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Agriculture & Food, Volume 7, 2019

IMPACTS OF WATERING METHOD AND FREQUENCY ON SEVERAL BIOPHYSICS CHARACTERISTICS AND PRODUCTIVITY OF WAXY MAIZE (ZEA MAYS L.)
Nhan Pham Ngoc, Tin Huynh Quang, Huy Le Duc, Liem Le Tran Thanh
Pages: 297-308
Published: 5 Aug 2019
Views: 305
Downloads: 59
Abstract: Cultivation technique is one of the important factors that helps improve plant productivity. Of which, using proper watering method can not only help plants grow faster but also help reduce water usage in the context of severe weather conditions that lead to water shortage for irrigation in agriculture. The research was conducted on rice land during Spring-Summer season in Chau Thanh A district, Hau Giang province and it aims at finding out suitable watering methods and frequency for maize (Zea mays L.) cultivation. The research includes 2 factors with 4 formal solutions with 4-time repetition. According to test results, plant height in A2B1 formal solution (method of bottom watering, once a day) is the highest one. Also, watering once a day makes the growing speed achieve the fastest one. Corncob weight and diameter, weight of 1000 kernels, productivity in theory and in reality of A1B2 (formal solution of sprinkler watering, once every 3 days) are the highest. Based on physiological maturity observation, A1B2 (formal solution of sprinkler watering, once every 3 days) and A2B2 (formal solution of bottom watering, once every 3 days) have the shortest physiological maturity. According to calculation of efficiency on the tested crops, investment cost is 1.044,22 USD while the profit is 857,13. It is also found out that using sprinkler watering once every 3 days can help maize crops in Spring-Summer season achieve higher productivity in Hau Giang province.
Keywords: maize, watering frequency, watering method, productivity, growth
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