigation at 33 per cent of E0 and rainfed control. Drip irrigation equal to 66 per cent of open pan evaporation (Eo) proved to be the economically efficient method of irrigation with water saving of 34 per cent compared to 100 per cent of Eo through basin and drip method.
LONG-TERM COCONUT LEAF PRUNING (CLP) EFFECTS ON CBFS: COCONUT-COFFEE AGROECOSYSTEM L.H. Canja; S.S. Magat; R.Z. Margate
International Coconut Community Journal Vol 19 No 02 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i02.374

Abstract

A long-term study on the response of ‘Laguna’ tall (LAGT) palms and coffee intercrop to coconut leaf pruning (CLP) was conducted at the PCA-Davao Research Center from 1993 to 2001 to determine the effect of coconut leaf pruning on the productivity of coconut + coffee cropping system. The coconut leaf pruning technique did not significantly affect the yield and nutrition of coconut in all the years of observation. However, lower number of nut and weight of copra per tree were observed on palms with CLP than those without CLP, but with a slight improvement in copra weight per nut. Likewise, CLP did not affect the coffee yield and leaf nutrient levels. Among the coffee varieties tested, the Excelsa had the highest green bean yield. The Robusta (Ivory Coast and Philippine strains) and Arabica had similar yield and crop nutritional status. While they had similar leaf N, K and B contents that were higher than that of Excelsa, they also had lower leaf levels of Ca, Cl and S. Coffee needs, 1,000-3,000 foot-candles of sunlight, which is within the available light transmission (1,750-4,050 foot-candles) under palms with and without CLP. Hence, CLP is not necessary anymore in coconut with coffee intercrop.
ON-FARM PRODUCTION AND PROCESSING OF SELECTED COCONUT SAP-BASED NATURAL AND NUTRITIOUS FOOD PRODUCTS FROM SCTNP SCHEME Millicent I. Secretaria; Raul M. Ebuna; Severino S. Magat, PhD
International Coconut Community Journal Vol 19 No 02 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i02.375

Abstract

The processing of coconut sap produced from the sequential coconut toddy and nut production (SCTNP) scheme was conducted at the Philippine Coconut Authority - Zamboanga Research Center, San Ramon, Zamboanga City from 1997 and 1999-2001 to determine their acceptability to local community members and evaluate their economic profitability. The processing of coconut sap into food products such as fresh sap beverage, coconut syrup, sugar and vinegar involves simple procedures at the farmer’s level. These sap-based food products proved to be highly acceptable in terms of their nutritional and economic values. They are rich in total solids, sugar (sucrose), protein, carbohydrates, phosphorus and amino acids. Coconut-sap sugar contains high amounts of essential elements such as N, P, K, Mg, Cl and S and micronutrients (B, Zn, Fe, Cu) compared to brown cane sugar and refined white sugar(almost without micronutrient). The production of sap beverage, syrup and vinegar showed higher farmer’s net income (PhP14,800 - 9,100/month) and return on investment-ROI (465%-380%) compared to sugar making (PhP 5,900/month, 278% ROI). On-farm production and processing of coconut sap-based food products have both social and economic advantages. This technology offers bigger opportunity for farmers to increase their income and generate employment especially to family members. Likewise, this product diversification scheme can promote multi-uses and competitiveness of the coconut palm.

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