Dear readers,

My father-in-law works my wife's land. Now a lot of Cassava is grown in the region (Nakhon Sawan). In itself a good crop that can withstand drought reasonably well. I am only of the opinion that year after year Cassava is not good, this can also be seen on the basis of the yield, which decreases every year.

Do any of the readers know a good crop that allows crop rotation?

Regards,

Laurens

17 Responses to “Reader Question: Changing crops on agricultural land”

  1. Johnny B.G says up

    A suitable rotational crop is a pea-like variety. These bind nitrogen and are favorable for a green crop afterwards.
    However, the biggest challenge is to explain this.

    • rick says up

      Dear Laurens,

      This question is now ideally suited to ask the Agricultural High School (HAS) in Wageningen, which has an abundance of knowledge in the field of tropical agriculture.

      • Laurens says up

        I will definitely inquire here. Good idea.

      • Henkwag says up

        Rick, you mean well, but you're completely missing the point. Wageningen
        does not have HAS, but WUR (Wageningen University and Research). About 40 years old
        ago this was still called Agricultural College. It is considered one of the best
        Universities/Research Institutes in the world in their field of research, and there is indeed a great deal of knowledge in the field of Tropical Agriculture and Horticulture. However, almost every Thai province also has its “own” Agricultural Experimental Station, where research is also done, and they are of course better informed about local possibilities and impossibilities. Perhaps Laurens can take advantage of that!

    • Laurens says up

      Johnny, That's certainly a challenge, but my father-in-law is reasonable. happy.

    • johny says up

      Peanuts, as a crop, we tried it in Surin after rice. That works well and is therefore also a nitrogen fixer, just look it up, it also needs almost no water or food. And is also very tasty, harvestable after four months. The daughters had sown 4 kg and harvested 40 kg. We will try again at the end of this year, but we still need to make some adjustments.
      Indeed, the biggest challenge is to explain this to Thai. They look at each other and keep planting cassava, which actually yields nothing and then also exhausts the soil.
      Cassava is only interesting if it can remain for a full year, then the tubers can thicken.

  2. Marc Thirifaysd says up

    Beans or corn are ideal but I wouldn't know where you can get rid of those beans, corn on the other hand is no problem.

    • Laurens says up

      See also theo's reaction, the drought worries me too.

  3. Paul Hendrikx says up

    Hello Lauren,

    Why not consider planting deciduous (possibly nitrogen-fixing) trees in strips.
    In the long term, these naturally increase soil fertility. You can work with different types of trees that produce wood for the future (including beefwood/teak/moringa…),
    produce fruits for humans (papaya/banana, mango, guava, durian…) and nutrient-rich leaves for soil and animals.
    The great thing about it is that your in-laws can continue to grow cassava, but in combination with other crops that support soil fertility. Once he sees that the soil fertility improves, he has to buy less fertilizer and the cassava yield goes up again, it will be less difficult to convince him.

    Maybe suggest if you (woman) can try things out on a smaller surface
    After all, local farmers still have enough common sense, for which seeing first and then believing still applies.

    It is up to you to find out in advance what thrives in the region, for which the soil and climate are naturally suitable and then discuss (advice from the local farmer) what might work.
    You may also want to contact your local extension services (Department of Agriculture) for further advice.

    Success!

    Paul

    • Laurens says up

      Hi Paul, I also do this in the Netherlands (on a small scale), this is also the plan in Thailand and will also start small there.

      What I'm looking for now is for the short term so that some money comes in as well.

    • you will says up

      Dear Paul
      did you happen to be working with me in udon thani planting banana trees and spreading fertilizer on my sugar cane fields? if so send me your email address to my new account
      greetings from kees and kee

  4. theowert says up

    We also had Cassava for years in a row and last year and this year they have corn, figs, bananas and papayas. However, in recent months constant concerns about the harvest.
    Since it is too dry and the wells have been exhausted, now fingers crossed that there is still enough rain so that the harvest does not completely fail.

    Yes, I also thought other crops would be better, but I hadn't taken the drought into account.
    So it's not that easy.

    • Laurens says up

      Hi Theo, you understand my problem so far I only know cassava that does well in the dry season.

  5. Hans Struijlaart says up

    There is a bigger problem in some regions. The yield of cassava per ton decreases every year. Not really worth growing anymore. Considering the investment and the costs you make per ton. My friend has a large piece of land and has now replaced half of the Cassava for other products: fruit trees, teak trees, corn, sugar cane, etc. What still yields a lot is cassava chips. You can make this yourself if you wish. It is a considerable one-off investment for the equipment you need.

  6. cornelis says up

    Hi Hans,

    This is the first time I read something about cassava chips. In the Netherlands you can buy cassava chips in every supermarket (which I really like) but have never found it in Thailand. Or maybe it is sold under a different name or it is purely an export item.
    I would like to have some more information about this.

  7. peter says up

    At this site, a pdf, you can read something about cassava.
    Among other things, in cultivation , section 2, you see that monoculture exhausts the soil.
    It is recommended to grow cassava in combination.

    https://www.bosplus.be/l/library/download/urn:uuid:78a28987-6234-446d-95cc-9e97bfa02dd7/productfiche_yuca_fin.pdf?&ext=.pdf

  8. Laurens says up

    Thank you all for the responses.

    Regards Lauren


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