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Most soils are naturally quite fertile, but to maintain this, sometimes fertilizers are needed. Organic and inorganic fertilizers contain a range of nutrients in different proportions. On most soils the nutrients that need to be added regularly are nitrogen for vigorous growth, phosphates to encourage flowering and fruiting, and potassium or potash for strong roots. Organic is a popular alternative to synthetic fertilizers primarily because it’s natural, ...
Neem has had a long history of use primarily against household and storage pests and to some extent against crop pests in India. With the advent of broad-spectrum, toxic insecticides, such as DDT, the use of neem in crop protection declined. However, over the past two decades, neem has been come under close scientific scrutiny ‘as a source of unique natural products for IPM, medicine, industry, and other purposes.The complex molecular structure of ...