Effect of Nitrogen and Potassium on Yield, Yield Components and Essential Oil of Black Caraway (Bunium Persicum L.)

Hamid Reza Zabihi; Mojtaba Nourihoseini

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Effect of Nitrogen and Potassium on Yield, Yield Components and Essential Oil of Black Caraway (Bunium Persicum L.)

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Fertilization is the main factor stimulating yield of plants, nitrogen and potassium are among must important essential nutrients. An experiment was conducted to investigate the effect of different rates of nitrogen and potassium on yield and yield components of Black caraway (Bunium persicum L.). The experiment was on the base of randomized complete block design with three replications for 3 years in Torogh agriculture and natural resources research station, iran. Plow, disc, leveling, creating planted rows and making plots was performed in mid-September. All potassium fertilizer and half of the nitrogen were applied at planting. The rest of the nitrogen was applied in the form of top-dressing at flowering stage in the second week of April. The size of each experimental plot was 4 × 3 meters in 6 rows and 12 lines. Treatments were 4 levels of nitrogen (0,40,80and120 kgN/ha in the form of urea), and three levels of potassium (0, 40 and 80 kg k2O/ha in the form of sop). The results showed that the effect of nitrogen and potassium on grain yield, yield components, straw yield and essential oil content was significant (P<0.05). Nitrogen rate of 40 kg/ha increased grain yield and some yield components and essential oil. Whereas the higher rate decreases grain yield and yield components, and increases straw yield. Interaction of nitrogen and potassium on grain yield, straw yield and number of umbels per plant, was significant(P<0.05).

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《生态学研究(英文)》 |2019年第1期|P.10-14|共5页
作者
Hamid Reza Zabihi; Mojtaba Nourihoseini;
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作者单位

[1]Soil and Water Department;

Khorasan-Razavi Agricultural and Natural Resources Research Centre;

Agricultural Research;

Education & Extension organization(AREEO);

Mashhad;

Iran;

[2]Post PhD student of Soil Science Department;

Ferdowsi University of Mashhad and Soil and Water Department;

Khorasan-Razavi Agricultural and Natural Resources Research Centre;

Agricultural Research;

Education & Extension organization;

Mashhad;

Iran;

[3]Dept. of Soil and Water;

Khorasan-Razavi Agricultural and Natural Resources Research Centre;

Mashhad(AREEO);

Iran.;

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原文格式 PDF
正文语种 CHI
中图分类生物科学;
关键词
Macronutrients; Medicinal plant; Potash; Seed yield;

机译：大量营养素;药用植物;钾肥;种子产量;

Effect of Nitrogen and Potassium on Yield, Yield Components and Essential Oil of Black Caraway (Bunium Persicum L.)

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