Effect of cowdung and humic acid on growth and yield of vegetable soybean
1992
Kaewjai Paoin
Vegetable soybean cv. AGS 292 was grown during 15 November, 1991-19 January, 1992 at Tropical Vegetable Research and Development Center's field, Kasetsart University, Kamphaengsaen Campus Nakorn Prathom province. Randomized complete block design with 5 treatments, 4 replications was used. The treatments were humic acid at the rate of 0, 4, 8, 16 /rai and cowdung 2 ton/rai. Cowdung and humic acid had no effect on plant height, node number, survival rate, day to flowering and total pod yield of vegetable soybean. However, cowdung had tendency to give marketable yield similar to humic acid at 4-8 /rai and was also higher than non-organic manure supplied treatment.
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