Residual effect of cattle manure application on green ear yield and corn grain yield

Abstract

The present concern about environmental degradation has produced a renewed interest in organic fertilizers, such as animal manures. In addition, the soil organic matter conservation is one of the most important limiting factors for sustainability development in semiarid regions. In a previous experiment, carried out to evaluate the direct effects of application of manure rates in corn, positive effects of this fertilization were observed on green ear yield and grain yield. It was also verified that manure increased water retention and availability, and phosphorus, potassium, and sodium contents in the soil layer from 0-20 cm, but did not influence pH, calcium, organic matter contents and the sum of bases. The objective of this work was to evaluate the residual effect of applied fertilization on green ear yield and grain yield in cultivars AG 9012 and AG 4051. In both cultivars, a lack of manure residual effects was verified on total number and weight of green ears; number and weight of marketable ears, either unhusked or husked; plant height and ear height; fresh and dry matter in the above-ground part; and grain yield and its components. Cultivar AG 9012 performed best with regard to characteristics employed to evaluate green corn yield, and cultivar AG 4051 was superior with reference to plant height and 100-grain weight. The cultivars were not different with respect to the other traits evaluated.

Effects of Fe, Zn, Mg and manure on seed germination characters of barley (Hordeum vulgare)

“…Results showed that all proportions of manures and chemical fertilizer treatments significantly increased barley grain yield as compared to control (F 4 ) and the highest grain yield was obtained in the F 3 (50% manure + 50% chemical fertilizer) and F 2 (100% chemical fertilizer) treatments with mean of 2758.2 and 2713.5 kg/ha respectively as shown in Table 3. The increase in maize growth with the use of organic materials has also been observed by Silva et al (2004).…”

“…This study confirms the role of manure and chemical fertilizer in increasing grain yield of barley, and the results showed that manure and chemical fertilizer can increase grain yield of barley but combination of them has more effect on increase in grain yield. In a recent evaluation of the direct effects of cattle manure on corn, it was verified (Silva et al, 2004) that manure increased green ear yield and grain yield in two corn cultivars. Cattle manure also increased water retention and availability, and phosphorus, potassium, and sodium contents in the soil layer from 0 to 20 cm (Silva et al, 2004).…”

“…In a recent evaluation of the direct effects of cattle manure on corn, it was verified (Silva et al, 2004) that manure increased green ear yield and grain yield in two corn cultivars. Cattle manure also increased water retention and availability, and phosphorus, potassium, and sodium contents in the soil layer from 0 to 20 cm (Silva et al, 2004). The residual effect of organic fertilizers on yield, including cattle manure, has been found to be positive in sorghum (Partidar and Mali, 2002), corn (Ramamurthy and Afr.…”

“…Shivashankar, 1996) and Brassica juncea (L.) (Rao and Shaktawat, 2002). Therefore, there was a direct effect of cattle manure on green ear yield and grain yield (Silva et al, 2004). Nutrient treatments, N 1 (Fe 2+ ), N 2 (Zn 2+ ) and N 3 (Mg 2+ ), increased barley grain yield by 20, 17.5 and 8.6%, respectively, as compared to control (N 4 ), and the highest grain yield (2539.6 kg/ha) was measured in N 1 (Fe 2+ ) as compared to other treatments, as shown in Table 2.…”

Simulating Soil Moisture under Different Tillage Practices, Cropping Systems and Organic Fertilizers Using CropSyst Model, in Matuu Division, Kenya

“…Combined FYM and RP could have increased water retention in the soil. Manure and rock phosphate have similarly been reported to increase water retention and availability in soil (Silva et al, 2006).…”