Types of interactions in intercropping of maize and soya bean

Abstract

Intercropping two or more crops under similar micro environmental conditions can increase the agricultural productivity. A field study was conducted in three-year period 2003-2005 at experimental field of Maize Research Institute, Belgrade on chernozem soil type. This examination included three experimental hybrids of maize from various FAO groups of ripening (500,600 and 700) and the type of soya bean from II group of ripening (Nena). Maize and soybean was grown in pure stands and three combinations of intercrops (alternate-row and in strip intercropping). Additive design was used for creating of intercrop variants. The paper investigated the grain yield of maize and soya bean in the intercropping, and compared with the yield of the monocrops. Comparison of the yield was carried out with the most Number indicators- Land equivalent Ratio index (LER). For individual comparisons used the standard error differences between means. Comparing with the intercropping production of monocrops production of maize and soya bean, with the index LER, the results obtained indicate that there are more intercropping production, especially in 2004. The three-year average, the increase of grain yield in the intercropping in relation to monocrops of maize and soya bean was 45% in the strip, or 49% in the alternate rows. Intra-species the intensity of competition is higher in the strip and in the pattern arrangement of the resulting lower relative grain yield, primarily due to lower maize yield

Comparative analysis of maize–soybean strip intercropping systems: a review

“…Conventional intercropping field layout often resulted in low LUE, RUE, low comparative profits of soybeans and incompatibility with mechanization (Lv et al, 2014;Yang et al, 2014). Moreover, farmers had no suitable high yield variety for intercropping and always used manpower to manage (Dolijanović et al, 2009) China (traditional): Intercrop yields were adjusted to whole plot basis. Democratic Republic of the Congo: Maize sole crop yield was calculated from gross income and maize unit price (300 CDF/kg).…”

“…As maizesoybean intercropping has a potential to increase the soil fertility, LER, yield per unit land area and net return in world farming system. Therefore, several researchers other than above-mentioned countries have also indicated the significance of this system (Dolijanović et al, 2009;Duùa & Roman, 2013;Polthanee & Trelo-Ges, 2003). However, this system is adopted on small scales because many modifications and alterations are needed to be considered, for example, row arrangements, light and nutrients availability, inter-and intra-specific competition and mechanization.…”

Effect of Maize (Zea mays.L) on Bean (Phaseolus vulgaris L.) Yield and its Components in Maize-Bean Intercropping

“…Intercropping consists of simultaneous culture of two or more crops in the same field in order to reach land equivalent ratios that show nature prefers multiple species rather than single species [1], [2]. It has been traditionally practiced in many parts of the world [3], [4] and has some advantages over monocultures [4].…”

Intermediate Maturing Soybean Produce Multiple Benefits at 1:2 Maize:Soybean Planting Density

“…The tall nature of maize in relation to soybean and its more widespread rooting system might have favored maize in D1. Dolijanović, Kovačević, Oljača, and Simić (2009) showed that, in the intercrops of soybean and maize, the maize component, which has often fast growth rate, height advantage and more widespread rooting system gives it an advantage in the competition with the associated soybean. The observed consistent, but slight increase in maize yield under D1, relative to SM in the long rainy season, may be due to N obtained through nitrogen fixation from associated soybean.…”