My Photo

Visit My Other Accounts

Facebook Twitter
Blog powered by TypePad
Member since 02/2006

« Namah: I will sacrifice my life to fight corruption | Main | Peter O’Neill on the verge of forming government »

29 July 2012

Comments

Feed You can follow this conversation by subscribing to the comment feed for this post.

The article was written to fit on a little more than one page. The web sites are to give a more academic insight.

The green manure or pasture parts of farming rotations are designed to be an alternative to the bush fallow involved in slash and burn.

The principle is that the land is in use during the entire rotation. Village people do not study the why's and wherefore's of what they do. If it works it becomes a part of custom, if not it is discarded.

A question for all, why is an introduced crop maize and its various products almost completely ignored by our agriculturalists? It is not only a fresh vegetable.

The Trobriands and other coral islands suffer badly from starvation in their root crop based economy. Maize was found by the Mayas to grow well on limestone soils.

Other cultures use Maize as a storable crop to carry them through droughts. We can and should be learning from others.

To portray it as "slash and burn" is, I think, an oversimplification of agriculture in PNG. I look upon the practice as both a disease control measure and carbon depletion dictated fallowing process.

Build up of pests and diseases over time is most likely the primary consideration.

Re the reputed utility of the "slash and burn" method, in the study that Harry mentions*, it is noted that on Tanga the fire ash that is often suggested as the reason for the slash and burn process was observed to be completely removed in the course of preparing the land for planting.

And with good reason, especially in a place like Boeng Is. which is fossil reef (i.e. high pH limestone), as the principal crops, kaukau, taro and yams all need slightly acid conditions to thrive.

The ash will raise the pH and create less than ideal conditions for these crops. In addition, disease can become more of a problem with more neutral soils.

Also, in my experience, secondary crops such as bananas and cassava (tapioc) are harvested before the land is left to fallow.

As I mentioned above, as well as disease control, I suspect that the fallowing process may be related to the depletion of what is lately called "soil carbon" (organic matter and associated soil flora and fauna).

This soil carbon provides a slow release mechanism for the production of carbon dioxide which, on conversion to sugars, oils, fibres and starches, makes up the bulk of the dry mass of plant-life.

PNG farmers have embraced many new practices and ideas in the last fifty years and remain eager to adopt methods that they perceive to be useful, provide variety or income and increase production.

In my opinion, they have generally acquitted themselves well in the tricky business of integrating agricultural innovations into their lives while minimizing the disturbance to their cultural and social fabric.

Tony - Interesting viewpoint.

Whilst traditional farming methods may have had a place in earlier traditional society, with PNG’s population doubling over the past 35 years is obvious that the current agricultural systems have proved inadequate to meets the food needs of the overall population as evidenced by an increasing reliance on imported food products hence a change in mindset set is needed by the general population, the government and its planning authorities.

Whilst small pockets of land in PNG have good arability factors and potential high productivity levels, the majority of lands in PNG have poor soil qualities requiring substantial ancillary improvements either through chemical fertilisation or as you suggest perhaps utilising a holistic natural green approach.
Whilst the land quality factors could be corrected, the issue then arises as to whether the benefits envisaged would out way opportunity costs associated with the required improvements needed.

The other limitation faced is more complex in nature as it relates to the interwoven nature of PNG citizens attachment to the land and how many of today’s farming practices have deep cultural roots extending back to earlier taim bipo.

As an analogy – In 1933 a anthropologist named FLS Bell conducted detailed research into the role of food in the Tanga Society in New Ireland.

His detailed article was later published in the Publication “ Oceania” in 1946.

As Bell notes in the foreword to his article:

“The garden is the focal point of Tangan life. It is the one inescapable reality of native existence. A Tangan cannot enter into any undertaking, subscribe to any belief or satisfy any desire without reference to the garden. He cannot celebrate any social event from birth to a canoe launching without taking thought of the resources of his garden.

"He cannot make love nor can he make war without taking precautions against damage to his garden. He cannot speak of the supernatural either as it is manifest in his life or in the life to come without reference the garden.

"The first thought of the sick man and the last thought of the dying are for the garden”

Bell's work is very detailed in nature and as such is beyond further elaboration here however for any one having an interest in this matter feel free to contact me though the editor of this site for a scanned copy.

Alas my copy of this article is somewhat tattered and unfortunately the last few pages of his essay are missing.

Verify your Comment

Previewing your Comment

This is only a preview. Your comment has not yet been posted.

Working...
Your comment could not be posted. Error type:
Your comment has been saved. Comments are moderated and will not appear until approved by the author. Post another comment

The letters and numbers you entered did not match the image. Please try again.

As a final step before posting your comment, enter the letters and numbers you see in the image below. This prevents automated programs from posting comments.

Having trouble reading this image? View an alternate.

Working...

Post a comment

Comments are moderated, and will not appear until the author has approved them.