Journal of Food, Agriculture and Environment

The effects of sowing density and sowing pattern on yield, yield components and some agronomic characteristics of corn (Zea mays L.) H.S.C. 704 cultivar

Author(s):

Ali Reza Saberi ^1*, Sayyed Afshin Mosavat ¹, Siti Aishah Hassan ², Zeinab Barati ²

Recieved Date: 2013-06-22, Accepted Date: 2013-10-18

Abstract:

To examine the effect of plant densities and sowing patterns on yield and agronomic characteristics of corn (hybrid S.C.704), a field experiment was conducted at Agricultural Research Station of Gorgan. This experiment was laid out in a randomized complete block design arranged in a factorial with four replications. Forage corn experiment had four levels of plant densities (D1= 55,000, D2 = 65,000, D3 = 75,000 and D4 = 85,000 plants ha^-1) with two planting arrangements (p1= single row and p2 = double row 20 cm space apart). The results showed significant differences between planting arrangement for total dry matter, number of  kernels per ear, kernels per row, ear length and double row produced higher amount for all above characters. In addition, plant density had a significant effect on total dry weight, number of kernels per ear, number of ears per row, total fresh weight and ear length (P<0.01) and with an increase in plant density amount of biomass increased. The highest grain yield (8.28 ton ha^-1), ear dry weight (3.29 ton ha^-1) and harvest index (46.21%) were produced by density of 75,000 plants ha^-1 and 20 cm double row. The highest total  dry weight was obtained from density of 85,000 plants ha^-1 and 20 cm double row (18.38 ton ha^-1). It might be concluded that by using double row planting pattern the inter plant competition could be decreased and higher yield might be produced.

Keywords:

Sowing density, planting arrangement, hybrid S.C.704, grain yield

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Agriculture
Pages: 1441-1443

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