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１安全抽穗巧播割花期安全相遇是制种成败的关键。常规要求花期安全的气候标准是：气温无连续３天低于２４℃或高于３４℃；田间相对湿度无连续３天低于７０％或高于９０％；无连续３天以上雨日。根据这一标准来选定当地最佳抽穗扬花期。再根据最佳抽穗扬花期，推算和确定...
1 safe ear cutting clever cut flowers at the safe meeting is the key to seed success. Conventional requirements of flowering-safe climate standards are: the temperature is not continuous for 3 days below 24 ℃ or above 34 ℃; field relative humidity for 3 days less than 70% or less than 90%; no more than 3 days rainy day. According to this standard to select the best local flowering date. According to the best heading and flowering period, calculate and determine ...