Gansu Provincial Key Laboratory of Aridland Crop Science College of Agronomy Gansu Agricultural University Lanzhou China;
Dingxi Agricultural Science Research Institute Dongxi China;
Gansu Provincial Key Laboratory of Aridland Crop Science College of Agronomy Gansu Agricultural University Lanzhou China;
College of Life Sciences and Technology Gansu Agricultural University Lanzhou China;
Gansu Provincial Key Laboratory of Aridland Crop Science College of Agronomy Gansu Agricultural University Lanzhou China;
Gansu Provincial Key Laboratory of Aridland Crop Science College of Agronomy Gansu Agricultural University Lanzhou China;
Gansu Provincial Key Laboratory of Aridland Crop Science College of Agronomy Gansu Agricultural University Lanzhou China;
Dry-land; Oil flax; Film color; Mulching; Dry matter accumulation; Grain yield;