検索結果

Soil fertility and fertilizers 著者: Tisdale, Samuel L.

Release of potassium and magnesium from some Philippine soils 著者: Tantidhanapat, Prapat 1948-

Variability of rice yield response to fertilization in a Santa Rita series in Iloilo in relation to some soil chemical properties 著者: Ali, Jakhro Anwar 1945-

Land reclamation by faecal sludge application 著者: De Sales, Louernie Fernandez

Fertility studies of scraped soils in the land consolidation pilot project, Talavera, Nueva Ecija 著者: Singh, Virenda Pal 1951-

Field fertilizer experiment and plant tissue analyses as tools in assessing the fertility level of a soil for garlic 著者: Mardicas, Estrellita Bacnat 1952-

Geotherapy innovative methods of soil fertility restoration, carbon sequestration, and reversing CO2 increase

Available for University of the Philippines Diliman College of Engineering via CRCnetBASE. Click here to access
Also available remotely for University of the Philippines Diliman College of Engineering via CRCnetBASE. Click here to access thru EZproxy

The Philippines recommends for soil fertility management

Soil fertility management in Sub-Saharan Africa 著者: Donovan, Graeme W.

Conserving soil moisture and fertility in the warm seasonally dry topics