The results showed that the ground temperature increased significantly in early growth stage of early-maturing potato after mulching with film.
结果发现：覆盖地膜后，在早熟马铃薯生长前期具有明显的增高地温作用。
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"Hualiangyou 106" was bred by crossing between early-maturing early indica temperature-sensitive genetic male sterile line "M103S"(mother parent) and new early rice line "T1005".
Jilin province belongs to cold district for rice plant. Because of its low temperature and short frostless period, 25 percent areas are suitable for planting middle or early maturing variety.