Upland rice

Modeling approach has considered as an effective alternative method for environmental risk assessment in recent decades. This work aimed to assess the pesticide fate and transport from rice paddy which has higher potential of pesticide runoff compared to upland fields as reported in previous studies. The study area was the Sakura River watershed, Ibaraki Prefecture, Japan.

9p viyoko 01-10-2024 2 0   Download

A field experiment was conducted in the Instructional Cum Research (ICR) Farm of Assam Agricultural University, Jorhat, Assam during autumn season of 2017. The experiment was laid out in a split-plot design with three replications.

6p trinhthamhodang11 27-04-2021 12 2   Download

Water retention ability of leave tissues of twenty five local upland rice cultivars (Oryza Sativa L.) was defined through the amount of water loss through different time frames. The results showed that the amount of water loss of leaf tissues of twenty five local upland rice cultivars through times: one hour, two hours, three hours, four hours, five hours and six hours had increased.

8p larachdumlanat127 20-12-2020 9 1   Download

Upland rice grows on 19 million ha, about 15% of the world's rice plantation [2]. The production of upland rice is crucial to agricultural economy of many countries [15]. The yield of upland rice is very low with an average of about 1 t/ha. Drought is a major constraint to the productivity of upland rice.

10p 12120609 01-06-2020 11 1   Download

Đất xám (đất cát) và đất nông nghiệp quan trọng ở tỉnh Tây Ninh và Được sử dụng cho gạo dựa trên hệ thống cây trồng nào có cây trồng ở vùng cao (ví dụ, ngô) giai đoạn. A Người vô dụng đánh giá của đất xám của khu vực Đông Nam (Phụ lục 2, Six Báo cáo hàng tháng, tháng 10 năm 2008) xác định các contraintes lớn các chất hữu cơ thấp, thấp khả năng giữ nước, chất dinh dưỡng khả năng sinh sản thấp (đặc biệt là P và K), nhỏ gọn và xu thế để Xu hướng Để Hãy cứng thiết...

10p xau_la 09-02-2012 59 7   Download

The Mekong River Delta (MD) in Vietnam has an area of 4 million hectares. The economical production in this region is highly dependent on water from the river and canal system. More than two-third of 17 million inhabitants of the MD live in rural areas and depend totally on the water resources for rice, upland crop irrigation, aquaculture of fish and shrimp, domestic drinking and industrial water supply and for transportation on rivers and canals

0p haivan 16-03-2009 221 32   Download