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Optimal Allocation Technology for Compound Population of Relay-intercropping Maize with Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2012年04期
Page:
575-578
Research Field:
Publishing date:

Info

Title:
Optimal Allocation Technology for Compound Population of Relay-intercropping Maize with Soybean
Author(s):
ZHANG Ming-rong; HE Ze-min; WU Hai-ying; LIANG Jian-qiu; FENG Jun
Nanchong Academy of Agricultural Sciences, Nanchong Comprehensive Experimental Station of National Soybean Industry Technology System,Nanchong 637000,Sichuan,China
Keywords:
Relay-intercropping of maize with soybean; Compound population; Stripe pattern; Sowing date
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2012.04.012
Abstract:
We investigated the influence of field population structure,including stripe pattern,sowing date and planting density, on the yield and economic return of relay-intercropping of maize with soybean Nandou12.The results showed that yields were the highest and economic returns were the maximum when the ratio of narrow rows to wide rows for maize was 40 ∶160 cm.Under this stripe pattern,the optimum sowing date of soybean Nandou12 was June 18 and June 26 when intercropped with early- and late-mature maize,respectively.The suitable symbiotic period of maize and soybean was less than 42 days.The optimum planting density of maize and soybean were respectively 6.0×104 plants·ha-1 and 9.9×104 plants·ha-1 under the relay-intercropping condition.

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Last Update: 2014-08-18