Step 4: Plant seeds of nitrogen-fixing trees and shrubs.    From Wordnik.com.  [1. Establishing Contour Lines] Reference

· Influencing the nitrogen-fixing activity of Frankia.    From Wordnik.com.  [3. The Plants] Reference

It benefits from a nitrogen-fixing bacterium called azospirillum.    From Wordnik.com.  [5. Pearl Millet: Subsistence Types] Reference

A few nitrogen-fixing trees do handle the salty non-calcareous soils.    From Wordnik.com.  [6: Soil health and plant nutrition] Reference

It is an efficient nitrogen-fixing, heat - and drought-tolerant legume.    From Wordnik.com.  [1. Household gardening projects in asia: past experience and future directions] Reference

Mycorrhizas and their significance in nodulating nitrogen-fixing plants.    From Wordnik.com.  [Chapter 8] Reference

The growth pattern, nitrogen-fixing ability and ecological requirements of.    From Wordnik.com.  [1. Tree products in agroecosystems: economic and policy issues.] Reference

Plant thickly the nitrogen-fixing trees and shrubs (NFT/S) on the furrows.    From Wordnik.com.  [Chapter 6] Reference

Insect attacks on some introduced nitrogen-fixing trees grown in Sri Lanka.    From Wordnik.com.  [Chapter 10] Reference

Its deep roots help open hardened soils and harbor nitrogen-fixing bacteria.    From Wordnik.com.  [Chapter 9] Reference

This nitrogen-fixing species also grows well in seasonally waterlogged areas.    From Wordnik.com.  [Chapter 8] Reference

· Increasing the diversity of cultivars and species of nitrogen-fixing trees.    From Wordnik.com.  [1. Multistoried Sequential Cropping: The Cavite Model] Reference

Some people recommend katuk for alley cropping systems with nitrogen-fixing trees.    From Wordnik.com.  [2: Vegetables and small fruits in the tropics] Reference

· Incorporating nitrogen-fixing tree species such as Acacia albida into the fields.    From Wordnik.com.  [5. Pearl Millet: Subsistence Types] Reference

Soil constraints to growth of nitrogen-fixing trees in tropical environments, pp. 65-79.    From Wordnik.com.  [Chapter 8] Reference

A companion volume already describes the value of this fast-growing nitrogen-fixing tree.    From Wordnik.com.  [Chapter 11] Reference

Select fast-growing and nitrogen-fixing trees/shrubs that can withstand frequent pruning.    From Wordnik.com.  [Chapter 3] Reference

Survival and herbage yield of six nitrogen-fixing trees intercropped with taro in Western Samoa.    From Wordnik.com.  [Chapter 10] Reference

Both endomycorrhizae and nitrogen-fixing nodules with Frankia have been identified on its roots.    From Wordnik.com.  [8. Recommendations and Research Needs] Reference

Liquid sludge promotes the growth of large quantities of nitrogen-fixing algae wherever it applied.    From Wordnik.com.  [Chapter 12] Reference

To do their work well the nitrogen-fixing germs and the nitrifying germs require certain conditions.    From Wordnik.com.  [The First Book of Farming] Reference

A nitrogen-fixing species from Siberia, it grows almost anywhere, but is best adapted to sandy soils.    From Wordnik.com.  [Chapter 11] Reference

The FACT net is a resource for information on both nitrogen-fixing and non-N-fixing multipurpose trees.    From Wordnik.com.  [4: Multipurpose trees] Reference

Erythrina edulis forms a nitrogen-fixing symbiosis with Rhizobium in the cowpea miscellany (Acero, 1989).    From Wordnik.com.  [Chapter 10] Reference

Additional investigation concerning the nitrogen-fixing ability on native and naturalized populations is required.    From Wordnik.com.  [Chapter 10] Reference

The soil must be well ventilated to supply nitrogen for the nitrogen-fixing germs and oxygen for the nitrifying germs.    From Wordnik.com.  [The First Book of Farming] Reference

This they do not of their own power but through the aid of very minute plants called bacteria or nitrogen-fixing germs.    From Wordnik.com.  [The First Book of Farming] Reference

On a small-scale level, this could potentially be rectified by nitrogen-fixing crops and other locally-procured nutrients.    From Wordnik.com.  [Rebekah and Stephen Hren: Since We've Made Tortillas Expensive, Let's at Least Use Biofuels Wisely] Reference

Does vetiver by any chance benefit from associated nitrogen-fixing bacteria as does Bahia grass and some other tropical grasses?.    From Wordnik.com.  [4 Questions and Answers] Reference

I have often wondered if knots caused by nematodes might not sometimes be confused with galls caused by nitrogen-fixing rhizobia.    From Wordnik.com.  [4: Multipurpose trees] Reference

All microorganisms, including nitrogen-fixing bacteria, build their bodies from the very same elements that plants use for growth.    From Wordnik.com.  [Organic Gardener's Composting] Reference

Most belong to the leguminosae superfamily, many of which are associated with nitrogen-fixing bacteria and various species of ants.    From Wordnik.com.  [Central American dry forests] Reference

"The nitrogen-fixing galls are readily identified because they are easily rubbed off from the roots and are often pink-red inside.".    From Wordnik.com.  [4: Multipurpose trees] Reference

Information on promising fast-growing, nitrogen-fixing trees is also contained in Tropical Legumes: Resources for the Future (1979).    From Wordnik.com.  [Chapter 4] Reference

This increase came from the introduction of the nitrogen-fixing crops, which reduced fallow lands, enclosure, and drainage of wetlands.    From Wordnik.com.  [3. Europe, 1648-1814] Reference

The space of land between the thick rows of nitrogen-fixing trees and shrubs where the crops are to be planted is called a strip or alley.    From Wordnik.com.  [1. Establishing Contour Lines] Reference