Biblioteca Digital

997 resultados para Degraded soil

Fertility of paddy soil and its effect on rice and wheat

Relevância:

20.00% 20.00%

Publicador:

The Characteristies of hydrous oxide-type surface and its distinction in soil pa

Relevância:

20.00% 20.00%

Publicador:

Some new electrochemical methods in soil and water research in the field

Relevância:

20.00% 20.00%

Publicador:

Electrochemistry of ions at the soil colloid-soil solution interface of variable

Relevância:

20.00% 20.00%

Publicador:

Characteristies of soil acidity of paddy soils in relation to rice growth

Relevância:

20.00% 20.00%

Publicador:

Influence of soil submergence on potassium-calcium activity ratio as measured...

Relevância:

20.00% 20.00%

Publicador:

Physico-chemical properties of Oxisols and ultsols on relation to soil managemen

Relevância:

20.00% 20.00%

Publicador:

Improvement and utilization of salt affected soil in Huang-Huaihai Pain

Relevância:

20.00% 20.00%

Publicador:

Salinization characteristics of uncropped soil in the southern piedmon plain of the tianshan mountains

Relevância:

20.00% 20.00%

Publicador:

Secondary alkalization of soil in Huang-Huai-Hai plain

Relevância:

20.00% 20.00%

Publicador:

Prediction of impacts of large-scale water conservancy projects on soil saliniza

Relevância:

20.00% 20.00%

Publicador:

Soil sulphur status and sulphur fertilizer requirement

Relevância:

20.00% 20.00%

Publicador:

Preliminary studies on soil sulphur in china

Relevância:

20.00% 20.00%

Publicador:

The preliminary studies on the soil sulphur status and crop response to...

Relevância:

20.00% 20.00%

Publicador:

Sulphur content and distribution in paddy soil of sounth china

Relevância:

20.00% 20.00%

Publicador:

«
1
2
...
59
60
61
62
63
64
65
66
67
»