Effects of Leucaena leucocephala leaf bio-extract, chicken manure, and chemical fertilizer on growth and yield of sweet corn
รหัสดีโอไอ
Creator Paiboon Muymas
Title Effects of Leucaena leucocephala leaf bio-extract, chicken manure, and chemical fertilizer on growth and yield of sweet corn
Contributor Kumpol Palaaud, Saranyoo Posoro, Waraporn Mapet, Warunya Wanprommin, Yaowares Chusiri, Narong Kotchabhakdi
Publisher Faculty of Agriculture
Publication Year 2568
Journal Title Khon Kaen Agriculture Journal
Journal Vol. 53
Journal No. 5
Page no. 974-987
Keyword Leucaena leucocephala leaf bio-extract, chicken manure, chemical fertilizer, sweet corn
URL Website https://li01.tci-thaijo.org/index.php/agkasetkaj
Website title Khon Kaen Agriculture Journal
ISSN 3027-6497 (Online)
Abstract Leucaena leucocephala leaf bio-extract and chicken manure rice with husk are rich in nutrients beneficial to plants. If it is used in agriculture or as a substitute for chemical fertilizers, it may help bring about yield improvement and reduce the production cost of sweet corn. This research aimed to study the effects of Leucaena leucocephala leaf bio-extract (LB), chicken manure mixed with rice husk, and chemical fertilizer on the growth, yield quantity, and quality of sweet corns. The completely randomized resign design (CRD) under greenhouse condition comprised Treatment 1: no fertilizer applied (T1: control), Treatment 2: top dressing with chemical fertilizer at 50 kg/rai (T2: Formula 15-15-15 at 50 kg/rai followed by Formula 8-24-24 at 50kg/rai), Treatment 3: the application of chemical fertilizer as in T2 along with LB spraying (diluted at a ratio of 60 mL/1 L of water) at a volume of 1 L/plant (T3), Treatment 4: LB spraying applied solely at 60 mL/1 L of water at a volume of 1 L/plant (T4), and Treatment 5: top dressing with chicken manure mixed with rice husk applied solely at 500 kg/rai (T5). Results showed that T3 plants exhibited the highest figures of leaf count, leaf width, leaf length, ear count, fresh weight with husk, fresh weight without husk and number of seeds/ear. The highest seed sweetness levels were observed in T3 and T5, whereas the stem heights, ear diameters, and seed counts of T3 and T5 were not significantly different from those of T2. Therefore, this research showed that the substitution of chemical fertilizer with chicken manure mixed with rice husk not only resulted in a comparable yield but also improved the corn sweetness. The application of LB in conjunction with chemical fertilizer yielded corns with comparable sweetness levels to those of corns grown with chicken manure/rice husk top dressing. However, the LB spraying also led to the increase in ear count and ear fresh weights.
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