Consuming adequate amounts of fruits and vegetables is very important for health maintenance and disease prevention. Brazil is a leading producer of fruits and nuts, especially oranges, bananas, coconut, pineapple, papaya, cashews and Brazil nuts.


The benefits that TK47 and Super Greensand offer for fruit and vegetable production are:

  • Increases the availability of phosphorus in the soil
  • Has no salt effect nor chlorine content
  • Optimizes management: allows potassium to be applied in pre-planting and eliminates fertilizer re-application
  • Reduces plant transpiration rate thus reducing water loss
  • Increases plants resistance against pests and diseases
  • Contains the elements sulfur, phosphorus, manganese, zinc, copper and cobalt in small amounts
  • In case of drought and loss of crop, the potassium remains in the soil for the next crop
  • Improves cellular structure of the plant
  • Reduces the impact of drought, heat, cold, soil salinity and heavy metal toxicity
  • Benefits the process of photosynthesis


In addition to all the benefits mentioned above, TK47 offers even more advantages for fruit and vegetable cultivation:

  • Corrects soils pH without releasing CO2
  • Releases potassium in a controlled manner according to the needs of the plant

Results of TK47 on vegetables crops

An experiment was conducted bt the Institute of Agricultural Research of the Cerrado (IPACER) to evaluate the agronomic efficiency of TK47 on carrot, corn and potato crops.

Carrots - The results showed that the potassium concentration in the soil treated with TK47, after harvesting, was 53.25% higher than that found in the area treated with KCl. This confirmed the residual effect TK47 has on the next growing cycle for the next culture.


The concentration of phosphorus in the soil after harvesting was 5.7% higher in the area treated with TK47, while using only half the dose of K2O than that of the area treated with KCl.


The area in which TK47 was applied was 5.68% more productive than the KCl treated area, producing 3.6 t/ha more carrots with half the K2O dose. Applying the same dose of potassium as KCl resulted in 5.9 t/ha more carrots in the area treated with TK47, representing a 9.32% increase in productivity.


Higher yields of carrots were achieved using TK47. Of the total carrot production, TK47’s plot produced 67.01% of class A carrots, which have a higher market value, whereas KCl’s plot produced 49.76%. Also, less discarded carrots were produced from TK47’s plot than from KCl’s, 9.08% versus 10.91% respectively. 

Carrot classification

Class A carrot production (measuring between 18cm to 26cm)

TK47 44.3 t/ha

KCI 31.5 t/ha

Class B carrot production (measuring between 14cm to 18cm)

TK47 15.8 t/ha

KCI 24.9 t/ha

Discarded carrot production (non-commercial carrots with any type of deformity or size greater than 26cm or smaller than 14cm)

TK47 6 t/ha

KCI 6.9 t/ha


In one of the treatments using TK47, the use of some pesticides was reduced. These include Abamex (Nufarm), ENGEO Full (Syngenta), Caramba®90 (BASF), COMET® (BASF), Cabrio® Top (BASF), Imunit ™ (BASF). The area that used fewer pesticides produced 5.4 t/ha more than the area in which KCl was applied and in which the amount of pesticides remained the same. Total productivity increased by 8.53% using TK47.


After carrot cultivation, corn was planted to evaluate TK47’s residual effect. Corn was planted in the same area as carrots without reapplying any fertilizer. The area that received TK47 for the cultivation of carrots produced 6% more corn using half the dose of potassium than the area treated with KCl. The area with TK47 and reduced pesticides was also more productive, producing 3.1% more corn than the KCl treated area.

Potato - The results showed that TK47 increased the concentration of potassium and phosphorus in the soil.