Effect of phosphorus on N2-fixation as measured by the field acetylene reduction technique in Thailand long-term fertility plots
Cholitkul, W, Tangcham, B, Sangtong, P. (Department of Agriculture, Bangkhen, Bangkok (Thailand)), Watanabe, I
Published in Soil science and plant nutrition (Tokyo) (01.06.1980)
Published in Soil science and plant nutrition (Tokyo) (01.06.1980)
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Journal Article
Nitrogen uptake by deepwater rice during the pre-flood and flooded phases, in relation to dry-matter and grain production
Puckridge, D.W. (International Rice Research Inst., Bangkok (Thailand)), Wiengweera, A, Thongbai, P, Sangtong, P, Sattarasart, A, Kongchum, M, Runtan, S
Published in Field crops research (1991)
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Published in Field crops research (1991)
Journal Article
Behavior of phosphorus in paddy soils of Thailand, 1: Contents of inorganic, organic, and available soil P in relation to rice plant P-nutrition
Uwasawa, M. (National Grassland Research Inst., Nishinasuno, Tochigi (Japan)), Sangtong, P, Cholitkul, W
Published in Soil science and plant nutrition (Tokyo) (01.03.1988)
Published in Soil science and plant nutrition (Tokyo) (01.03.1988)
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Journal Article
Behavior of phosphorus in paddy soils of Thailand, 2: Fate of phosphorus during rice cultivation in some representative soils
Uwasawa, M. (National Grassland Research Inst., Nishinasuno, Tochigi (Japan)), Sangtong, P, Cholitkul, W
Published in Soil science and plant nutrition (Tokyo) (01.06.1988)
Published in Soil science and plant nutrition (Tokyo) (01.06.1988)
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Journal Article
Use of phosphate rock for arable food crop production in Thailand
Sangtong, P, Wajanawat, V, Cholitkul, W. (Department of Agriculture, Bangkok, Thailand (Thailand))
Year of Publication 1992
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Year of Publication 1992
Conference Proceeding