Resultados de búsqueda - "Soil science"

Differential phosphorus requirements of azolla species and strains in phosphorus-limited continuous culture por Subudhi, Budunkila Prakash Rao, Watanabe, Iwao

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Growth Inhibition Due to Continuous Cropping of Dryland Rice and Other Crops por Ventura, Wilbur, Watanabe, Iwao

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Changes in Soil Fertility Under Intensive Rice Cropping with Improved Varieties por De Datta, S.K., GOMEZ, K.A.

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Some mechanisms involved in the development of iron toxicity symptoms in the rice plant por Tanaka, A., Loe, R., Navasero, S.A.

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Denitrification workshop planned por Technical Centre for Agricultural and Rural Cooperation

“…The International Society of Soil Science is to hold a workshop on denitrification in soils, the rhizasphere and aquifers, in Giessen, Germany, from March 17 to 19,1989. …”
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Phosphorus in low-Input dryland agriculture: the perspective from Syria por Ryan, J., Ibrikci, H, Rashid, A, Sommer, Rolf

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A comparison of the contributions of clay, silt and organic matter to the effective CEC of soils of subSaharan Africa por Asadu, C., Diels, J., Vanlauwe, Bernard

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An Undisturbed Core Sampling and Sectioning Technique for Wetland Rice Soils por Savant, N.K., De Datta, S.K.

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An Analysis of the Contribution of Organic Matter and Clay to Cation Exchange Capacity of Some Philippine Soils por Sahrawat, K.L.

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Reversing yield declines of a subtropical vertisol por Bell, M.A., Lafitte, H.R., Edmeades, G.O., Chapman, S.C.

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Mineralization Pattern of Soil Organic N of Several Soils in the Tropics por Ando, Ho, Aragones, Rowena C., Wada, Genshichi

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Estimation of N-2 fixation of soybean by comparison of different n-15 labeling methods por Chiu, Chih-Yu, Watanabe, Iwao, Yoshida, Tomio

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Dynamics of Available Nitrogen in Paddy Soils. I. Changes in Available N During Rice Cultivation and Origin of N por Watanabe, Iwao, Inubushl, Kazuyuki

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BHC and DDT Residues of Some Rice Crops and Soils in the Philippines por Del Rosario, Dafrosa A., Yoshida, Tomio

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Chlorosis of the rice plant induced by high pH of culture solution por Tanaka, A., Navasero, S.A.

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Relationship between length of growing period and yield of rice plants under a limited nitrogen supply por Vergara, B.S., Lilis, R., Tanaka, A.

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Nutrient monitoring of sewage water irrigation: Impacts for soil quality and crop nutrition por Ryan, J., Masri, S., Qadir, Manzoor

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Factors influencing the intensification of farming systems and soil-nutrient management in the rural-urban continuum of SW Ghana por Drechsel, Pay, Zimmermann, Uta

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Soil crusting and infiltration on steep slopes in northern Thailand por Janeau, Jean L., Bricquet, Jean P., Planchon, O., Valentin, Christian

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Match and manage por Technical Centre for Agricultural and Rural Cooperation

“…The 17th World Congress of Soil Science, to be held from 14 to 21 August 2002 in Thailand, will focus on indigenous and scientific knowledge systems. …”
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