Angel MARCELO Calvache Ulloa

6 Questions 55 Answers 0 Followers

Questions related from Angel MARCELO Calvache Ulloa

Como hago una recomendacion de fertirrigacion de un cultivo si no conozco cuanto y cuando debo regar por el cambio de las lluvias?

En la agricultura a campo abierto es difícil predecir las lluvias. No se puede saber cuando y cuanto debo regar. Como hacer una recomendación de fertirrigacion si no conozco la lamina de riego?

02 February 2018 8,541 1 View

How much P represent 20 ppm in soil analisis, 40 Kg/ha for one year?

It is true? It is the P available for a crop only?

06 June 2016 7,407 1 View

Which is the best formula to calculated the quantity of fertilizer?

My crop need 80 kg/ha of P and in my soil we have 10 ppm of P.

06 June 2016 5,782 36 View

How to calculate the supply of nutrients by soil analysis ?

Fertilizer, fertirrigation

06 June 2016 3,364 4 View

Please, could you provide me with some actual experience in food irradiation with gamma rays?

01 January 1970 5,147 1 View

What are the rigth time to aplied fertilezer in oil palm

In Ecuador we have 400.000 ha of oil palm and ned to know what are the rigth time to aplied mineral fertilizer in the soil

01 January 1970 9,733 3 View