01 មករា 1982 This book shows you howto build fertile soil and keep it.Organic Gardening's Soil First aid Manual provides information including: building soil naturally, a program to build fertile soil, gardening in sandy soil, simple ways to soften your soil, rich compost in three weeks, and much more.
20 តុលា 2013 Does a planting basin, like a zai pit, make much of a difference in soil moisture on a sandy soil? Because water leaches through sand rather quickly, you might expect that planting depressions would not have a significant impact on soil moisture. With the soil in ECHO research plots in South...