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Effect of different fertilizers on the yield and yield-related traits of sesame variety Ezhi No.6
TANG Xue-hui, TAN Shun-lin, LIU Ke-zhao, CHEN Han-jun, MU Jun
HUBEI AGRICULTURAL SCIENCES 2020, 59 (
1
): 22-24. DOI: 10.14088/j.cnki.issn0439-8114.2020.01.004
Abstract
(
517
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(1416KB)(
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To get simple and efficient formula fertilization, sesame (
Sesamum indicum
Linn.) variety Ezhi No.6 was adopted to study the effect of different N, P, K fertilizers on sesame yield and yield-related traits by “3414” fertilizers application experiment. The results showed that the different levels of N, P, K have different effects on the yield of sesame, and the nitrogenous fertilizer had the highest effects. Among 14 treatments, the yield of treatment of 292.5 kg/hm
2
urea, 249.0 kg/hm
2
superphosphate and 150.0 kg/hm
2
muriate of potash kalium chloratum (N
3
P
2
K
2
) was the highest, and the yield was 1 751.0 kg/hm
2
; The yield of treatment of 195.0 kg/hm
2
urea, 124.5 kg/hm
2
superphosphate and 150.0 kg/hm
2
muriate of potash kalium chloratum (N
2
P
1
K
2
) was the second, and the yield was 1 682.0 kg/hm
2
; The yield of no fertilization treatment(N
0
P
0
K
0
) was the lowest, and the yield was 1 302.0 kg/hm
2
. The optimum ratio of N, P and K is 10∶2∶7.
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Preliminary study on cultivation patterns and effect of high-starch sweet potato varieties
YE Xing-zhi, CHEN Qiao-ling, QU Yong, XU Yi, HAO Miao, ZHANG Deng-hong, WANG Zhen, CHENG Qun
HUBEI AGRICULTURAL SCIENCES 2020, 59 (
1
): 25-27. DOI: 10.14088/j.cnki.issn0439-8114.2020.01.005
Abstract
(
421
)
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260
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In order to explore the high yield cultivation mode of high starch sweet potato [
Ipomoea batatas
(Linn.) Lamarck], the effects of four factors including different fertilizers, sweet potato cultivars, planting densities and mulching types on vine yield, fresh root tuber production, dry matter rate and T/R value(ratio of fresh vine yield and fresh root tuber production)were studied by an orthogonal randomized test. The results showed that combination
A
3
B
1
C
3
D
2
, that is, applying compound fertilizer, choosing Shangshu 19, covering black film, planting density of 59 895/hm
2
, had the highest production of fresh root tuber. The vine yield, dry matter rate and fresh root tuber production of compound fertilizer was the highest; The effect of sweet potato cultivar on vine and T/R value was the most remarkable; Mulching can improve dry matter content and the production of haulm and tuber; And the effect of cultivation density on dry matter content was the highest.
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