The soil temperature of treatments 1 to 5 from March to June each year is lower than that of the control, which delays the flowering period of apples and avoids the impact of "falling spring cold" on apples
Each year from March to June to deal with 1 to 5 soil temperature below the control, delayed the flowering of apples, to avoid the "reverse spring cold" on the impact of apples
The soil temperature of treatment 1-5 from March to June every year was lower than that of the control, which delayed the flowering of apple and avoided the influence of "late spring cold" on apple<br>