Abstract
바이오 디젤용 원료작물인 카멜리나를 중국 지역에서 대량 상용재배 하기 위해서 길림성 연길 지역에서 재식 밀도, 비료 시비, 파종 시기 등이 종자 생산량에 미치는 영향을 실험하였다. 재식 밀도와 증수량의 상관 관계를 알아보기 위해서 단위면적당 다른 두 가지의 파종량을 적용했다. 0.1 ha 당 카멜리나 종자 0.23 kg을 파종한 시험구가 0.56 kg을 파종한 시험구보다 60.6 g이 증대되는 결과를 보였다. 또한 비료 시비량과 증수량의 상관관계를 알아보기 위해서 0.1ha당 질소 1.97 kg과 인 12.3 kg을 시용한 시험구, 질소 2.8 kg과 인 17.5 kg을 시용한 시험구, 그리고 무시비구를 이용해서 증수량을 분석한 결과 재배지역에 따라 상이한 결과를 보였다. 다른 실험 결과와 비교하면 상당히 낮은 시비량에도 증수량이 포화되는 결과를 보이는 것으로 봐서 시험구 포장 자체가 상당한 양의 비료 성분을 포함하는 것으로 추정되며 통상적인 농경지 재배에서는 추가적인 시비 효과가 크지 않을 것으로 여겨진다. 파종 시기에 따른 종자수확량은 동일한 생육 기간을 거치더라도 5월 4일에 파종을 한 후 수확을 하는 것이 5월 29일 파종한 것보다 높은 생산량을 보였다. 이 결과는 빠른 파종 시기가 종자 생산량에 긍정적인 영향을 미친다는 것을 의미하므로 최대한 파종 시기를 앞당기는 것이 종자의 생산량을 늘리는데 도움이 될 것이라고 판단 된다. The objective of this study was comparison of seed yields according to different seeding rates, seeding time and application of chemical fertilizations in Yanji region of China. The experiment was conducted on commercial farmland at Yanji region in 2013. All the experimental fields were designed following randomized block design with 3 replicates. The plant spacing was applied as $65{\times}1cm$ distance. To check the effect of seeding rate, two different seeding rate, 0.2 kg/0.1ha and 0.5 kg/0.1ha were applied. The higher seed yield was observed in low seeding rate (0.2 kg/0.1ha). The application of fertilizer (mixture of N and P) showed different results following different experimental fields. However, there were little positive effects following fertilizer application into commercial farmland. When we compare seed yields between two different seeding dates, $4^{th}$ May and $29^{th}$ May, the earlier seeding date ($4^{th}$ May) showed higher seed yields. In considering these results, low seeding rate and early seeding time is important for getting high camelina seed yields.
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Claims 5
Claim · model-written summary
The lower seeding rate produced higher camelina seed yield.
- Taxon
- Camelina sativa
.jpg?width=60)
Camelina sativat0 - Treatment
- low seeding rate (0.2 kg/0.1ha)e0
- Outcome
- seed yielde0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Camelina sativa”
e0“The higher seed yield was observed in low seeding rate (0.2 kg/0.1ha).”
Claim · model-written summary
The effect of N and P fertilizer on camelina seed yield varied among fields.
- Taxon
- Camelina sativaCamelina sativat0
- Treatment
- fertilizer (mixture of N and P)e0
- Outcome
- different resultse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Camelina sativa”
e0“The application of fertilizer (mixture of N and P) showed different results following different experimental fields.”
Claim · model-written summary
Fertilizer had little positive effect on camelina yield in commercial farmland.
- Taxon
- Camelina sativaCamelina sativat0
- Treatment
- fertilizer applicatione0
- Outcome
- positive effectse0
- Direction
- positivee0
- Setting
- commercial farmlande0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Camelina sativa”
e0“there were little positive effects following fertilizer application into commercial farmland”
Claim · model-written summary
The earlier May sowing date gave higher camelina seed yield.
- Taxon
- Camelina sativaCamelina sativat0
- Treatment
- earlier seeding date ($4^{th}$ May)e0
- Outcome
- seed yieldse0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Camelina sativa”
e0“the earlier seeding date ($4^{th}$ May) showed higher seed yields”
Claim · model-written summary
The authors recommend a low seeding rate and early sowing for high camelina seed yields.
- Taxon
- Camelina sativaCamelina sativat0
- Outcome
- low seeding rate and early seeding timee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Camelina sativa”
e0“low seeding rate and early seeding time is important for getting high camelina seed yields”
The same questions in other papers
density · yield · Camelina sativa (false flax)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
sowing time · yield · Camelina sativa (false flax)Positive and negative results
5 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
3 papers more in this group
See all 7 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.