Titlebook: Elements of Tropical Soil Sciences; T. Eden Textbook 1964Latest edition Macmillan Publishers Limited 1964 environment.soil.soil science

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書目名稱Elements of Tropical Soil Sciences影響因子(影響力)




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字的誤用

delusion

The Chemical Properties of Soil,the chemical properties. In this chapter we shall deal first with a type of surface action which has a great part to play in regulating the fertility of the soil, particularly as regards the retention of soil nutrients and the related property of soil reaction, that is, its condition of acidity or a

創(chuàng)造性

The Chemical Properties of Soil,st it means a whole range of products between the raw material and humus proper. It will be convenient therefore to say something first of all about the processes that bring about this decomposition, particularly as recent work indicates that the by-products and intermediate products play an importa

ADAGE

STALE

Green Manuring and Composting,ganic matter affect soil tilth and structure, regulate water relations and improve the base exchange capacity of soils. In addition, organic matter contributes nitrogen compounds and the many and varied mineral elements without which plants will not grow. In this chapter we shall deal in some detail

STALE

Cultivation,ate it.” Simple as the answer may sound, it is highly deceptive. One might equally say “Why do we eat?” and answer “To live.” In both cases the question and answer skip from start to finish and leave out all the middle.

FELON

Soil Erosion and Drainage,ch, and capable of bearing crops for an almost indefinite time. This view is commonly held but is for the most part entirely illusory. Closer consideration shows why this is so. Conditions of temperature and rainfall are such that rapid growth is possible, given other suitable circumstances, and thi

NOT

Adrenal-Glands

Fertilisers and Their Use,anurial side of husbandry. Even what is called artificial manuring is not as new-fangled as might be thought. The diarist John Evelyn speaks of the use of blood, hair, feathers, fish and malt residues as being used for crop improvement in the middle of the seventeenth century and other writers at th