THỜI VỤ TRỒNG THÍCH HỢP CHO MỘT SỐ GIỐNG ĐẬU TƯƠNG MỚI TRÊN ĐẤT RUỘNG BẬC THANG MỘT VỤ Ở YÊN BÁI
THỜI VỤ TRỒNG THÍCH HỢP CHO MỘT SỐ GIỐNG ĐẬU TƯƠNG MỚI TRÊN ĐẤT RUỘNG BẬC THANG MỘT VỤ Ở YÊN BÁI
Optimizing cropping partern of soybean cultivation in the terrace system in Yen Bai province
Crop growth depends tidely on external conditions, temperature and rainfall variation. Active selection of suitable cultivated season is higher advantage to help crops be able to well grow and avoid negative impacts of external conditions and achieve the optimal productivity. Weather in the mountainous districts of Yen Bai province was complicated. Cold temperature, low and late rainfall and rainfall in spring have been affected crop production, even soybean. Hence, idenfied and selected suitable season of soybean cultivation in terraces in spring season is important to expand areas and continuosly cutivation in terracing areas. Based on field performance of soybean varieties, optimal sowing date was determined for ĐT26 on from 1st to 8th March and for ĐVN10 on from February 22th to March 1st .