Poster plants green_manure_task_147

1. CONCLUSION
❖ In the studied areas several fertilization alternatives were identified: potential plants such as green manure; use of
crop residues; use of manure and animal waste.
❖ These alternatives guarantee the integrated management of soil and the sustainable development of natural
resources.
❖ However, some peasants are unaware of the technique of using green manures and the benefits they can offer in
improving their soils and, consequently, increasing yields.
USE OF PLANTS WITH GREEN FERTILIZER PROPERTIES IN
THE HUAMBO PROVINCE (ANGOLA) AS A SUSTAINABLE
MANAGEMENT OF SOIL FERTILITY
Ginhas Manuel1; Isaú Quissindo2
1 Principal Investigator of Sasscal by Task 147 System management of soil fertility, integrating the rational use of fertilizers in agriculture and
bio fertilizers. Email: ginhasmanuel@hotmail.com; 2 OADC Staff Member / SASSCAL. Email: isau.quissindo@sasscal.org
INTRODUCTION
❖ The ethnobotanical study of plants used as green manure had the participation of traditional
knowledge.
❖ The traditional farmers, in their different crops, perform organic fertilization.
❖ They were identified 14 species with potentials in the improvement and conservation of the soil.
❖ The Fabaceae, have the particularity of promoting the recovery of soils, due to the ability to
capture atmospheric nitrogen and transfer them to agroecosystems.
TASK 147 - System management of
soil fertility, integrating the rational
use of fertilizers in agriculture and
Bio fertilizers on the basis of rhizobia
Bibliography
Manuel, G. A. 2013. System management of soil fertility, integrating the rational use of fertilizers in
agriculture and Bio fertilizers on the basis of rhizobia. SASSCAL Meeting, 2nd & 3nd Seteptember 2013.
Biocenter Klein Flottbek, Hamburg.
Quissindo, I. A. B. 2015. Catálogo das principais espécies arbóreas utlizadas na arborização da Cidade do
Huambo – Angola. Monografia: Departamento de Engenharia Florestal. FCA – UJES: Chianga / Huambo.
Bauhinia purpúrea
(L.) Benth
The symbiotic activity that occurs in the
roots with some bacteria represents
a great environmental advantage.
Bauhinia forficata
Pruinosa (Vogel) Fortunato &
Wunderlin
The roots in decoction function as a vermifuge.
Crotalaria sp
Used as green fertilizer, they optimize the
humus formation process and thus
Increase water retention capacity,
soil moisture and soil cover.
Mucuna pruriens
(L.) DC.
Great agronomic performance, due to the capacity of
green fertilization and biological nitrogen fixation.
Gleditsia triacanthos L.
This legume has the capacity to provide
nitrogen in the soil, thus enriching the same.
Vigna unguiculata
(L.) Walp
Biological fixation of nitrogen, when
associated with specific and efficient rhizobia.
Glycine max
L. Merrill
Root nodules favor the
biological fixation of nitrogen.
Morus sp
Very used as an organic crop,
since it does not need chemical input.
Cajanus cajan
(L.) Millsp.
Ability to fix high amounts of
nitrogen in the soil and decompress soil.
Cassia fistula L.
It grows on poor soils, and enriches them,
through the ability of its roots to fix nitrogen.
Arachis hypogaea L.
Potential species for green fertilization,
soil cover capacity, mineral nutrient
concentration in seeds and presence
of nodules (biological nitrogen fixation).
Bauhinia variegata
(L.) Benth
They provide nitrogen to the soil,
improving the quality of this.
Tithonia diversifolia
(Hemsl.) A. Gray
It favors the absorption of nutrients by
plants and the chemical properties of soils.
Leucaena leucocephla
(Lam.) de Wit
Their nodules formed by nitrogen-fixing
bacteria (Rhizobium) decompose
compounds into organic matter.
Huambo
Angola