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Yield response of cotton to P and K soil fertility gradients in North Carolina was studied to augment the limited calibration data of the Mehlich-3 extractant procedure that is available. Sites were a...
A survey was carried out in the humid savannas of Mbe to assess farmers’ indigenous knowledge of soil fertility, their indicators and management strategies of natural resource. A sample of 174 househ...
专著信息 书名 N2 fixation and N transfer from peanut to rice cultivated in aerobic soil in an intercropping system and its effects on soil N fertility 语种 英文 撰写或编译 作者 Guixin Chu,Q.R. Shen,J.L. Cao 第一作者单位 出版社...
期刊信息 篇名 Fertility restoration of red soils in low-hilly region of middle subtropical China. , 语种 英文 撰写或编译 撰写 作者 Sun Bo,Zhang Taolin,Zhao Qiguo 第一作者单位 中国科学院南京土壤研究所 刊物名称 Pedosphere 页面 1999, 9(3): 205-21...
期刊信息 篇名 Phospholipid fatty acid profiles of Chinese red soils with varying fertility levels and land use histories. 语种 英文 撰写或编译 作者 Yao,H.,Z. L. He,and C. Y. Huang. 第一作者单位 刊物名称 Pedosphere 页面 11(2):97-1...
Study was carried out for establishing the optimal sex ratio in Muscovy duck breeding. Four variants of the ratio of the male to the female individuals were tested: 1:5(I), 1:6(II), 1:7(III) and 1:8(I...
The effect of Laktina® probiotic on some major characteristics of the reproduction capacity of Muscovy duck (White variety) has been studied. The experiment was carried out with 96 ducks in their ...
Influence of red clover (Trifolium pratense L.), sown lucerne (Medicago sativa L.), vetch and oat mixture (Vicia sativa L., Avena sativa L.) and green material of these legume crops used as green manu...
The present investigation was carried out to assess the effect of Sephadex (G-15) filtration on the post thaw bull semen quality and conception rate. Post thaw unfiltered (control) and Sephadex filter...
Cross fertility between wild Japanese quail and domestic quail was explored in an experiment conducted on 18 (3?? 15??竊뎩ild Japanese quails in Weishan Lake area, 18 (3?? 15??竊뎜edium-size...
In breeding of winter rape (Brassica napus L. var. napus) using the OGU-INRA system, based on cytoplasmic male sterility (CMS), it is necessary to distinguish pollen-sterile lines, carrying CMS factor...

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