Effect of Amount of Nitrogen Fertilizer on Early Growth of Leafy Vegetables in Thailand
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Accession number;06A0819029
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| Title;Effect of Amount of Nitrogen Fertilizer on Early Growth of Leafy Vegetables in Thailand |
| Author;
SUPHACHAI AMKHA
(Chiba Univ.)
TAKAGAKI MICHIKO
(Chiba Univ.)
CHAIREAG SAGWANSUPYAKORN
(Kasetsart Univ., Tha)
SUTEVEE SUKPRAKAN
(Kasetsart Univ., Tha)
INUBUSHI KAZUYUKI
(Chiba Univ.)
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Journal Title;Nettai Nogyo
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Journal Code:F0874A
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ISSN:0021-5260
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VOL.50;NO.3;PAGE.127-132(2006)
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| Figure&Table&Reference;FIG.1, TBL.5, REF.23 |
| Pub. Country;Japan |
| Language;English |
| Abstract;The optimum rate of fertilizer application and harvest date for the production of three leafy vegetables were investigated in a nylon net house (16 meshes) from October to December at the Tropical Vegetable Research Center (TVRC), Kasetsart University, Kampaengsaen Campus, Nakhonpathom, Thailand. Three kinds of leafy vegetables were used: 1) Kale (Brassica oleracea var. alboglabra), 2) Pakchoi (Brassica napa var. chinensis) and 3) Green petiole (Brassica chinensis var. chinensis). The experiment enabled to determine the effects of nitrogen application on the growth and nitrogen use efficiency of leafy vegetables. The three leafy vegetables were grown at 4 levels of nitrogen fertilizer (156, 312, 468 and 625kg ha'-1'). For Kale, pakchoi and green petiole, the fertilizer efficiency was best at the nitrogen fertilizer rate of 156kg ha'-1'. The optimum harvest time was 35 DAS for kale and pakchoi, and 28 DAS for green petiole. (author abst.) |
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