IDENTIFYING FACTORS LIMITING PEANUT YIELD ANDSOME TECHNICAL MEASURES TO IMPROVE PEANUT YIELD IN THE AUTUMN-WINTER SEASON IN THAI NGUYEN PROVINCE
DOI:
https://doi.org/10.51453/3093-3706/2026/1454Keywords:
Cây lạc Lạc Thu Đông Yếu tố hạn chế Mật độ trồng lạc Tưới nước cho lạcAbstract
The research results show that the main limiting factors affecting the yield of autumn-winter peanuts in Thai Nguyen are low planting density and drought at the end of the season
The most suitable planting density for the L14 peanut variety in the autumn-winter season in Thai Nguyen is 33 plants/m2, with a spacing of 33 cm x 10 cm x 1 plant. At this density and spacing, the peanut plants grow well, yielding a high productivity (33.2 quintals/ha), an increase of 33.3% compared to the common planting density of local people. Irrigating the autumn-winter peanuts three times during the flowering stage (R1) to the fruit formation and kernel ripening stage (R6) with 860 m3/ha of water resulted in a yield of 33.2 quintals/ha, increasing productivity by 61.9% compared to the non-irrigated method
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