Micronutrient needs of tropical food crops

The results show the profound influence that the environmental condition has on th e p la n t’s response to m icronutrients

J. S. Kanwar; L. J. Youngdahl

2011

Scholarcy highlights

  • The tropics are very diverse in b o th climate and soil resources
  • As we will see there are significant differences betw een crop cultivars in the efficiency w ith which they absorb and utilize m icronutrients, and these differences m ay be one valuable tool for increasing food production on some tropical soils
  • The results show the profound influence that the environmental condition has on th e p la n t’s response to m icronutrients
  • A more detailed review o f the effects o f climate on m icro­ n utrient availability is given by Lucas and Knezek; the effects o f climate on bo th m icronutrient reactions in the soil and on crop uptake are n o t well understood especially under tropical conditions
  • The addition o f FYM w ith NPK treatm ent increased all the m icro­ nutrients in the soil: This indicates th at tw o ways o f eliminating m icronutri­ ent deficiency are through the use o f farmyard m anure and through inclusion o f a specific m icronutrient fertilization schedule
  • (3) Studies on the m anagem ent o f tropical soils and crops to maintain high availability o f m icronutrients

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