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The Manorial Experiment of Carrots Formular at Qaidam(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年09期
Page:
54-56
Research Field:
Publishing date:

Info

Title:
The Manorial Experiment of Carrots Formular at Qaidam
Author(s):
DANG Yong-hua
Wulan Agricultural Seed Station in Qinghai Province,Wulan,Qinghai 817100
Keywords:
carrots; formulated fertilization; yield; qaidam
PACS:
S 631.206+.2
DOI:
-
Abstract:
Taking fleshy taproot yield of carrot as the main index, the best high-yield fertilizer measures in Qaidam area were determined by the methods of 3414 formulated fertilization.The results showed that the carrots yield was increased along with the increased amount of nitrogen fertilizer,but the carrots yield got to the maximum when fertilization increased to a certain extent,and then it began lower along with the increase of nitrogen fertilizer,the same as the phosphatic fertilizer and the potassic fertilizer,the influence order on the carrots yield was nitrogen>phosphonium>potassium;it had the largest effect on carrort yield when we combined phosphonium with potassium.Optimal economic benefits of carrort yield reached 5 125.2 kg/667m2,at that time,the optimal combination of the nitrogen fertilizer,the phosphatic fertilizer and the potassic fertilizer were urea 55.2 kg/667m2,calcium surphsphate 171.7 kg/667m2,potassium chloride 16.1 kg/667m2.

References:

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Memo

Memo:
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Last Update: 2014-09-01