We use these 7 weeds for “nanakusa gayu”.
Prepare some cooked rice and 7 herbs.
It doesn’t matter if it is left over rice.
Wash 7 herbs, cut it all.
Boil some water in a pot, add rice and herbs.
Add salt to your taste.
If I can stop to cultivate and leave land fallow for several years, I will just continue cutting germinated annual weeds at small stage by hou which does not take so much time and I will pull out rhizome weeds.
After that, I will put full ripe compost for a few inches and transplant seedlings there.
I can put straw and make shade.
When I grow…[Read more]
In my farm, we pick up warms by hand or just ignore them because they are not so active in winter season and if we can’t control it under acceptable level, we spray neem oil. Picking up them is not effective when the number is large and spraying neem oil is effective temporary, however, it might also kill beneficial predators and it might not…[Read more]
From the indigenous perspective, water and water rights are related to human life and they are very sacred.
From occidental perspective, water is a material and can be sold for a business and that is certified by their water rights.
Japanese people import a lot of foods from other countries which contain wheat, corn and beans that are produced mainly in semi-arid area. So, the prices of products will rise caused by water shortage around the world and that affects family finance indirectly.
Farming in Japan often doesn’t concern about water shortage because we have a lot of…[Read more]
Yes, I think so, because it’s easier to grow them rather than to make efforts to grow other crops. Traditional farming in wetland areas has grown wetland-adapted crops and there is particular ecosystem which consists of wetland-adapted crops and following animals, amphibia and insects. If we only plant wetland-adapted crops, I think agroecosystem…[Read more]
Kazuto replied to the topic Water Deficits, Irrigation and Agroecosystem Management in the forum Lesson 6: Water 2 years, 5 months ago
By the practices to manage temperature and water, the fluctuation of the temperature at soil surface will less intensive and also the soil surface will contain good moisture. Besides, organic residue put on the soil by mulching will turn to good nutrition for organisms in the soil. These give pleasant environment to organisms in soil.
The climate is typical Mediterranean, so we have rain in winter and long dry spell in summer. The temperature fluctuate in whole year. The temperature is the lowest in January(38 in ave.) and the highest in July(88 in ave.)
We had 15.6 inch. rainfall totally in 2014 and in 44 precipitation days.
We didn’t have snow.
We had 258 sunny days.
To prevent water loss caused by evaporation, I have 2 ideas.
First, we can put straws, gravels or pulled weeds which is before flowering as a mulch and keep the field surface.
Second, we can grow low crops in good shade of taller crops which we grow besides them.
To prevent water loss caused by transpiration, I have 2 ideas.
First, we can use…[Read more]
Kazuto replied to the topic Soil Organic Matter and Ecosystems in the forum Lesson 5: Territory, Biocultural Diversity, and Soil Ecosystems 2 years, 5 months ago
・Rhizobia and diazotrophic bacteria fix nitrogen from the atmosphere into the soil.
・A lot of soil organisms join decomposition and food web among them in the soil and change macro-organic substances into inorganic substances or mineral which are available for plant roots or some micro-organisms as nutrients.
・Through the decomposition, they provi…[Read more]
Kazuto replied to the topic The Carbon Cycle and Decomposition in the forum Lesson 5: Territory, Biocultural Diversity, and Soil Ecosystems 2 years, 5 months ago
Heavy tillage breaks the soil structure a lot and mix a lot of oxygen into the soil. Some aerobic bacteria decompose soil organic matter more actively and intensively with more oxygen so they also decompose many types of organic matters like humus. And then a lot of Carbon Dioxide will be released into the atmosphere from the field.
Kazuto replied to the topic Soil Physical and Chemical Properties in the forum Lesson 5: Territory, Biocultural Diversity, and Soil Ecosystems 2 years, 5 months ago
The soil classification methods that I read in the previous module were based on visual properties and cultivation.
They are not so similar. However, they are related each other indirectly. For example, if iron in the soil is highly oxidized, the soil looks red(visual), or if the soil has a lot of clay, they keep water well and certain kind of…[Read more]
Kazuto replied to the topic Traditional Soil Classification in the forum Lesson 5: Territory, Biocultural Diversity, and Soil Ecosystems 2 years, 5 months ago
Characteristics that Mayan farmers use to classify soils are mainly visual and intimately related to their agricultural activities.
The visual properties include topographic position and color followed by amount of rock fragments, outcrops, and water retention.
And their agricultural activities include the crops they prefer to grow on each class…[Read more]
Kazuto replied to the topic Connecting Cultural and Biological Diversity in the forum Lesson 5: Territory, Biocultural Diversity, and Soil Ecosystems 2 years, 6 months ago
The variety of culture that have been created by humans through they have been trying to take advantage of natural resources as necessary around their places which are diversified and unique and through the nature have effected human livings. Factors are environment: climate, material in the soil, plants and animals etc, social systems: ideas, l…[Read more]
Kazuto replied to the topic Indigenous Land Rights in the forum Lesson 5: Territory, Biocultural Diversity, and Soil Ecosystems 2 years, 6 months ago
Indigenous people of some tribes in northern Cambodia can get many resources for their living from the land, forest or river in their territory which is the base of their living. For example, they can get food, medicine, and some products to sell to earn money. They appreciate the forest and pray to the spirit of land to take care of them and…[Read more]
By applying compost, we can put humus into the soil, which increase CEC and cations like Ca, K and Mg won’t easily flow out. Besides that, a lot of these cations buffer acidification, which cause deficiency of Calcium, Magnesium, And also, if the CEC is large, high concentration of one specific ion less likely occur and that prevents competition…[Read more]
No, it’s not sustainable.
If we apply chemical fertilizers without thinking of restoration of chemical substances such as compost, those substances flow out the soil by harvesting or erosion and shortage will happen again and we have to continue application of chemical fertilizers from outside of field. The available source minerals are limited in…[Read more]
Kazuto replied to the topic Human Nutrition and the Simplification of Modern Diets in the forum Lesson 4: Human Nutrition and Soil Fertility 2 years, 6 months ago
Globalization, industrial agriculture, rural poverty, population pressures and urbanization have changed food production and consumption in ways that profoundly affect ecosystems and human diets, leading to an overall simplification of diets. High input industrial agriculture and long-distance transport increase the availability and affordability…[Read more]
Biodiversified agroecosystem is more resilient, because if there are many kind of crops in the field, they will make plant stories and these reduces soil evaporation and water erosion. And also the roots increase soil water infiltration. Because of these, soil can keep good moisture and that will buffer crops from large fluctuations in…[Read more]
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