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sowing time
The method for determining the optimum sowing time is to measure the depth of soil thawing, accumulated temperature above 5°C both at 5 cm of the depth of of soil and in atmosphere.
      
The treating methods of seeds germination and the sowing time for both Japanese larch (Larix kaempferi Carr) and Dahurian larch (Larix gmelinii var.japonica Pilger) were discussed.
      
This is consistent with the sowing time in Asturias, which is spread over late autumn to winter.
      
These results demonstrate that the suites of functional attributes identified to distinguish intensive and extensive cultivation, and to recognise sowing time, can be applied in another geographical area and to another crop type.
      
The impact of crop processing on the reconstruction of crop sowing time and cultivation intensity from archaeobotanical weed evi
      
An archaeological case study is presented in order to illustrate how bias relating to crop sowing time may be identified and interpreted.
      
Data from three field experiments were collated to investigate the phase of linear HI increase of sunflower (Helianthus annuus L.) across environments by changing genotypes, sowing time, N level, and solar irradiation level.
      
We examined the effects of various levels of supplemental irrigation (SI) (rainfed, 1/3 SI, 2/3 SI, full SI), N (0, 5, 10, 15 g N m-2), and sowing time (Nov., Dec., Jan.) on evapotranspiration (ET) and WUE of wheat.
      
The relationship between leaf dimensions and LA was significantly improved when sowing time and the times of leaf sampling were included in the relationship; however, no significant differences were found among genotypes.
      
Spatial disposition of plants in intercrops, and differences in sowing time between species, can strongly affect their ecological interactions and, in consequence, the system's viability and performance.
      
Effects of temperature, light, storage conditions, sowing time, and burial depth on the seed germination of Cardiocrinum cordatu
      
Biometrical techniques were used to distinguish the effects of nitrogen from those due to sowing time and to varietal differences.
      
Agronomic and yield data were collected from two trials each containing 16 bread wheat genotypes, planted two years under late sowing conditions of high temperature (above 30° C) and one year under a normal sowing time environment.
      
Grain proteins were increased by 4-5% for crops grown in good legume pasture rotations compared to continuous wheat rotations, but only by 1-2% by factors such as delayed sowing time, applied nitrogen, cultivar or grass weed control.
      
Genotype by environment interaction for yield is mainly determined by thermal conditions in the pre-anthesis period, genotypic photoperiodic sensitivity and sowing time.
      
In northern India, the monsoon rains recede much earlier than the sowing time of post-rainy crops and the seed-zone gets dried.
      
Two resistant and 17 susceptible lines were grown during autumn, winter and spring of 1988/89 to examine the effect of sowing time on the appearance of the deficiency.
      
Sequential application of growth regulators demonstrated that bud production was only affected by treatments given between sowing time and 32 days after germination.
      
Treatments were sowing time, watering and sowing shelter.
      
Watering, covering, their interaction, block and sowing time had significant effects on the number of seedlings.
      
 

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