"EXAMINATION OF THE HARVESTING TIME AND CUTTING HEIGHT ON YIELD AND YIELD COMPONENTS OF RICE RATOON (ORYZA SATIVA L.) TAROOM HASHEMI VARIETY"

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Author(s)

YAZDPOUR H. | SHIRANIRAD AMIR HOSSEIN | MOBASER H.R. | Issue Writer Certificate

Keywords

RATOONQ3

HARVESTING TIMEQ3

CUTTING HEIGHT AND GRAIN YIELDQ3

Abstract

In order to survey the HARVESTING TIME and cutting hight on grain yield of rice RATOON in Taroom Hashemi variety, the experiment was done at splitplot in randomized complete block design with 3 repcation in sari city at 2003. The HARVESTING TIME and cetting haight have been shosen as main and suoplots, respectively. The main plot included 3 three levels (T1: the first harvesting in 23rd, Avg., T2 the second harvesting in 3 rd, sep. and T3 the third harvesting in 13th,sep) and subplot in five levels (H1 ground, level cutting, H2: 10 cm, cutting, H3: 20 cm cutting. H4: 30 cm, cutting and H5 : 40cm cutting). The grain yield in the first harvesting was more them the other times. It is because of inweasing some yield components like the total number of tillers and Fertilized tillers in each hill, the number of panicle per sq.m (m2) and the filled spikelets percentage. The grain yield was obtained at the manimum valve in cutting height 40 cm. It's reason is because of increasing the total number of spikelets per panicle. The manimum straw yield of this variety was related to the first HARVESTING TIME which is due to increase in the plant height and the number of the tillers in each hill. These characteristic mas also obtained at the manimum valve in the cutting height 40 cm, which is because of increase in the plant height, The manimum biological yield and harvesting index were obtained at the first HARVESTING TIME and cutting height 40 cm. So, it can be concluded that to produce more yield of rice ratoom, the higher cutting hight must be considered and the main plant must be harvested as soon as possible.

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APA: Copy

YAZDPOUR, H., SHIRANIRAD, AMIR HOSSEIN, & MOBASER, H.R.. (2007). "EXAMINATION OF THE HARVESTING TIME AND CUTTING HEIGHT ON YIELD AND YIELD COMPONENTS OF RICE RATOON (ORYZA SATIVA L.) TAROOM HASHEMI VARIETY". JOURNAL OF AGRICULTURAL SCIENCES, 13(1), 151-161. SID. https://sid.ir/paper/7709/en

Vancouver: Copy

YAZDPOUR H., SHIRANIRAD AMIR HOSSEIN, MOBASER H.R.. "EXAMINATION OF THE HARVESTING TIME AND CUTTING HEIGHT ON YIELD AND YIELD COMPONENTS OF RICE RATOON (ORYZA SATIVA L.) TAROOM HASHEMI VARIETY". JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2007;13(1):151-161. Available from: https://sid.ir/paper/7709/en

IEEE: Copy

H. YAZDPOUR, AMIR HOSSEIN SHIRANIRAD, and H.R. MOBASER, “"EXAMINATION OF THE HARVESTING TIME AND CUTTING HEIGHT ON YIELD AND YIELD COMPONENTS OF RICE RATOON (ORYZA SATIVA L.) TAROOM HASHEMI VARIETY",” JOURNAL OF AGRICULTURAL SCIENCES, vol. 13, no. 1, pp. 151–161, 2007, [Online]. Available: https://sid.ir/paper/7709/en

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