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Autor: Lal, R.

The grain yields in the no-tillage plots were equivalent to those of conventionally plowed treatments. No-tillage treatments had higher organic matter content and, by controlling soil erosion, the silt and clay content than the plowed plots. The water holding capacity and moisture release charact...


Lal, R.[Notillage effects on soil properties and maize (Zea mays L. ) production in western Nigeria]Notillage effects on soil properties and maize (Zea mays L. ) production in western Nigeria

Roa, J.Bertuso, A.Villaber, D.[Root and tubers crops: production-use systems and food resilience in agro-forestry ecosystems in Central Philippines. Results of a scoping study.]Root and tubers crops: production-use systems and food resilience in agro-forestry ecosystems in Central Philippines. Results of a scoping study.

In India cassava breeding is done mainly at the Central Tuber Crops Research Institute (CTCRI) in Trivandrum, as well as in the State Agricultural Universities through the All India Co-ordinating Centres. CTCRI maintains 786 exotic and 848 indigenous accessions of cassava and 8 wild species in it...


Rajendran, P.G.Nair, S.G.Amma, C.S. EaswariVasudevan, KeSreekumari, M.T.[Recent progress in cassava varietal improvement in India]Recent progress in cassava varietal improvement in India

The role of cassava in Indonesia is becoming more important, whether it is used for food, for industrial processing or for export. The government of Indonesia has established two policies in the agricultural sector, namely: food diversification and increased productivity in the uplands. Food dive...


Poespodarsono, SoemarjoWidodo, Yudi[Recent progress of cassava varietal improvement in Indonesia]Recent progress of cassava varietal improvement in Indonesia

In recent years, cassava agronomy research in China has emphasized soil fertility maintenance, erosion control, planting methods and date of planting and harvesting. The research was conducted in cooperation between the Guangxi Subtropical Crops Research Institute, the South China Academy of Trop...


Tian, YinongLee, JunZhang, WeiteFang, Baiping[Recent progress in cassava agronomy research in China]Recent progress in cassava agronomy research in China

The paper discusses the research progress mainly for the period of 1990-1993. There are three institutions, SCATC, UCRI and GSCRI, which are systematically working on cassava breeding in China. Since the principal constraint to cassava varietal improvement is the lack of genetic variability, the ...


Fang, BaipingLin, XiongLi, KaimianTian, Yinong[Recent progress in cassava varietal improvement in China]Recent progress in cassava varietal improvement in China

The report covers varietal improvement for the period 1990-1993. Not much progress was made in the 1990/91 season due to the occurence of a super typhoon that damaged standing field trials. In recent years, however, progress in selection was made in terms of high yield and dry matter content and ...


Mariscal, Algerico M.Bacusmo, José L.[Recent progress in cassava varietal improvement in the Philippines]Recent progress in cassava varietal improvement in the Philippines

A total of four sets of seeds (totalling 5526 seeds) were recieved from CIAT during the period 1990-1993. One set (comprising 1100 hybrid seeds) originated from the Thai-CIAT program in Rayong. Evaluation and selection of seedling clones has progressed satisfactorily, and culminated in the releas...


Tan, Swee LianChan, S.K.[Recent progress in cassava varietal improvement and agronomy research in Malaysia]Recent progress in cassava varietal improvement and agronomy research in Malaysia

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