The Use of Cowpea (Vigna Unguiculata) Cover Crop for Sustainable Maize and Millet Production in the Gambia
Title | The Use of Cowpea (Vigna Unguiculata) Cover Crop for Sustainable Maize and Millet Production in the Gambia PDF eBook |
Author | Musa Bojang |
Publisher | |
Pages | 0 |
Release | 2002 |
Genre | Corn |
ISBN |
The Use of Cowpea (Vigna Unguiculata) Cover Crop for Sustainable Maize and Millet Production in the Gambia
Title | The Use of Cowpea (Vigna Unguiculata) Cover Crop for Sustainable Maize and Millet Production in the Gambia PDF eBook |
Author | Musa Bojang |
Publisher | |
Pages | |
Release | 2002 |
Genre | |
ISBN |
Challenges and Opportunities for Enhancing Sustainable Cowpea Production
Title | Challenges and Opportunities for Enhancing Sustainable Cowpea Production PDF eBook |
Author | |
Publisher | IITA |
Pages | 452 |
Release | 2002 |
Genre | Cowpea |
ISBN | 9789781311994 |
Cowpea Production: Sample Costs and Benefits as a Summer Cover Crop
Title | Cowpea Production: Sample Costs and Benefits as a Summer Cover Crop PDF eBook |
Author | |
Publisher | UCANR Publications |
Pages | 12 |
Release | 2001 |
Genre | |
ISBN | 1601072082 |
Sample costs and benefits were developed in Coachella Valley, but can fit other growing areas.
Adoption and Impact of Dry-season Dual-purpose Cowpea in the Semiarid Zone of Nigeria
Title | Adoption and Impact of Dry-season Dual-purpose Cowpea in the Semiarid Zone of Nigeria PDF eBook |
Author | |
Publisher | IITA |
Pages | 20 |
Release | 1999 |
Genre | Arid regions agriculture |
ISBN | 9789781311710 |
Marketing the Cowpea Seed Crop
Title | Marketing the Cowpea Seed Crop PDF eBook |
Author | Jason Edward Barr |
Publisher | |
Pages | 28 |
Release | 1938 |
Genre | Cowpea |
ISBN |
Improving Dryland Maize (Zea Mays) Productivity Through Crop Rotation with Cowpeas (Vigna Unguiculata)
Title | Improving Dryland Maize (Zea Mays) Productivity Through Crop Rotation with Cowpeas (Vigna Unguiculata) PDF eBook |
Author | Mercy Lebogang Medupe |
Publisher | |
Pages | |
Release | 2013 |
Genre | |
ISBN |
Maize is the most important cereal crop grown in areas of South Africa by both small-scale and commercial farmers. Maize monocropping without sufficient input and declining soil nitrogen content are some of the factors that limit yield. The objective of the study was to evaluate the effect of different cowpea cultivars and populations on growth, yield and yield components of succeeding maize. The effects of cropping systems on soil N content were also observed. Field experiments were conducted during the 2005/2006 and 2006/2007 growing seasons at Potchefstroom and Taung in North West province. The trial consisted of four cowpea cultivars: PAN 311 (short duration cowpea cultivar), CH 84, Bechuana white (medium duration cowpea cultivar) and TVU 1124 (long duration cowpea cultivar) and, four planting densities (10 000, 15 000, 20 000 and 40 000 plants ha-1). Maize was used as sequential test crop to determine the residual effect of previous cowpea treatments. Cowpea grain yield increased as planting density increased at both localities. TVU 1124 gave highest grain yield of all cowpea cultivars at both localities. Total dry matter yield also increased with increasing planting density. After cowpea soil NO3- and NH4+ content increased with increasing density. Similarly, soil NO3- content of maize following cowpea showed a considerable improvement, compared to maize monocropping. The highest soil NO3- and NH4+ content was observed when maize followed Bechuana White. Significant differences were also observed in soil microbial activities among the cultivars. Maize grain yields and plant height responded positively to the previous cowpea crop, compared with maize monocropping at both locations, but especially at Taung. Maize stover yield, cob length and KNC significantly responded to maize and cowpea rotation compared to maize monocropping at Taung. These results further confirm the potential of using cowpea to contribute soil N to subsequent maize crops in a rotational system. Copyright.